KiCad PCB EDA Suite
C_MICROSTRIP Class Reference

#include <c_microstrip.h>

Inheritance diagram for C_MICROSTRIP:
TRANSLINE

Public Member Functions

 C_MICROSTRIP ()
 
 ~C_MICROSTRIP ()
 
void setProperty (enum PRMS_ID aPrmId, double aValue)
 
double getProperty (enum PRMS_ID aPrmId)
 
void getProperties ()
 @function getProperties More...
 
void checkProperties ()
 @function checkProperties More...
 
void setResult (int, double, const char *)
 
void setResult (int, const char *)
 
bool isSelected (enum PRMS_ID aPrmId)
 
void Init ()
 
virtual void synthesize ()
 
virtual void calc ()
 
void analyze ()
 

Public Attributes

const char * m_Name
 
KIGFX::COLOR4D errCol = KIGFX::COLOR4D( 1, 0.63, 0.63, 1 )
 
KIGFX::COLOR4D warnCol = KIGFX::COLOR4D( 1, 1, 0.57, 1 )
 
KIGFX::COLOR4D okCol = KIGFX::COLOR4D( 1, 1, 1, 1 )
 

Protected Member Functions

bool minimizeZ0Error1D (double *)
 @function minimizeZ0Error1D More...
 
double skin_depth ()
 @function skin_depth calculate skin depth More...
 
void ellipke (double, double &, double &)
 
double ellipk (double)
 
void setErrorLevel (PRMS_ID, char)
 @function setErrorLevel More...
 

Protected Attributes

double m_parameters [EXTRA_PRMS_COUNT]
 
double len
 
double er_eff
 
double ang_l
 

Private Member Functions

double delta_u_thickness_single (double, double)
 
void delta_u_thickness ()
 
void compute_single_line ()
 
double filling_factor_even (double, double, double)
 
double filling_factor_odd (double, double, double)
 filling_factor_odd() - compute the filling factor for the coupled microstrips odd-mode without cover and zero conductor thickness More...
 
double delta_q_cover_even (double)
 
double delta_q_cover_odd (double)
 
void er_eff_static ()
 er_eff_static() - compute the static effective dielectric constants More...
 
double delta_Z0_even_cover (double, double, double)
 delta_Z0_even_cover() - compute the even-mode impedance correction for a homogeneous microstrip due to the cover More...
 
double delta_Z0_odd_cover (double, double, double)
 delta_Z0_odd_cover() - compute the odd-mode impedance correction for a homogeneous microstrip due to the cover More...
 
void Z0_even_odd ()
 Z0_even_odd() - compute the static even- and odd-mode static impedances. More...
 
void er_eff_freq ()
 
void conductor_losses ()
 
void dielectric_losses ()
 
void attenuation ()
 
void line_angle ()
 
void diff_impedance ()
 Note that differential impedance is exactly twice the odd mode impedance. More...
 
void syn_err_fun (double *, double *, double, double, double, double, double)
 
void synth_width ()
 
void Z0_dispersion ()
 
void calcAnalyze () override
 Computation for analysis. More...
 
void calcSynthesize () override
 Computation for synthesis. More...
 
void showAnalyze () override
 Shows synthesis results and checks for errors / warnings. More...
 
void showSynthesize () override
 Shows analysis results and checks for errors / warnings. More...
 
void show_results () override
 Shows results. More...
 
void syn_fun (double *, double *, double, double, double, double)
 

Private Attributes

double h
 
double ht
 
double t
 
double rough
 
double w
 
double w_t_e
 
double w_t_o
 
double l
 
double s
 
double Z0_e_0
 
double Z0_o_0
 
double Zdiff
 
double Z0e
 
double Z0o
 
double c_e
 
double c_o
 
double ang_l_e
 
double ang_l_o
 
double er_eff_e
 
double er_eff_o
 
double er_eff_e_0
 
double er_eff_o_0
 
double w_eff
 
double atten_dielectric_e
 
double atten_cond_e
 
double atten_dielectric_o
 
double atten_cond_o
 
MICROSTRIPaux_ms
 

Detailed Description

Definition at line 31 of file c_microstrip.h.

Constructor & Destructor Documentation

◆ C_MICROSTRIP()

C_MICROSTRIP::C_MICROSTRIP ( )

Definition at line 39 of file c_microstrip.cpp.

39 : TRANSLINE(),
40 h( 0.0 ), // height of substrate
41 ht( 0.0 ), // height to the top of box
42 t( 0.0 ), // thickness of top metal
43 rough( 0.0 ), // Roughness of top metal
44 w( 0.0 ), // width of lines
45 w_t_e( 0.0 ), // even-mode thickness-corrected line width
46 w_t_o( 0.0 ), // odd-mode thickness-corrected line width
47 l( 0.0 ), // length of lines
48 s( 0.0 ), // spacing of lines
49 Z0_e_0( 0.0 ), // static even-mode impedance
50 Z0_o_0( 0.0 ), // static odd-mode impedance
51 Zdiff( 0.0), // differential impedance
52 Z0e( 0.0 ), // even-mode impedance
53 Z0o( 0.0 ), // odd-mode impedance
54 c_e( 0.0 ), // even-mode capacitance
55 c_o( 0.0 ), // odd-mode capacitance
56 ang_l_e( 0.0 ), // even-mode electrical length in angle
57 ang_l_o( 0.0 ), // odd-mode electrical length in angle
58 er_eff_e( 0.0 ), // even-mode effective dielectric constant
59 er_eff_o( 0.0 ), // odd-mode effective dielectric constant
60 er_eff_e_0( 0.0 ), // static even-mode effective dielectric constant
61 er_eff_o_0( 0.0 ), // static odd-mode effective dielectric constant
62 w_eff( 0.0 ), // Effective width of line
63 atten_dielectric_e( 0.0 ), // even-mode dielectric losses (dB)
64 atten_cond_e( 0.0 ), // even-mode conductors losses (dB)
65 atten_dielectric_o( 0.0 ), // odd-mode dielectric losses (dB)
66 atten_cond_o( 0.0 ), // odd-mode conductors losses (dB)
67 aux_ms( nullptr )
68{
69 m_Name = "Coupled_MicroStrip";
70 Init();
71}
double w_t_e
Definition: c_microstrip.h:43
double er_eff_o_0
Definition: c_microstrip.h:59
double ang_l_e
Definition: c_microstrip.h:54
double er_eff_e
Definition: c_microstrip.h:56
double ang_l_o
Definition: c_microstrip.h:55
double rough
Definition: c_microstrip.h:41
double w_eff
Definition: c_microstrip.h:60
MICROSTRIP * aux_ms
Definition: c_microstrip.h:96
double er_eff_o
Definition: c_microstrip.h:57
double atten_cond_o
Definition: c_microstrip.h:64
double atten_dielectric_o
Definition: c_microstrip.h:63
double Zdiff
Definition: c_microstrip.h:49
double atten_cond_e
Definition: c_microstrip.h:62
double Z0_e_0
Definition: c_microstrip.h:47
double w_t_o
Definition: c_microstrip.h:44
double atten_dielectric_e
Definition: c_microstrip.h:61
double Z0_o_0
Definition: c_microstrip.h:48
double er_eff_e_0
Definition: c_microstrip.h:58
void Init()
Definition: transline.cpp:90
const char * m_Name
Definition: transline.h:84

References TRANSLINE::Init(), and TRANSLINE::m_Name.

◆ ~C_MICROSTRIP()

C_MICROSTRIP::~C_MICROSTRIP ( )

Definition at line 74 of file c_microstrip.cpp.

75{
76 delete aux_ms;
77}

References aux_ms.

Member Function Documentation

◆ analyze()

void TRANSLINE::analyze ( )
inherited

Definition at line 211 of file transline.cpp.

212{
215 calcAnalyze();
216 showAnalyze();
217 show_results();
218}
void getProperties()
@function getProperties
Definition: transline.cpp:150
void checkProperties()
@function checkProperties
Definition: transline.cpp:169
virtual void showAnalyze()
Shows synthesis results and checks for errors / warnings.
Definition: transline.h:112
virtual void show_results()
Shows results.
Definition: transline.h:122
virtual void calcAnalyze()
Computation for analysis.
Definition: transline.h:102

References TRANSLINE::calcAnalyze(), TRANSLINE::checkProperties(), TRANSLINE::getProperties(), TRANSLINE::show_results(), and TRANSLINE::showAnalyze().

Referenced by PANEL_TRANSLINE::OnTranslineAnalyse().

◆ attenuation()

void C_MICROSTRIP::attenuation ( )
private

Definition at line 553 of file c_microstrip.cpp.

554{
558}
void conductor_losses()
void dielectric_losses()
double m_parameters[EXTRA_PRMS_COUNT]
Definition: transline.h:131
double skin_depth()
@function skin_depth calculate skin depth
Definition: transline.cpp:237
@ SKIN_DEPTH_PRM
Definition: transline.h:70

References conductor_losses(), dielectric_losses(), TRANSLINE::m_parameters, TRANSLINE::skin_depth(), and SKIN_DEPTH_PRM.

Referenced by calcAnalyze().

◆ calc()

virtual void TRANSLINE::calc ( )
inlinevirtualinherited

Definition at line 97 of file transline.h.

97{}

◆ calcAnalyze()

void C_MICROSTRIP::calcAnalyze ( )
overrideprivatevirtual

Computation for analysis.

Reimplemented from TRANSLINE.

Definition at line 797 of file c_microstrip.cpp.

798{
799 /* compute thickness corrections */
801 /* get effective dielectric constants */
803 /* impedances for even- and odd-mode */
804 Z0_even_odd();
805 /* calculate freq dependence of er_eff_e, er_eff_o */
806 er_eff_freq();
807 /* calculate frequency dependence of Z0e, Z0o */
809 /* calculate losses */
810 attenuation();
811 /* calculate electrical lengths */
812 line_angle();
813 /* calculate diff impedance */
815}
void er_eff_freq()
void Z0_even_odd()
Z0_even_odd() - compute the static even- and odd-mode static impedances.
void Z0_dispersion()
void delta_u_thickness()
void attenuation()
void er_eff_static()
er_eff_static() - compute the static effective dielectric constants
void diff_impedance()
Note that differential impedance is exactly twice the odd mode impedance.

References attenuation(), delta_u_thickness(), diff_impedance(), er_eff_freq(), er_eff_static(), line_angle(), Z0_dispersion(), and Z0_even_odd().

