c_microstrip.h

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/*
 * c_microstrip.h - coupled microstrip class definition
 *
 * Copyright (C) 2002 Claudio Girardi <[email protected]>
 * Copyright (C) 2005 Stefan Jahn <[email protected]>
 * Modifications for Kicad: 2015 Jean-Pierre Charras
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this package; see the file COPYING. If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
 
 
#ifndef _C_MICROSTRIP_H_
#define _C_MICROSTRIP_H_
 
#include "transline/microstrip.h"
#include "transline/transline.h"
 
class C_MICROSTRIP : public TRANSLINE
{
public:
 C_MICROSTRIP();
 ~C_MICROSTRIP();
 
private:
 double h; // height of substrate
 double ht; // height to the top of box
 double t; // thickness of top metal
 double rough; // Roughness of top metal
 double w; // width of lines
 double w_t_e; // even-mode thickness-corrected line width
 double w_t_o; // odd-mode thickness-corrected line width
 double l; // length of lines
 double s; // spacing of lines
 double Z0_e_0; // static even-mode impedance
 double Z0_o_0; // static odd-mode impedance
 double Zdiff; // differential impedance
 double Z0e; // even-mode impedance
 double Z0o; // odd-mode impedance
 double c_e; // even-mode capacitance
 double c_o; // odd-mode capacitance
 double ang_l_e; // even-mode electrical length in angle
 double ang_l_o; // odd-mode electrical length in angle
 double er_eff_e; // even-mode effective dielectric constant
 double er_eff_o; // odd-mode effective dielectric constant
 double er_eff_e_0; // static even-mode effective dielectric constant
 double er_eff_o_0; // static odd-mode effective dielectric constant
 double w_eff; // Effective width of line
 double atten_dielectric_e; // even-mode dielectric losses (dB)
 double atten_cond_e; // even-mode conductors losses (dB)
 double atten_dielectric_o; // odd-mode dielectric losses (dB)
 double atten_cond_o; // odd-mode conductors losses (dB)
 
private:
 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 );
 double delta_q_cover_even( double );
 double delta_q_cover_odd( double );
 void er_eff_static();
 double delta_Z0_even_cover( double, double, double );
 double delta_Z0_odd_cover( double, double, double );
 void Z0_even_odd();
 void er_eff_freq();
 void conductor_losses();
 void dielectric_losses();
 void attenuation();
 void line_angle();
 void diff_impedance();
 void syn_err_fun( double*, double*, double, double, double, double, double );
 void synth_width();
 void Z0_dispersion();
 void calcAnalyze() override;
 void calcSynthesize() override;
 void showAnalyze() override;
 void showSynthesize() override;
 void show_results() override;
 void syn_fun( double*, double*, double, double, double, double );
 
 
private:
 MICROSTRIP* aux_ms;
};
 
#endif // _C_MICROSTRIP_H_