microstrip.h

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/*
 * microstrip.h - microstrip class definition
 *
 * Copyright (C) 2001 Gopal Narayanan <[email protected]>
 * Copyright (C) 2005 Stefan Jahn <[email protected]>
 * Modified 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 __MICROSTRIP_H
#define __MICROSTRIP_H
 
#include "transline/transline.h"
 
class MICROSTRIP : public TRANSLINE
{
public:
 MICROSTRIP();
 
 friend class 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 mur; // magnetic permeability of substrate
 double w; // width of line
 double l; // length of line
 double Z0_0; // static characteristic impedance
 double Z0; // characteristic impedance
 double er_eff_0; // Static effective dielectric constant
 double mur_eff; // Effective mag. permeability
 double w_eff; // Effective width of line
 double atten_dielectric; // Loss in dielectric (dB)
 double atten_cond; // Loss in conductors (dB)
 
 // private params
 double Z0_h_1; // homogeneous stripline impedance
 
private:
 double er_eff_freq();
 double alpha_c();
 double alpha_c_roughness();
 double alpha_dielectric();
 double char_impedance_ht();
 double synth_width();
 double ereff_dispersion();
 double Z0_dispersion();
 double Z0_homogeneous( double );
 double delta_Z0_cover( double, double );
 double filling_factor( double, double );
 double delta_q_cover( double );
 double delta_q_thickness( double, double );
 double e_r_effective( double, double );
 double delta_u_thickness( double, double, double );
 double e_r_dispersion( double, double, double );
 double Z0_dispersion( double, double, double, double, double );
 double conductor_losses();
 double dielectric_losses();
 void microstrip_Z0();
 void dispersion();
 void attenuation();
 void mur_eff_ms();
 void line_angle();
 void show_results() override;
 void showSynthesize() override;
 void showAnalyze() override;
 void calcAnalyze() override;
 void calcSynthesize() override;
};
 
#endif // __MICROSTRIP_H