Referenced by calcSynthesize(), and syn_fun().

◆ calcSynthesize()

void C_MICROSTRIP::calcSynthesize ( )
overrideprivatevirtual

Computation for synthesis.

Reimplemented from TRANSLINE.

Definition at line 904 of file c_microstrip.cpp.

905{
906 double Z0_e, Z0_o, ang_l_dest;
907 double f1, f2, ft1, ft2, j11, j12, j21, j22, d_s_h, d_w_h, err;
908 double eps = 1e-04;
909 double w_h, s_h, le, lo;
910
911
912 /* required value of Z0_e and Z0_o */
913 Z0_e = m_parameters[Z0_E_PRM];
914 Z0_o = m_parameters[Z0_O_PRM];
915
916
919 ang_l_dest = m_parameters[ANG_L_PRM];
920
921
922 /* calculate width and use for initial value in Newton's method */
923 synth_width();
926 f1 = f2 = 0;
927
928 /* rather crude Newton-Rhapson */
929 do
930 {
931 /* compute Jacobian */
932 syn_fun( &ft1, &ft2, s_h + eps, w_h, Z0_e, Z0_o );
933 j11 = ( ft1 - f1 ) / eps;
934 j21 = ( ft2 - f2 ) / eps;
935 syn_fun( &ft1, &ft2, s_h, w_h + eps, Z0_e, Z0_o );
936 j12 = ( ft1 - f1 ) / eps;
937 j22 = ( ft2 - f2 ) / eps;
938
939 /* compute next step; increments of s_h and w_h */
940 d_s_h = ( -f1 * j22 + f2 * j12 ) / ( j11 * j22 - j21 * j12 );
941 d_w_h = ( -f2 * j11 + f1 * j21 ) / ( j11 * j22 - j21 * j12 );
942
943 s_h += d_s_h;
944 w_h += d_w_h;
945
946 /* compute the error with the new values of s_h and w_h */
947 syn_fun( &f1, &f2, s_h, w_h, Z0_e, Z0_o );
948 err = sqrt( f1 * f1 + f2 * f2 );
949
950 /* converged ? */
951 } while( err > 1e-04 );
952
953 /* denormalize computed width and spacing */
956
957
958 /* calculate physical length */
959 le = C0 / m_parameters[FREQUENCY_PRM] / sqrt( er_eff_e ) * ang_l_dest / 2.0 / M_PI;
960 lo = C0 / m_parameters[FREQUENCY_PRM] / sqrt( er_eff_o ) * ang_l_dest / 2.0 / M_PI;
961 m_parameters[PHYS_LEN_PRM] = sqrt( le * lo );
962
963 calcAnalyze();
964
965 m_parameters[ANG_L_PRM] = ang_l_dest;
966 m_parameters[Z0_E_PRM] = Z0_e;
967 m_parameters[Z0_O_PRM] = Z0_o;
968}
void calcAnalyze() override
Computation for analysis.
void synth_width()
void syn_fun(double *, double *, double, double, double, double)
@ Z0_O_PRM
Definition: transline.h:54
@ FREQUENCY_PRM
Definition: transline.h:51
@ Z0_E_PRM
Definition: transline.h:53
@ PHYS_LEN_PRM
Definition: transline.h:60
@ ANG_L_PRM
Definition: transline.h:55
@ PHYS_S_PRM
Definition: transline.h:58
@ H_PRM
Definition: transline.h:42
@ PHYS_WIDTH_PRM
Definition: transline.h:56
#define C0
Definition: units.h:61

References ang_l_e, ang_l_o, ANG_L_PRM, C0, calcAnalyze(), er_eff_e, er_eff_o, FREQUENCY_PRM, H_PRM, TRANSLINE::m_parameters, PHYS_LEN_PRM, PHYS_S_PRM, PHYS_WIDTH_PRM, syn_fun(), synth_width(), Z0_E_PRM, and Z0_O_PRM.

◆ checkProperties()

void TRANSLINE::checkProperties ( )
inherited

@function checkProperties

Checks the input parameters (ie: negative length). Does not check for incompatibility between values as this depends on the line shape.

Definition at line 169 of file transline.cpp.

170{
171 // Do not check for values that are results of analyzing / synthesizing
172 // Do not check for transline specific incompatibilities ( like " conductor height should be lesser than dielectric height")
173 if( !std::isfinite( m_parameters[EPSILONR_PRM] ) || m_parameters[EPSILONR_PRM] <= 0 )
175
176 if( !std::isfinite( m_parameters[TAND_PRM] ) || m_parameters[TAND_PRM] < 0 )
178
179 if( !std::isfinite( m_parameters[RHO_PRM] ) || m_parameters[RHO_PRM] < 0 )
181
182 if( !std::isfinite( m_parameters[H_PRM] ) || m_parameters[H_PRM] < 0 )
184
185 if( !std::isfinite( m_parameters[TWISTEDPAIR_TWIST_PRM] )
188
189 if( !std::isfinite( m_parameters[STRIPLINE_A_PRM] ) || m_parameters[STRIPLINE_A_PRM] <= 0 )
191
192 if( !std::isfinite( m_parameters[H_T_PRM] ) || m_parameters[H_T_PRM] <= 0 )
194
195 // How can we check ROUGH_PRM ?
196
197 if( !std::isfinite( m_parameters[MUR_PRM] ) || m_parameters[MUR_PRM] < 0 )
199
200 if( !std::isfinite( m_parameters[TWISTEDPAIR_EPSILONR_ENV_PRM] )
203
204 if( !std::isfinite( m_parameters[MURC_PRM] ) || m_parameters[MURC_PRM] < 0 )
206
207 if( !std::isfinite( m_parameters[FREQUENCY_PRM] ) || m_parameters[FREQUENCY_PRM] <= 0 )
209}
void setErrorLevel(PRMS_ID, char)
@function setErrorLevel
Definition: transline.cpp:435
@ TWISTEDPAIR_EPSILONR_ENV_PRM
Definition: transline.h:49
@ RHO_PRM
Definition: transline.h:41
@ MURC_PRM
Definition: transline.h:50
@ MUR_PRM
Definition: transline.h:48
@ STRIPLINE_A_PRM
Definition: transline.h:45
@ TAND_PRM
Definition: transline.h:40
@ H_T_PRM
Definition: transline.h:44
@ TWISTEDPAIR_TWIST_PRM
Definition: transline.h:43
@ EPSILONR_PRM
Definition: transline.h:39
#define TRANSLINE_WARNING
Definition: transline.h:30

References EPSILONR_PRM, FREQUENCY_PRM, H_PRM, H_T_PRM, TRANSLINE::m_parameters, MUR_PRM, MURC_PRM, RHO_PRM, TRANSLINE::setErrorLevel(), STRIPLINE_A_PRM, TAND_PRM, TRANSLINE_WARNING, TWISTEDPAIR_EPSILONR_ENV_PRM, and TWISTEDPAIR_TWIST_PRM.

Referenced by TRANSLINE::analyze(), and TRANSLINE::synthesize().

◆ compute_single_line()

void C_MICROSTRIP::compute_single_line ( )
private

Definition at line 152 of file c_microstrip.cpp.

153{
154 if( aux_ms == NULL )
155 aux_ms = new MICROSTRIP();
156
157 /* prepare parameters for single microstrip computations */
161 aux_ms->m_parameters[T_PRM] = 0.0;
162
163 //aux_ms->m_parameters[H_T_PRM] = m_parameters[H_T_PRM];
164 aux_ms->m_parameters[H_T_PRM] = 1e12; /* arbitrarily high */
169}
void microstrip_Z0()
Definition: microstrip.cpp:176
void dispersion()
Definition: microstrip.cpp:288
@ T_PRM
Definition: transline.h:46

References aux_ms, MICROSTRIP::dispersion(), EPSILONR_PRM, FREQUENCY_PRM, H_PRM, H_T_PRM, TRANSLINE::m_parameters, MICROSTRIP::microstrip_Z0(), MURC_PRM, PHYS_WIDTH_PRM, and T_PRM.

Referenced by er_eff_static().

◆ conductor_losses()

void C_MICROSTRIP::conductor_losses ( )
private

Definition at line 478 of file c_microstrip.cpp.

479{
480 double e_r_eff_e_0, e_r_eff_o_0, Z0_h_e, Z0_h_o, delta;
481 double K, R_s, Q_c_e, Q_c_o, alpha_c_e, alpha_c_o;
482
483 e_r_eff_e_0 = er_eff_e_0;
484 e_r_eff_o_0 = er_eff_o_0;
485 Z0_h_e = Z0_e_0 * sqrt( e_r_eff_e_0 ); /* homogeneous stripline impedance */
486 Z0_h_o = Z0_o_0 * sqrt( e_r_eff_o_0 ); /* homogeneous stripline impedance */
488
489 if( m_parameters[FREQUENCY_PRM] > 0.0 )
490 {
491 /* current distribution factor (same for the two modes) */
492 K = exp( -1.2 * pow( ( Z0_h_e + Z0_h_o ) / ( 2.0 * ZF0 ), 0.7 ) );
493 /* skin resistance */
494 R_s = 1.0 / ( m_parameters[SIGMA_PRM] * delta );
495 /* correction for surface roughness */
496 R_s *= 1.0
497 + ( ( 2.0 / M_PI )
498 * atan( 1.40 * pow( ( m_parameters[ROUGH_PRM] / delta ), 2.0 ) ) );
499
500 /* even-mode strip inductive quality factor */
501 Q_c_e = ( M_PI * Z0_h_e * m_parameters[PHYS_WIDTH_PRM] * m_parameters[FREQUENCY_PRM] )
502 / ( R_s * C0 * K );
503 /* even-mode losses per unit length */
504 alpha_c_e = ( 20.0 * M_PI / log( 10.0 ) ) * m_parameters[FREQUENCY_PRM]
505 * sqrt( e_r_eff_e_0 ) / ( C0 * Q_c_e );
506
507 /* odd-mode strip inductive quality factor */
508 Q_c_o = ( M_PI * Z0_h_o * m_parameters[PHYS_WIDTH_PRM] * m_parameters[FREQUENCY_PRM] )
509 / ( R_s * C0 * K );
510 /* odd-mode losses per unit length */
511 alpha_c_o = ( 20.0 * M_PI / log( 10.0 ) ) * m_parameters[FREQUENCY_PRM]
512 * sqrt( e_r_eff_o_0 ) / ( C0 * Q_c_o );
513 }
514 else
515 {
516 alpha_c_e = alpha_c_o = 0.0;
517 }
518
521}
constexpr int delta
@ SIGMA_PRM
Definition: transline.h:69
@ ROUGH_PRM
Definition: transline.h:47
#define ZF0
Definition: units.h:62

References atten_cond_e, atten_cond_o, C0, delta, er_eff_e_0, er_eff_o_0, FREQUENCY_PRM, TRANSLINE::m_parameters, PHYS_LEN_PRM, PHYS_WIDTH_PRM, ROUGH_PRM, SIGMA_PRM, SKIN_DEPTH_PRM, Z0_e_0, Z0_o_0, and ZF0.

Referenced by attenuation().

◆ delta_q_cover_even()

double C_MICROSTRIP::delta_q_cover_even ( double  h2h)
private

Definition at line 215 of file c_microstrip.cpp.

216{
217 double q_c;
218
219 if( h2h <= 39 )
220 q_c = tanh( 1.626 + 0.107 * h2h - 1.733 / sqrt( h2h ) );
221 else
222 q_c = 1.0;
223
224 return q_c;
225}

Referenced by er_eff_static().

◆ delta_q_cover_odd()

double C_MICROSTRIP::delta_q_cover_odd ( double  h2h)
private

Definition at line 232 of file c_microstrip.cpp.

233{
234 double q_c;
235
236 if( h2h <= 7 )
237 q_c = tanh( 9.575 / ( 7.0 - h2h ) - 2.965 + 1.68 * h2h - 0.311 * h2h * h2h );
238 else
239 q_c = 1.0;
240
241 return q_c;
242}

Referenced by er_eff_static().

◆ delta_u_thickness()

void C_MICROSTRIP::delta_u_thickness ( )
private

Definition at line 120 of file c_microstrip.cpp.

121{
122 double e_r, u, g, t_h;
123 double delta_u, delta_t, delta_u_e, delta_u_o;
124
126 u = m_parameters[PHYS_WIDTH_PRM] / m_parameters[H_PRM]; /* normalized line width */
127 g = m_parameters[PHYS_S_PRM] / m_parameters[H_PRM]; /* normalized line spacing */
128 t_h = m_parameters[T_PRM] / m_parameters[H_PRM]; /* normalized strip thickness */
129
130 if( t_h > 0.0 )
131 {
132 /* single microstrip correction for finite strip thickness */
133 delta_u = delta_u_thickness_single( u, t_h );
134 delta_t = t_h / ( g * e_r );
135 /* thickness correction for the even- and odd-mode */
136 delta_u_e = delta_u * ( 1.0 - 0.5 * exp( -0.69 * delta_u / delta_t ) );
137 delta_u_o = delta_u_e + delta_t;
138 }
139 else
140 {
141 delta_u_e = delta_u_o = 0.0;
142 }
143
146}
double delta_u_thickness_single(double, double)

References delta_u_thickness_single(), EPSILONR_PRM, H_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, PHYS_WIDTH_PRM, T_PRM, w_t_e, and w_t_o.

Referenced by calcAnalyze().

◆ delta_u_thickness_single()

double C_MICROSTRIP::delta_u_thickness_single ( double  u,
double  t_h 
)
private

Definition at line 88 of file c_microstrip.cpp.

89{
90 double delta_u;
91
92 if( t_h > 0.0 )
93 {
94 delta_u =
95 (1.25 * t_h /
96 M_PI) *
97 ( 1.0 +
98 log( ( 2.0 +
99 (4.0 * M_PI * u -
100 2.0) / ( 1.0 + exp( -100.0 * ( u - 1.0 / (2.0 * M_PI) ) ) ) ) / t_h ) );
101
102 }
103 else
104 {
105 delta_u = 0.0;
106 }
107 return delta_u;
108}

Referenced by delta_u_thickness().

◆ delta_Z0_even_cover()

double C_MICROSTRIP::delta_Z0_even_cover ( double  g,
double  u,
double  h2h 
)
private

delta_Z0_even_cover() - compute the even-mode impedance correction for a homogeneous microstrip due to the cover

References: S. March, "Microstrip Packaging: Watch the Last Step", Microwaves, vol. 20, no. 13, pp. 83.94, Dec. 1981.

Definition at line 307 of file c_microstrip.cpp.

308{
309 double f_e, g_e, delta_Z0_even;
310 double x, y, A, B, C, D, E, F;
311
312 A = -4.351 / pow( 1.0 + h2h, 1.842 );
313 B = 6.639 / pow( 1.0 + h2h, 1.861 );
314 C = -2.291 / pow( 1.0 + h2h, 1.90 );
315 f_e = 1.0 - atanh( A + ( B + C * u ) * u );
316
317 x = pow( 10.0, 0.103 * g - 0.159 );
318 y = pow( 10.0, 0.0492 * g - 0.073 );
319 D = 0.747 / sin( 0.5 * M_PI * x );
320 E = 0.725 * sin( 0.5 * M_PI * y );
321 F = pow( 10.0, 0.11 - 0.0947 * g );
322 g_e = 270.0 * ( 1.0 - tanh( D + E * sqrt( 1.0 + h2h ) - F / ( 1.0 + h2h ) ) );
323
324 delta_Z0_even = f_e * g_e;
325
326 return delta_Z0_even;
327}
#define F(x, y, z)
Definition: md5_hash.cpp:15
double atanh(double x)
Definition: units.h:51

References A, atanh(), B, C, D, E, and F.

Referenced by Z0_even_odd().

◆ delta_Z0_odd_cover()

double C_MICROSTRIP::delta_Z0_odd_cover ( double  g,
double  u,
double  h2h 
)
private

delta_Z0_odd_cover() - compute the odd-mode impedance correction for a homogeneous microstrip due to the cover

References: S. March, "Microstrip Packaging: Watch the Last Step", Microwaves, vol. 20, no. 13, pp. 83.94, Dec. 1981.

Definition at line 337 of file c_microstrip.cpp.

338{
339 double f_o, g_o, delta_Z0_odd;
340 double G, J, K, L;
341
342 J = tanh( pow( 1.0 + h2h, 1.585 ) / 6.0 );
343 f_o = pow( u, J );
344
345 G = 2.178 - 0.796 * g;
346
347 if( g > 0.858 )
348 K = log10( 20.492 * pow( g, 0.174 ) );
349 else
350 K = 1.30;
351
352 if( g > 0.873 )
353 L = 2.51 * pow( g, -0.462 );
354 else
355 L = 2.674;
356
357 g_o = 270.0 * ( 1.0 - tanh( G + K * sqrt( 1.0 + h2h ) - L / ( 1.0 + h2h ) ) );
358
359 delta_Z0_odd = f_o * g_o;
360
361 return delta_Z0_odd;
362}
#define G(x, y, z)
Definition: md5_hash.cpp:16

References G.

Referenced by Z0_even_odd().

◆ dielectric_losses()

void C_MICROSTRIP::dielectric_losses ( )
private

Definition at line 528 of file c_microstrip.cpp.

529{
530 double e_r, e_r_eff_e_0, e_r_eff_o_0;
531 double alpha_d_e, alpha_d_o;
532
534 e_r_eff_e_0 = er_eff_e_0;
535 e_r_eff_o_0 = er_eff_o_0;
536
537 alpha_d_e = ( 20.0 * M_PI / log( 10.0 ) ) * ( m_parameters[FREQUENCY_PRM] / C0 )
538 * ( e_r / sqrt( e_r_eff_e_0 ) ) * ( ( e_r_eff_e_0 - 1.0 ) / ( e_r - 1.0 ) )
540 alpha_d_o = ( 20.0 * M_PI / log( 10.0 ) ) * ( m_parameters[FREQUENCY_PRM] / C0 )
541 * ( e_r / sqrt( e_r_eff_o_0 ) ) * ( ( e_r_eff_o_0 - 1.0 ) / ( e_r - 1.0 ) )
543
546}

References atten_dielectric_e, atten_dielectric_o, C0, EPSILONR_PRM, er_eff_e_0, er_eff_o_0, FREQUENCY_PRM, TRANSLINE::m_parameters, PHYS_LEN_PRM, and TAND_PRM.

Referenced by attenuation().

◆ diff_impedance()

void C_MICROSTRIP::diff_impedance ( )
private

Note that differential impedance is exactly twice the odd mode impedance.

Odd mode is not the same as single-ended impedance, so avoid approximations found on websites that use static single ended impedance as the starting point

Definition at line 591 of file c_microstrip.cpp.

592{
593 Zdiff = 2 * Z0_o_0;
594}

References Z0_o_0, and Zdiff.

Referenced by calcAnalyze().

◆ ellipk()

double TRANSLINE::ellipk ( double  k)
protectedinherited

Definition at line 324 of file transline.cpp.

325{
326 double r, lost;
327
328 ellipke( k, r, lost );
329 return r;
330}
void ellipke(double, double &, double &)
Definition: transline.cpp:259
E_SERIE r
Definition: eserie.cpp:41

References TRANSLINE::ellipke(), and r.

Referenced by COPLANAR::calcAnalyze().

◆ ellipke()

void TRANSLINE::ellipke ( double  arg,
double &  k,
double &  e 
)
protectedinherited

Definition at line 259 of file transline.cpp.

260{
261 int iMax = 16;
262
263 if( arg == 1.0 )
264 {
265 k = INFINITY; // infinite
266 e = 0;
267 }
268 else if( std::isinf( arg ) && arg < 0 )
269 {
270 k = 0;
271 e = INFINITY; // infinite
272 }
273 else
274 {
275 double a, b, c, fr, s, fk = 1, fe = 1, t, da = arg;
276 int i;
277
278 if( arg < 0 )
279 {
280 fk = 1 / sqrt( 1 - arg );
281 fe = sqrt( 1 - arg );
282 da = -arg / ( 1 - arg );
283 }
284
285 a = 1;
286 b = sqrt( 1 - da );
287 c = sqrt( da );
288 fr = 0.5;
289 s = fr * c * c;
290
291 for( i = 0; i < iMax; i++ )
292 {
293 t = ( a + b ) / 2;
294 c = ( a - b ) / 2;
295 b = sqrt( a * b );
296 a = t;
297 fr *= 2;
298 s += fr * c * c;
299
300 if( c / a < NR_EPSI )
301 break;
302 }
303
304 if( i >= iMax )
305 {
306 k = 0;
307 e = 0;
308 }
309 else
310 {
311 k = M_PI_2 / a;
312 e = M_PI_2 * ( 1 - s ) / a;
313 if( arg < 0 )
314 {
315 k *= fk;
316 e *= fe;
317 }
318 }
319 }
320}
#define NR_EPSI
Definition: transline.cpp:253
#define INFINITY
Definition: transline.cpp:35
#define M_PI_2
Definition: transline.cpp:40

References INFINITY, M_PI_2, and NR_EPSI.

Referenced by TRANSLINE::ellipk().

◆ er_eff_freq()

void C_MICROSTRIP::er_eff_freq ( )
private

Definition at line 428 of file c_microstrip.cpp.

429{
430 double P_1, P_2, P_3, P_4, P_5, P_6, P_7;
431 double P_8, P_9, P_10, P_11, P_12, P_13, P_14, P_15;
432 double F_e, F_o;
433 double er_eff, u, g, f_n;
434
435 u = m_parameters[PHYS_WIDTH_PRM] / m_parameters[H_PRM]; /* normalize line width */
436 g = m_parameters[PHYS_S_PRM] / m_parameters[H_PRM]; /* normalize line spacing */
437
438 /* normalized frequency [GHz * mm] */
440
442 P_1 = 0.27488 + ( 0.6315 + 0.525 / pow( 1.0 + 0.0157 * f_n, 20.0 ) ) * u
443 - 0.065683 * exp( -8.7513 * u );
444 P_2 = 0.33622 * ( 1.0 - exp( -0.03442 * m_parameters[EPSILONR_PRM] ) );
445 P_3 = 0.0363 * exp( -4.6 * u ) * ( 1.0 - exp( -pow( f_n / 38.7, 4.97 ) ) );
446 P_4 = 1.0 + 2.751 * ( 1.0 - exp( -pow( m_parameters[EPSILONR_PRM] / 15.916, 8.0 ) ) );
447 P_5 = 0.334 * exp( -3.3 * pow( m_parameters[EPSILONR_PRM] / 15.0, 3.0 ) ) + 0.746;
448 P_6 = P_5 * exp( -pow( f_n / 18.0, 0.368 ) );
449 P_7 = 1.0
450 + 4.069 * P_6 * pow( g, 0.479 ) * exp( -1.347 * pow( g, 0.595 ) - 0.17 * pow( g, 2.5 ) );
451
452 F_e = P_1 * P_2 * pow( ( P_3 * P_4 + 0.1844 * P_7 ) * f_n, 1.5763 );
453 /* even-mode effective dielectric constant */
455
457 P_8 = 0.7168 * ( 1.0 + 1.076 / ( 1.0 + 0.0576 * ( m_parameters[EPSILONR_PRM] - 1.0 ) ) );
458 P_9 = P_8
459 - 0.7913 * ( 1.0 - exp( -pow( f_n / 20.0, 1.424 ) ) )
460 * atan( 2.481 * pow( m_parameters[EPSILONR_PRM] / 8.0, 0.946 ) );
461 P_10 = 0.242 * pow( m_parameters[EPSILONR_PRM] - 1.0, 0.55 );
462 P_11 = 0.6366 * ( exp( -0.3401 * f_n ) - 1.0 ) * atan( 1.263 * pow( u / 3.0, 1.629 ) );
463 P_12 = P_9 + ( 1.0 - P_9 ) / ( 1.0 + 1.183 * pow( u, 1.376 ) );
464 P_13 = 1.695 * P_10 / ( 0.414 + 1.605 * P_10 );
465 P_14 = 0.8928 + 0.1072 * ( 1.0 - exp( -0.42 * pow( f_n / 20.0, 3.215 ) ) );
466 P_15 = fabs( 1.0 - 0.8928 * ( 1.0 + P_11 ) * P_12 * exp( -P_13 * pow( g, 1.092 ) ) / P_14 );
467
468 F_o = P_1 * P_2 * pow( ( P_3 * P_4 + 0.1844 ) * f_n * P_15, 1.5763 );
469 /* odd-mode effective dielectric constant */
471}
double er_eff
Definition: transline.h:133

References EPSILONR_PRM, TRANSLINE::er_eff, er_eff_e, er_eff_e_0, er_eff_o, er_eff_o_0, FREQUENCY_PRM, H_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, and PHYS_WIDTH_PRM.

Referenced by calcAnalyze().

◆ er_eff_static()

void C_MICROSTRIP::er_eff_static ( )
private

er_eff_static() - compute the static effective dielectric constants

References: Manfred Kirschning and Rolf Jansen, "Accurate Wide-Range Design Equations for the Frequency-Dependent Characteristic of Parallel Coupled Microstrip Lines", IEEE Trans. MTT, vol. 32, no. 1, Jan. 1984

Definition at line 253 of file c_microstrip.cpp.

254{
255 double u_t_e, u_t_o, g, h2, h2h;
256 double a_o, t_h, q, q_c, q_t, q_inf;
257 double er_eff_single;
258 double er;
259
261
262 /* compute zero-thickness single line parameters */
264 er_eff_single = aux_ms->er_eff_0;
265
266 h2 = m_parameters[H_T_PRM];
267 u_t_e = w_t_e / m_parameters[H_PRM]; /* normalized even_mode line width */
268 u_t_o = w_t_o / m_parameters[H_PRM]; /* normalized odd_mode line width */
269 g = m_parameters[PHYS_S_PRM] / m_parameters[H_PRM]; /* normalized line spacing */
270 h2h = h2 / m_parameters[H_PRM]; /* normalized cover height */
271 t_h = m_parameters[T_PRM] / m_parameters[H_PRM]; /* normalized strip thickness */
272
273 /* filling factor, computed with thickness corrected width */
274 q_inf = filling_factor_even( u_t_e, g, er );
275 /* cover effect */
276 q_c = delta_q_cover_even( h2h );
277 /* thickness effect */
278 q_t = aux_ms->delta_q_thickness( u_t_e, t_h );
279 /* resultant filling factor */
280 q = ( q_inf - q_t ) * q_c;
281 /* static even-mode effective dielectric constant */
282 er_eff_e_0 = 0.5 * ( er + 1.0 ) + 0.5 * ( er - 1.0 ) * q;
283
284 /* filling factor, with width corrected for thickness */
285 q_inf = filling_factor_odd( u_t_o, g, er );
286 /* cover effect */
287 q_c = delta_q_cover_odd( h2h );
288 /* thickness effect */
289 q_t = aux_ms->delta_q_thickness( u_t_o, t_h );
290 /* resultant filling factor */
291 q = ( q_inf - q_t ) * q_c;
292
293 a_o = 0.7287 * ( er_eff_single - 0.5 * ( er + 1.0 ) ) * ( 1.0 - exp( -0.179 * u_t_o ) );
294
295 /* static odd-mode effective dielectric constant */
296 er_eff_o_0 = ( 0.5 * ( er + 1.0 ) + a_o - er_eff_single ) * q + er_eff_single;
297}
double filling_factor_even(double, double, double)
double delta_q_cover_odd(double)
void compute_single_line()
double filling_factor_odd(double, double, double)
filling_factor_odd() - compute the filling factor for the coupled microstrips odd-mode without cover ...
double delta_q_cover_even(double)
double delta_q_thickness(double, double)
Definition: microstrip.cpp:128
double er_eff_0
Definition: microstrip.h:48

References aux_ms, compute_single_line(), delta_q_cover_even(), delta_q_cover_odd(), MICROSTRIP::delta_q_thickness(), EPSILONR_PRM, MICROSTRIP::er_eff_0, er_eff_e_0, er_eff_o_0, filling_factor_even(), filling_factor_odd(), H_PRM, H_T_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, T_PRM, w_t_e, and w_t_o.

Referenced by calcAnalyze().

◆ filling_factor_even()

double C_MICROSTRIP::filling_factor_even ( double  u,
double  g,
double  e_r 
)
private

Definition at line 176 of file c_microstrip.cpp.

177{
178 double v, v3, v4, a_e, b_e, q_inf;
179
180 v = u * ( 20.0 + g * g ) / ( 10.0 + g * g ) + g * exp( -g );
181 v3 = v * v * v;
182 v4 = v3 * v;
183 a_e = 1.0 + log( ( v4 + v * v / 2704.0 ) / ( v4 + 0.432 ) ) / 49.0
184 + log( 1.0 + v3 / 5929.741 ) / 18.7;
185 b_e = 0.564 * pow( ( ( e_r - 0.9 ) / ( e_r + 3.0 ) ), 0.053 );
186
187 /* filling factor, with width corrected for thickness */
188 q_inf = pow( ( 1.0 + 10.0 / v ), -a_e * b_e );
189
190 return q_inf;
191}

Referenced by er_eff_static().

◆ filling_factor_odd()

double C_MICROSTRIP::filling_factor_odd ( double  u,
double  g,
double  e_r 
)
private

filling_factor_odd() - compute the filling factor for the coupled microstrips odd-mode without cover and zero conductor thickness

Definition at line 198 of file c_microstrip.cpp.

199{
200 double b_odd = 0.747 * e_r / ( 0.15 + e_r );
201 double c_odd = b_odd - ( b_odd - 0.207 ) * exp( -0.414 * u );
202 double d_odd = 0.593 + 0.694 * exp( -0.562 * u );
203
204 /* filling factor, with width corrected for thickness */
205 double q_inf = exp( -c_odd * pow( g, d_odd ) );
206
207 return q_inf;
208}

Referenced by er_eff_static().

◆ getProperties()

void TRANSLINE::getProperties ( )
inherited

@function getProperties

Get all properties from the UI. Computes some extra ones.

Definition at line 150 of file transline.cpp.

151{
152 for( int i = 0; i < DUMMY_PRM; ++i )
153 {
154 m_parameters[i] = getProperty( (PRMS_ID) i );
156 }
157
161}
double getProperty(enum PRMS_ID aPrmId)
Definition: transline.cpp:140
@ EPSILON_EFF_PRM
Definition: transline.h:74
PRMS_ID
Definition: transline.h:37
@ DUMMY_PRM
Definition: transline.h:61
#define TRANSLINE_OK
Definition: transline.h:29

References DUMMY_PRM, EPSILON_EFF_PRM, TRANSLINE::getProperty(), TRANSLINE::m_parameters, RHO_PRM, TRANSLINE::setErrorLevel(), SIGMA_PRM, TRANSLINE::skin_depth(), SKIN_DEPTH_PRM, and TRANSLINE_OK.

Referenced by TRANSLINE::analyze(), and TRANSLINE::synthesize().

◆ getProperty()

double TRANSLINE::getProperty ( enum PRMS_ID  aPrmId)
inherited

◆ Init()

void TRANSLINE::Init ( )
inherited

Definition at line 90 of file transline.cpp.

91{
92 wxColour wxcol = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
93 okCol = KIGFX::COLOR4D( wxcol );
94 okCol.r = wxcol.Red() / 255.0;
95 okCol.g = wxcol.Green() / 255.0;
96 okCol.b = wxcol.Blue() / 255.0;
97 int i;
98 // Initialize these variables mainly to avoid warnings from a static analyzer
99 for( i = 0; i < EXTRA_PRMS_COUNT; ++i )
100 {
101 m_parameters[i] = 0;
102 }
103}
A color representation with 4 components: red, green, blue, alpha.
Definition: color4d.h:104
double r
Red component.
Definition: color4d.h:384
double g
Green component.
Definition: color4d.h:385
double b
Blue component.
Definition: color4d.h:386
KIGFX::COLOR4D okCol
Definition: transline.h:128
@ EXTRA_PRMS_COUNT
Definition: transline.h:75

References KIGFX::COLOR4D::b, EXTRA_PRMS_COUNT, KIGFX::COLOR4D::g, TRANSLINE::m_parameters, TRANSLINE::okCol, and KIGFX::COLOR4D::r.

Referenced by C_MICROSTRIP(), COAX::COAX(), COPLANAR::COPLANAR(), MICROSTRIP::MICROSTRIP(), RECTWAVEGUIDE::RECTWAVEGUIDE(), STRIPLINE::STRIPLINE(), TRANSLINE::TRANSLINE(), and TWISTEDPAIR::TWISTEDPAIR().

◆ isSelected()

bool TRANSLINE::isSelected ( enum PRMS_ID  aPrmId)
inherited

◆ line_angle()

void C_MICROSTRIP::line_angle ( )
private

Definition at line 564 of file c_microstrip.cpp.

565{
566 double e_r_eff_e, e_r_eff_o;
567 double v_e, v_o, lambda_g_e, lambda_g_o;
568
569 e_r_eff_e = er_eff_e;
570 e_r_eff_o = er_eff_o;
571
572 /* even-mode velocity */
573 v_e = C0 / sqrt( e_r_eff_e );
574 /* odd-mode velocity */
575 v_o = C0 / sqrt( e_r_eff_o );
576 /* even-mode wavelength */
577 lambda_g_e = v_e / m_parameters[FREQUENCY_PRM];
578 /* odd-mode wavelength */
579 lambda_g_o = v_o / m_parameters[FREQUENCY_PRM];
580 /* electrical angles */
581 ang_l_e = 2.0 * M_PI * m_parameters[PHYS_LEN_PRM] / lambda_g_e; /* in radians */
582 ang_l_o = 2.0 * M_PI * m_parameters[PHYS_LEN_PRM] / lambda_g_o; /* in radians */
583}

References ang_l_e, ang_l_o, C0, er_eff_e, er_eff_o, FREQUENCY_PRM, TRANSLINE::m_parameters, and PHYS_LEN_PRM.

Referenced by calcAnalyze().

◆ minimizeZ0Error1D()

bool TRANSLINE::minimizeZ0Error1D ( double *  aVar)
protectedinherited

@function minimizeZ0Error1D

Tries to find a parameter that minimizes the error ( on Z0 ). This function only works with a single parameter. Calls calcAnalyze several times until the error is acceptable. While the error is unnacceptable, changes slightly the parameter.

This function does not change Z0 / Angl_L.

Parameters
avarParameter to synthesize
Returns
'true' if error < MAX_ERROR, else 'false'

Definition at line 349 of file transline.cpp.

350{
351 double Z0_dest, Z0_current, Z0_result, angl_l_dest, increment, slope, error;
352 int iteration;
353
354 if( !std::isfinite( m_parameters[Z0_PRM] ) )
355 {
356 *aVar = NAN;
357 return false;
358 }
359
360 if( ( !std::isfinite( *aVar ) ) || ( *aVar == 0 ) )
361 *aVar = 0.001;
362
363 /* required value of Z0 */
364 Z0_dest = m_parameters[Z0_PRM];
365
366 /* required value of angl_l */
367 angl_l_dest = m_parameters[ANG_L_PRM];
368
369 /* Newton's method */
370 iteration = 0;
371
372 /* compute parameters */
373 calcAnalyze();
374 Z0_current = m_parameters[Z0_PRM];
375
376 error = fabs( Z0_dest - Z0_current );
377
378 while( error > MAX_ERROR )
379 {
380 iteration++;
381 increment = *aVar / 100.0;
382 *aVar += increment;
383 /* compute parameters */
384 calcAnalyze();
385 Z0_result = m_parameters[Z0_PRM];
386 /* f(w(n)) = Z0 - Z0(w(n)) */
387 /* f'(w(n)) = -f'(Z0(w(n))) */
388 /* f'(Z0(w(n))) = (Z0(w(n)) - Z0(w(n+delw))/delw */
389 /* w(n+1) = w(n) - f(w(n))/f'(w(n)) */
390 slope = ( Z0_result - Z0_current ) / increment;
391 slope = ( Z0_dest - Z0_current ) / slope - increment;
392 *aVar += slope;
393
394 if( *aVar <= 0.0 )
395 *aVar = increment;
396
397 /* find new error */
398 /* compute parameters */
399 calcAnalyze();
400 Z0_current = m_parameters[Z0_PRM];
401 error = fabs( Z0_dest - Z0_current );
402
403 if( iteration > 100 )
404 break;
405 }
406
407 /* Compute one last time, but with correct length */
408 m_parameters[Z0_PRM] = Z0_dest;
409 m_parameters[ANG_L_PRM] = angl_l_dest;
412 / 2.0 / M_PI; /* in m */
413 calcAnalyze();
414
415 /* Restore parameters */
416 m_parameters[Z0_PRM] = Z0_dest;
417 m_parameters[ANG_L_PRM] = angl_l_dest;
420 / 2.0 / M_PI; /* in m */
421 return error <= MAX_ERROR;
422}
#define MAX_ERROR
Definition: transline.cpp:332
@ Z0_PRM
Definition: transline.h:52

References ANG_L_PRM, C0, TRANSLINE::calcAnalyze(), EPSILON_EFF_PRM, FREQUENCY_PRM, TRANSLINE::m_parameters, MAX_ERROR, PHYS_LEN_PRM, and Z0_PRM.

Referenced by COPLANAR::calcSynthesize(), MICROSTRIP::calcSynthesize(), STRIPLINE::calcSynthesize(), and TWISTEDPAIR::calcSynthesize().

◆ setErrorLevel()

void TRANSLINE::setErrorLevel ( PRMS_ID  aP,
char  aErrorLevel 
)
protectedinherited

@function setErrorLevel

set an error / warning level for a given parameter.

See also
TRANSLINE_OK
TRANSLINE_WARNING
TRANSLINE_ERROR
Parameters
aPparameter
aErrorLevelError level

Definition at line 435 of file transline.cpp.

436{
437 switch( aErrorLevel )
438 {
441 default: SetPropertyBgColorInDialog( aP, &okCol ); break;
442 }
443}
KIGFX::COLOR4D warnCol
Definition: transline.h:127
KIGFX::COLOR4D errCol
Definition: transline.h:126
void SetPropertyBgColorInDialog(enum PRMS_ID aPrmId, const KIGFX::COLOR4D *aCol)
Function SetPropertyBgColorInDialog Set the background color of a parameter.
#define TRANSLINE_ERROR
Definition: transline.h:31

References TRANSLINE::errCol, TRANSLINE::okCol, SetPropertyBgColorInDialog(), TRANSLINE_ERROR, TRANSLINE_WARNING, and TRANSLINE::warnCol.

Referenced by TRANSLINE::checkProperties(), TRANSLINE::getProperties(), showAnalyze(), COAX::showAnalyze(), COPLANAR::showAnalyze(), MICROSTRIP::showAnalyze(), RECTWAVEGUIDE::showAnalyze(), STRIPLINE::showAnalyze(), TWISTEDPAIR::showAnalyze(), showSynthesize(), COAX::showSynthesize(), COPLANAR::showSynthesize(), MICROSTRIP::showSynthesize(), RECTWAVEGUIDE::showSynthesize(), STRIPLINE::showSynthesize(), and TWISTEDPAIR::showSynthesize().

◆ setProperty()

◆ setResult() [1/2]

void TRANSLINE::setResult ( int  line,
const char *  text 
)
inherited

Definition at line 127 of file transline.cpp.

128{
129 SetResultInDialog( line, text );
130}
void SetResultInDialog(int line, const char *text)

References SetResultInDialog(), and text.

◆ setResult() [2/2]

void TRANSLINE::setResult ( int  line,
double  value,
const char *  text 
)
inherited

◆ show_results()

void C_MICROSTRIP::show_results ( )
overrideprivatevirtual

Shows results.

Reimplemented from TRANSLINE.

Definition at line 872 of file c_microstrip.cpp.

873{
874
875 setResult( 0, er_eff_e, "" );
876 setResult( 1, er_eff_o, "" );
877 setResult( 2, atten_cond_e, "dB" );
878 setResult( 3, atten_cond_o, "dB" );
879 setResult( 4, atten_dielectric_e, "dB" );
880 setResult( 5, atten_dielectric_o, "dB" );
881
883 setResult( 7, Zdiff, "Ω" );
884}
void setResult(int, double, const char *)
Definition: transline.cpp:133
#define UNIT_MICRON
Definition: units_scales.h:35

References atten_cond_e, atten_cond_o, atten_dielectric_e, atten_dielectric_o, er_eff_e, er_eff_o, TRANSLINE::m_parameters, TRANSLINE::setResult(), SKIN_DEPTH_PRM, UNIT_MICRON, and Zdiff.

◆ showAnalyze()

void C_MICROSTRIP::showAnalyze ( )
overrideprivatevirtual

Shows synthesis results and checks for errors / warnings.

Reimplemented from TRANSLINE.

Definition at line 818 of file c_microstrip.cpp.

819{
822 setProperty( ANG_L_PRM, sqrt( ang_l_e * ang_l_o ) );
823
824 //Check for errors
825 if( !std::isfinite( m_parameters[Z0_O_PRM] ) || m_parameters[Z0_O_PRM] <= 0.0 )
827
828 if( !std::isfinite( m_parameters[Z0_E_PRM] ) || m_parameters[Z0_E_PRM] <= 0.0 )
830
831 if( !std::isfinite( m_parameters[ANG_L_PRM] ) || m_parameters[ANG_L_PRM] <= 0.0 )
833
834 // Check for warnings
835 if( !std::isfinite( m_parameters[PHYS_WIDTH_PRM] ) || m_parameters[PHYS_WIDTH_PRM] <= 0.0 )
837
838 if( !std::isfinite( m_parameters[PHYS_S_PRM] ) || m_parameters[PHYS_S_PRM] <= 0.0 )
840
841 if( !std::isfinite( m_parameters[PHYS_LEN_PRM] ) || m_parameters[PHYS_LEN_PRM] <= 0.0 )
843}
void setProperty(enum PRMS_ID aPrmId, double aValue)
Definition: transline.cpp:109

References ang_l_e, ang_l_o, ANG_L_PRM, TRANSLINE::m_parameters, PHYS_LEN_PRM, PHYS_S_PRM, PHYS_WIDTH_PRM, TRANSLINE::setErrorLevel(), TRANSLINE::setProperty(), TRANSLINE_ERROR, TRANSLINE_WARNING, Z0_E_PRM, and Z0_O_PRM.

◆ showSynthesize()

void C_MICROSTRIP::showSynthesize ( )
overrideprivatevirtual

Shows analysis results and checks for errors / warnings.

Reimplemented from TRANSLINE.

Definition at line 845 of file c_microstrip.cpp.

846{
850
851 //Check for errors
852 if( !std::isfinite( m_parameters[PHYS_WIDTH_PRM] ) || m_parameters[PHYS_WIDTH_PRM] <= 0.0 )
854
855 if( !std::isfinite( m_parameters[PHYS_S_PRM] ) || m_parameters[PHYS_S_PRM] <= 0.0 )
857
858 if( !std::isfinite( m_parameters[PHYS_LEN_PRM] ) || m_parameters[PHYS_LEN_PRM] <= 0.0 )
860
861 // Check for warnings
862 if( !std::isfinite( m_parameters[Z0_O_PRM] ) || m_parameters[Z0_O_PRM] <= 0.0 )
864
865 if( !std::isfinite( m_parameters[Z0_E_PRM] ) || m_parameters[Z0_E_PRM] <= 0.0 )
867
868 if( !std::isfinite( m_parameters[ANG_L_PRM] ) || m_parameters[ANG_L_PRM] <= 0.0 )
870}

References ANG_L_PRM, TRANSLINE::m_parameters, PHYS_LEN_PRM, PHYS_S_PRM, PHYS_WIDTH_PRM, TRANSLINE::setErrorLevel(), TRANSLINE::setProperty(), TRANSLINE_ERROR, TRANSLINE_WARNING, Z0_E_PRM, and Z0_O_PRM.

◆ skin_depth()

double TRANSLINE::skin_depth ( )
protectedinherited

@function skin_depth calculate skin depth

$ \frac{1}{\sqrt{ \pi \cdot f \cdot \mu \cdot \sigma }} $

Definition at line 237 of file transline.cpp.

238{
239 double depth;
240 depth = 1.0
243 return depth;
244}
#define MU0
Definition: units.h:60

References FREQUENCY_PRM, TRANSLINE::m_parameters, MU0, MURC_PRM, and SIGMA_PRM.

Referenced by attenuation(), MICROSTRIP::attenuation(), COPLANAR::calcAnalyze(), STRIPLINE::calcAnalyze(), and TRANSLINE::getProperties().

◆ syn_err_fun()

void C_MICROSTRIP::syn_err_fun ( double *  f1,
double *  f2,
double  s_h,
double  w_h,
double  e_r,
double  w_h_se,
double  w_h_so 
)
private

Definition at line 597 of file c_microstrip.cpp.

599{
600 double g, he;
601
602 g = cosh( 0.5 * M_PI * s_h );
603 he = cosh( M_PI * w_h + 0.5 * M_PI * s_h );
604
605 *f1 = ( 2.0 / M_PI ) * acosh( ( 2.0 * he - g + 1.0 ) / ( g + 1.0 ) );
606 *f2 = ( 2.0 / M_PI ) * acosh( ( 2.0 * he - g - 1.0 ) / ( g - 1.0 ) );
607
608 if( e_r <= 6.0 )
609 *f2 += ( 4.0 / ( M_PI * ( 1.0 + e_r / 2.0 ) ) ) * acosh( 1.0 + 2.0 * w_h / s_h );
610 else
611 *f2 += ( 1.0 / M_PI ) * acosh( 1.0 + 2.0 * w_h / s_h );
612
613 *f1 -= w_h_se;
614 *f2 -= w_h_so;
615}
double acosh(double x)
Definition: units.h:40

References acosh().

Referenced by synth_width().

◆ syn_fun()

void C_MICROSTRIP::syn_fun ( double *  f1,
double *  f2,
double  s_h,
double  w_h,
double  Z0_e,
double  Z0_o 
)
private

Definition at line 887 of file c_microstrip.cpp.

889{
892
893 /* compute coupled microstrip parameters */
894 calcAnalyze();
895
896 *f1 = m_parameters[Z0_E_PRM] - Z0_e;
897 *f2 = m_parameters[Z0_O_PRM] - Z0_o;
898}

References calcAnalyze(), H_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, PHYS_WIDTH_PRM, Z0_E_PRM, and Z0_O_PRM.

Referenced by calcSynthesize().

◆ synth_width()

void C_MICROSTRIP::synth_width ( )
private

Definition at line 625 of file c_microstrip.cpp.

626{
627 double Z0, e_r;
628 double w_h_se, w_h_so, w_h, a, ce, co, s_h;
629 double f1, f2, ft1, ft2, j11, j12, j21, j22, d_s_h, d_w_h, err;
630 double eps = 1e-04;
631
632 f1 = f2 = 0;
634
635 Z0 = m_parameters[Z0_E_PRM] / 2.0;
636 /* Wheeler formula for single microstrip synthesis */
637 a = exp( Z0 * sqrt( e_r + 1.0 ) / 42.4 ) - 1.0;
638 w_h_se = 8.0 * sqrt( a * ( ( 7.0 + 4.0 / e_r ) / 11.0 ) + ( ( 1.0 + 1.0 / e_r ) / 0.81 ) ) / a;
639
640 Z0 = m_parameters[Z0_O_PRM] / 2.0;
641 /* Wheeler formula for single microstrip synthesis */
642 a = exp( Z0 * sqrt( e_r + 1.0 ) / 42.4 ) - 1.0;
643 w_h_so = 8.0 * sqrt( a * ( ( 7.0 + 4.0 / e_r ) / 11.0 ) + ( ( 1.0 + 1.0 / e_r ) / 0.81 ) ) / a;
644
645 ce = cosh( 0.5 * M_PI * w_h_se );
646 co = cosh( 0.5 * M_PI * w_h_so );
647 /* first guess at m_parameters[PHYS_S_PRM]/h */
648 s_h = ( 2.0 / M_PI ) * acosh( ( ce + co - 2.0 ) / ( co - ce ) );
649 /* first guess at w/h */
650 w_h = acosh( ( ce * co - 1.0 ) / ( co - ce ) ) / M_PI - s_h / 2.0;
651
654
655 syn_err_fun( &f1, &f2, s_h, w_h, e_r, w_h_se, w_h_so );
656
657 /* rather crude Newton-Rhapson; we need this because the estimate of */
658 /* w_h is often quite far from the true value (see Akhtarzad S. et al.) */
659 do
660 {
661 /* compute Jacobian */
662 syn_err_fun( &ft1, &ft2, s_h + eps, w_h, e_r, w_h_se, w_h_so );
663 j11 = ( ft1 - f1 ) / eps;
664 j21 = ( ft2 - f2 ) / eps;
665 syn_err_fun( &ft1, &ft2, s_h, w_h + eps, e_r, w_h_se, w_h_so );
666 j12 = ( ft1 - f1 ) / eps;
667 j22 = ( ft2 - f2 ) / eps;
668
669 /* compute next step */
670 d_s_h = ( -f1 * j22 + f2 * j12 ) / ( j11 * j22 - j21 * j12 );
671 d_w_h = ( -f2 * j11 + f1 * j21 ) / ( j11 * j22 - j21 * j12 );
672
673 //g_print("j11 = %e\tj12 = %e\tj21 = %e\tj22 = %e\n", j11, j12, j21, j22);
674 //g_print("det = %e\n", j11*j22 - j21*j22);
675 //g_print("d_s_h = %e\td_w_h = %e\n", d_s_h, d_w_h);
676
677 s_h += d_s_h;
678 w_h += d_w_h;
679
680 /* check the error */
681 syn_err_fun( &f1, &f2, s_h, w_h, e_r, w_h_se, w_h_so );
682
683 err = sqrt( f1 * f1 + f2 * f2 );
684 /* converged ? */
685 } while( err > 1e-04 );
686
687
690}
void syn_err_fun(double *, double *, double, double, double, double, double)

References acosh(), EPSILONR_PRM, H_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, PHYS_WIDTH_PRM, syn_err_fun(), Z0_E_PRM, and Z0_O_PRM.

Referenced by calcSynthesize().

◆ synthesize()

void TRANSLINE::synthesize ( )
virtualinherited

Definition at line 220 of file transline.cpp.

221{
226 show_results();
227}
virtual void showSynthesize()
Shows analysis results and checks for errors / warnings.
Definition: transline.h:117
virtual void calcSynthesize()
Computation for synthesis.
Definition: transline.h:107

References TRANSLINE::calcSynthesize(), TRANSLINE::checkProperties(), TRANSLINE::getProperties(), TRANSLINE::show_results(), and TRANSLINE::showSynthesize().

Referenced by PANEL_TRANSLINE::OnTranslineSynthetize().

◆ Z0_dispersion()

void C_MICROSTRIP::Z0_dispersion ( )
private

Definition at line 697 of file c_microstrip.cpp.

698{
699 double Q_0;
700 double Q_11, Q_12, Q_13, Q_14, Q_15, Q_16, Q_17, Q_18, Q_19, Q_20, Q_21;
701 double Q_22, Q_23, Q_24, Q_25, Q_26, Q_27, Q_28, Q_29;
702 double r_e, q_e, p_e, d_e, C_e;
703 double e_r_eff_o_f, e_r_eff_o_0;
704 double e_r_eff_single_f, e_r_eff_single_0, Z0_single_f;
705 double f_n, g, u, e_r;
706 double R_1, R_2, R_7, R_10, R_11, R_12, R_15, R_16, tmpf;
707
709
710 u = m_parameters[PHYS_WIDTH_PRM] / m_parameters[H_PRM]; /* normalize line width */
711 g = m_parameters[PHYS_S_PRM] / m_parameters[H_PRM]; /* normalize line spacing */
712
713 /* normalized frequency [GHz * mm] */
715
716 e_r_eff_single_f = aux_ms->er_eff;
717 e_r_eff_single_0 = aux_ms->er_eff_0;
718 Z0_single_f = aux_ms->m_parameters[Z0_PRM];
719
720 e_r_eff_o_f = er_eff_o;
721 e_r_eff_o_0 = er_eff_o_0;
722
723 Q_11 = 0.893 * ( 1.0 - 0.3 / ( 1.0 + 0.7 * ( e_r - 1.0 ) ) );
724 Q_12 = 2.121 * ( pow( f_n / 20.0, 4.91 ) / ( 1.0 + Q_11 * pow( f_n / 20.0, 4.91 ) ) )
725 * exp( -2.87 * g ) * pow( g, 0.902 );
726 Q_13 = 1.0 + 0.038 * pow( e_r / 8.0, 5.1 );
727 Q_14 = 1.0 + 1.203 * pow( e_r / 15.0, 4.0 ) / ( 1.0 + pow( e_r / 15.0, 4.0 ) );
728 Q_15 = 1.887 * exp( -1.5 * pow( g, 0.84 ) ) * pow( g, Q_14 )
729 / ( 1.0
730 + 0.41 * pow( f_n / 15.0, 3.0 ) * pow( u, 2.0 / Q_13 )
731 / ( 0.125 + pow( u, 1.626 / Q_13 ) ) );
732 Q_16 = ( 1.0 + 9.0 / ( 1.0 + 0.403 * pow( e_r - 1.0, 2 ) ) ) * Q_15;
733 Q_17 = 0.394 * ( 1.0 - exp( -1.47 * pow( u / 7.0, 0.672 ) ) )
734 * ( 1.0 - exp( -4.25 * pow( f_n / 20.0, 1.87 ) ) );
735 Q_18 = 0.61 * ( 1.0 - exp( -2.13 * pow( u / 8.0, 1.593 ) ) ) / ( 1.0 + 6.544 * pow( g, 4.17 ) );
736 Q_19 = 0.21 * g * g * g * g
737 / ( ( 1.0 + 0.18 * pow( g, 4.9 ) ) * ( 1.0 + 0.1 * u * u )
738 * ( 1.0 + pow( f_n / 24.0, 3.0 ) ) );
739 Q_20 = ( 0.09 + 1.0 / ( 1.0 + 0.1 * pow( e_r - 1, 2.7 ) ) ) * Q_19;
740 Q_21 = fabs( 1.0
741 - 42.54 * pow( g, 0.133 ) * exp( -0.812 * g ) * pow( u, 2.5 )
742 / ( 1.0 + 0.033 * pow( u, 2.5 ) ) );
743
744 r_e = pow( f_n / 28.843, 12 );
745 q_e = 0.016 + pow( 0.0514 * e_r * Q_21, 4.524 );
746 p_e = 4.766 * exp( -3.228 * pow( u, 0.641 ) );
747 d_e = 5.086 * q_e * ( r_e / ( 0.3838 + 0.386 * q_e ) )
748 * ( exp( -22.2 * pow( u, 1.92 ) ) / ( 1.0 + 1.2992 * r_e ) )
749 * ( pow( e_r - 1.0, 6.0 ) / ( 1.0 + 10 * pow( e_r - 1.0, 6.0 ) ) );
750 C_e = 1.0
751 + 1.275
752 * ( 1.0
753 - exp( -0.004625 * p_e * pow( e_r, 1.674 )
754 * pow( f_n / 18.365, 2.745 ) ) )
755 - Q_12 + Q_16 - Q_17 + Q_18 + Q_20;
756
757
758 R_1 = 0.03891 * pow( e_r, 1.4 );
759 R_2 = 0.267 * pow( u, 7.0 );
760 R_7 = 1.206 - 0.3144 * exp( -R_1 ) * ( 1.0 - exp( -R_2 ) );
761 R_10 = 0.00044 * pow( e_r, 2.136 ) + 0.0184;
762 tmpf = pow( f_n / 19.47, 6.0 );
763 R_11 = tmpf / ( 1.0 + 0.0962 * tmpf );
764 R_12 = 1.0 / ( 1.0 + 0.00245 * u * u );
765 R_15 = 0.707 * R_10 * pow( f_n / 12.3, 1.097 );
766 R_16 = 1.0 + 0.0503 * e_r * e_r * R_11 * ( 1.0 - exp( -pow( u / 15.0, 6.0 ) ) );
767 Q_0 = R_7 * ( 1.0 - 1.1241 * ( R_12 / R_16 ) * exp( -0.026 * pow( f_n, 1.15656 ) - R_15 ) );
768
769 /* even-mode frequency-dependent characteristic impedances */
770 m_parameters[Z0_E_PRM] = Z0_e_0 * pow( 0.9408 * pow( e_r_eff_single_f, C_e ) - 0.9603, Q_0 )
771 / pow( ( 0.9408 - d_e ) * pow( e_r_eff_single_0, C_e ) - 0.9603, Q_0 );
772
773 Q_29 = 15.16 / ( 1.0 + 0.196 * pow( e_r - 1.0, 2.0 ) );
774 tmpf = pow( e_r - 1.0, 3.0 );
775 Q_28 = 0.149 * tmpf / ( 94.5 + 0.038 * tmpf );
776 tmpf = pow( e_r - 1.0, 1.5 );
777 Q_27 = 0.4 * pow( g, 0.84 ) * ( 1.0 + 2.5 * tmpf / ( 5.0 + tmpf ) );
778 tmpf = pow( ( e_r - 1.0 ) / 13.0, 12.0 );
779 Q_26 = 30.0 - 22.2 * ( tmpf / ( 1.0 + 3.0 * tmpf ) ) - Q_29;
780 tmpf = ( e_r - 1.0 ) * ( e_r - 1.0 );
781 Q_25 = ( 0.3 * f_n * f_n / ( 10.0 + f_n * f_n ) ) * ( 1.0 + 2.333 * tmpf / ( 5.0 + tmpf ) );
782 Q_24 = 2.506 * Q_28 * pow( u, 0.894 ) * pow( ( 1.0 + 1.3 * u ) * f_n / 99.25, 4.29 )
783 / ( 3.575 + pow( u, 0.894 ) );
784 Q_23 = 1.0
785 + 0.005 * f_n * Q_27
786 / ( ( 1.0 + 0.812 * pow( f_n / 15.0, 1.9 ) ) * ( 1.0 + 0.025 * u * u ) );
787 Q_22 = 0.925 * pow( f_n / Q_26, 1.536 ) / ( 1.0 + 0.3 * pow( f_n / 30.0, 1.536 ) );
788
789 /* odd-mode frequency-dependent characteristic impedances */
791 Z0_single_f
792 + ( Z0_o_0 * pow( e_r_eff_o_f / e_r_eff_o_0, Q_22 ) - Z0_single_f * Q_23 )
793 / ( 1.0 + Q_24 + pow( 0.46 * g, 2.2 ) * Q_25 );
794}

References aux_ms, EPSILONR_PRM, TRANSLINE::er_eff, MICROSTRIP::er_eff_0, er_eff_o, er_eff_o_0, FREQUENCY_PRM, H_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, PHYS_WIDTH_PRM, Z0_e_0, Z0_E_PRM, Z0_o_0, Z0_O_PRM, and Z0_PRM.

Referenced by calcAnalyze().

◆ Z0_even_odd()

void C_MICROSTRIP::Z0_even_odd ( )
private

Z0_even_odd() - compute the static even- and odd-mode static impedances.

References: Manfred Kirschning and Rolf Jansen, "Accurate Wide-Range Design Equations for the Frequency-Dependent Characteristic of Parallel Coupled Microstrip Lines", IEEE Trans. MTT, vol. 32, no. 1, Jan. 1984

Definition at line 374 of file c_microstrip.cpp.

375{
376 double er_eff, h2, u_t_e, u_t_o, g, h2h;
377 double Q_1, Q_2, Q_3, Q_4, Q_5, Q_6, Q_7, Q_8, Q_9, Q_10;
378 double delta_Z0_e_0, delta_Z0_o_0, Z0_single, er_eff_single;
379
380 h2 = m_parameters[H_T_PRM];
381 u_t_e = w_t_e / m_parameters[H_PRM]; /* normalized even-mode line width */
382 u_t_o = w_t_o / m_parameters[H_PRM]; /* normalized odd-mode line width */
383 g = m_parameters[PHYS_S_PRM] / m_parameters[H_PRM]; /* normalized line spacing */
384 h2h = h2 / m_parameters[H_PRM]; /* normalized cover height */
385
386 Z0_single = aux_ms->Z0_0;
387 er_eff_single = aux_ms->er_eff_0;
388
389 /* even-mode */
391 Q_1 = 0.8695 * pow( u_t_e, 0.194 );
392 Q_2 = 1.0 + 0.7519 * g + 0.189 * pow( g, 2.31 );
393 Q_3 = 0.1975 + pow( ( 16.6 + pow( ( 8.4 / g ), 6.0 ) ), -0.387 )
394 + log( pow( g, 10.0 ) / ( 1.0 + pow( g / 3.4, 10.0 ) ) ) / 241.0;
395 Q_4 = 2.0 * Q_1
396 / ( Q_2 * ( exp( -g ) * pow( u_t_e, Q_3 ) + ( 2.0 - exp( -g ) ) * pow( u_t_e, -Q_3 ) ) );
397 /* static even-mode impedance */
398 Z0_e_0 = Z0_single * sqrt( er_eff_single / er_eff )
399 / ( 1.0 - sqrt( er_eff_single ) * Q_4 * Z0_single / ZF0 );
400 /* correction for cover */
401 delta_Z0_e_0 = delta_Z0_even_cover( g, u_t_e, h2h ) / sqrt( er_eff );
402
403 Z0_e_0 = Z0_e_0 - delta_Z0_e_0;
404
405 /* odd-mode */
407 Q_5 = 1.794 + 1.14 * log( 1.0 + 0.638 / ( g + 0.517 * pow( g, 2.43 ) ) );
408 Q_6 = 0.2305 + log( pow( g, 10.0 ) / ( 1.0 + pow( g / 5.8, 10.0 ) ) ) / 281.3
409 + log( 1.0 + 0.598 * pow( g, 1.154 ) ) / 5.1;
410 Q_7 = ( 10.0 + 190.0 * g * g ) / ( 1.0 + 82.3 * g * g * g );
411 Q_8 = exp( -6.5 - 0.95 * log( g ) - pow( g / 0.15, 5.0 ) );
412 Q_9 = log( Q_7 ) * ( Q_8 + 1.0 / 16.5 );
413 Q_10 = ( Q_2 * Q_4 - Q_5 * exp( log( u_t_o ) * Q_6 * pow( u_t_o, -Q_9 ) ) ) / Q_2;
414
415 /* static odd-mode impedance */
416 Z0_o_0 = Z0_single * sqrt( er_eff_single / er_eff )
417 / ( 1.0 - sqrt( er_eff_single ) * Q_10 * Z0_single / ZF0 );
418 /* correction for cover */
419 delta_Z0_o_0 = delta_Z0_odd_cover( g, u_t_o, h2h ) / sqrt( er_eff );
420
421 Z0_o_0 = Z0_o_0 - delta_Z0_o_0;
422}
double delta_Z0_odd_cover(double, double, double)
delta_Z0_odd_cover() - compute the odd-mode impedance correction for a homogeneous microstrip due to ...
double delta_Z0_even_cover(double, double, double)
delta_Z0_even_cover() - compute the even-mode impedance correction for a homogeneous microstrip due t...
double Z0_0
Definition: microstrip.h:45

References aux_ms, delta_Z0_even_cover(), delta_Z0_odd_cover(), TRANSLINE::er_eff, MICROSTRIP::er_eff_0, er_eff_e_0, er_eff_o_0, H_PRM, H_T_PRM, TRANSLINE::m_parameters, PHYS_S_PRM, w_t_e, w_t_o, MICROSTRIP::Z0_0, Z0_e_0, Z0_o_0, and ZF0.

Referenced by calcAnalyze().

Member Data Documentation

◆ ang_l

double TRANSLINE::ang_l
protectedinherited

Definition at line 134 of file transline.h.

Referenced by TRANSLINE::TRANSLINE().

◆ ang_l_e

double C_MICROSTRIP::ang_l_e
private

Definition at line 54 of file c_microstrip.h.

Referenced by calcSynthesize(), line_angle(), and showAnalyze().

◆ ang_l_o

double C_MICROSTRIP::ang_l_o
private

Definition at line 55 of file c_microstrip.h.

Referenced by calcSynthesize(), line_angle(), and showAnalyze().

◆ atten_cond_e

double C_MICROSTRIP::atten_cond_e
private

Definition at line 62 of file c_microstrip.h.

Referenced by conductor_losses(), and show_results().

◆ atten_cond_o

double C_MICROSTRIP::atten_cond_o
private

Definition at line 64 of file c_microstrip.h.

Referenced by conductor_losses(), and show_results().

◆ atten_dielectric_e

double C_MICROSTRIP::atten_dielectric_e
private

Definition at line 61 of file c_microstrip.h.

Referenced by dielectric_losses(), and show_results().

◆ atten_dielectric_o

double C_MICROSTRIP::atten_dielectric_o
private

Definition at line 63 of file c_microstrip.h.

Referenced by dielectric_losses(), and show_results().

◆ aux_ms

MICROSTRIP* C_MICROSTRIP::aux_ms
private

◆ c_e

double C_MICROSTRIP::c_e
private

Definition at line 52 of file c_microstrip.h.

◆ c_o

double C_MICROSTRIP::c_o
private

Definition at line 53 of file c_microstrip.h.

◆ er_eff

◆ er_eff_e

double C_MICROSTRIP::er_eff_e
private

Definition at line 56 of file c_microstrip.h.

Referenced by calcSynthesize(), er_eff_freq(), line_angle(), and show_results().

◆ er_eff_e_0

double C_MICROSTRIP::er_eff_e_0
private

◆ er_eff_o

double C_MICROSTRIP::er_eff_o
private

Definition at line 57 of file c_microstrip.h.

Referenced by calcSynthesize(), er_eff_freq(), line_angle(), show_results(), and Z0_dispersion().

◆ er_eff_o_0

double C_MICROSTRIP::er_eff_o_0
private

◆ errCol

KIGFX::COLOR4D TRANSLINE::errCol = KIGFX::COLOR4D( 1, 0.63, 0.63, 1 )
inherited

Definition at line 126 of file transline.h.

Referenced by TRANSLINE::setErrorLevel().

◆ h

double C_MICROSTRIP::h
private

Definition at line 38 of file c_microstrip.h.

◆ ht

double C_MICROSTRIP::ht
private

Definition at line 39 of file c_microstrip.h.

◆ l

double C_MICROSTRIP::l
private

Definition at line 45 of file c_microstrip.h.

◆ len

double TRANSLINE::len
protectedinherited

Definition at line 132 of file transline.h.

Referenced by TRANSLINE::TRANSLINE().

◆ m_Name

◆ m_parameters

double TRANSLINE::m_parameters[EXTRA_PRMS_COUNT]
protectedinherited

Definition at line 131 of file transline.h.

Referenced by RECTWAVEGUIDE::alphac(), COAX::alphac_coax(), RECTWAVEGUIDE::alphad(), COAX::alphad_coax(), attenuation(), MICROSTRIP::attenuation(), COAX::calcAnalyze(), COPLANAR::calcAnalyze(), RECTWAVEGUIDE::calcAnalyze(), STRIPLINE::calcAnalyze(), TWISTEDPAIR::calcAnalyze(), calcSynthesize(), COAX::calcSynthesize(), COPLANAR::calcSynthesize(), MICROSTRIP::calcSynthesize(), RECTWAVEGUIDE::calcSynthesize(), STRIPLINE::calcSynthesize(), TWISTEDPAIR::calcSynthesize(), TRANSLINE::checkProperties(), compute_single_line(), conductor_losses(), MICROSTRIP::conductor_losses(), delta_u_thickness(), dielectric_losses(), MICROSTRIP::dielectric_losses(), MICROSTRIP::dispersion(), er_eff_freq(), er_eff_static(), RECTWAVEGUIDE::fc(), RECTWAVEGUIDE::get_rectwaveguide_comp(), RECTWAVEGUIDE::get_rectwaveguide_elec(), RECTWAVEGUIDE::get_rectwaveguide_phys(), RECTWAVEGUIDE::get_rectwaveguide_sub(), TRANSLINE::getProperties(), TRANSLINE::Init(), RECTWAVEGUIDE::kc_square(), RECTWAVEGUIDE::kval_square(), line_angle(), MICROSTRIP::line_angle(), STRIPLINE::lineImpedance(), MICROSTRIP::microstrip_Z0(), TRANSLINE::minimizeZ0Error1D(), MICROSTRIP::mur_eff_ms(), show_results(), COAX::show_results(), COPLANAR::show_results(), MICROSTRIP::show_results(), RECTWAVEGUIDE::show_results(), STRIPLINE::show_results(), TWISTEDPAIR::show_results(), showAnalyze(), COAX::showAnalyze(), COPLANAR::showAnalyze(), MICROSTRIP::showAnalyze(), RECTWAVEGUIDE::showAnalyze(), STRIPLINE::showAnalyze(), TWISTEDPAIR::showAnalyze(), showSynthesize(), COAX::showSynthesize(), COPLANAR::showSynthesize(), MICROSTRIP::showSynthesize(), RECTWAVEGUIDE::showSynthesize(), STRIPLINE::showSynthesize(), TWISTEDPAIR::showSynthesize(), TRANSLINE::skin_depth(), syn_fun(), synth_width(), MICROSTRIP::synth_width(), TRANSLINE::TRANSLINE(), Z0_dispersion(), and Z0_even_odd().

◆ okCol

KIGFX::COLOR4D TRANSLINE::okCol = KIGFX::COLOR4D( 1, 1, 1, 1 )
inherited

Definition at line 128 of file transline.h.

Referenced by TRANSLINE::Init(), and TRANSLINE::setErrorLevel().

◆ rough

double C_MICROSTRIP::rough
private

Definition at line 41 of file c_microstrip.h.

◆ s

double C_MICROSTRIP::s
private

Definition at line 46 of file c_microstrip.h.

◆ t

double C_MICROSTRIP::t
private

Definition at line 40 of file c_microstrip.h.

◆ w

double C_MICROSTRIP::w
private

Definition at line 42 of file c_microstrip.h.

◆ w_eff

double C_MICROSTRIP::w_eff
private

Definition at line 60 of file c_microstrip.h.

◆ w_t_e

double C_MICROSTRIP::w_t_e
private

Definition at line 43 of file c_microstrip.h.

Referenced by delta_u_thickness(), er_eff_static(), and Z0_even_odd().

◆ w_t_o

double C_MICROSTRIP::w_t_o
private

Definition at line 44 of file c_microstrip.h.

Referenced by delta_u_thickness(), er_eff_static(), and Z0_even_odd().

◆ warnCol

KIGFX::COLOR4D TRANSLINE::warnCol = KIGFX::COLOR4D( 1, 1, 0.57, 1 )
inherited

Definition at line 127 of file transline.h.

Referenced by TRANSLINE::setErrorLevel().

◆ Z0_e_0

double C_MICROSTRIP::Z0_e_0
private

Definition at line 47 of file c_microstrip.h.

Referenced by conductor_losses(), Z0_dispersion(), and Z0_even_odd().

◆ Z0_o_0

double C_MICROSTRIP::Z0_o_0
private

Definition at line 48 of file c_microstrip.h.

Referenced by conductor_losses(), diff_impedance(), Z0_dispersion(), and Z0_even_odd().

◆ Z0e

double C_MICROSTRIP::Z0e
private

Definition at line 50 of file c_microstrip.h.

◆ Z0o

double C_MICROSTRIP::Z0o
private

Definition at line 51 of file c_microstrip.h.

◆ Zdiff

double C_MICROSTRIP::Zdiff
private

Definition at line 49 of file c_microstrip.h.

Referenced by diff_impedance(), and show_results().


The documentation for this class was generated from the following files: