mirror of
https://github.com/ra3xdh/qucs_s
synced 2025-03-28 21:13:26 +00:00
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
|
/*
|
||
|
|
* microstrip.h - microstrip class definition
|
||
|
|
*
|
||
|
|
* Copyright (C) 2001 Gopal Narayanan <gopal@astro.umass.edu>
|
||
|
|
* Copyright (C) 2005 Stefan Jahn <stefan@lkcc.org>
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
|
||
|
|
class microstrip : public transline {
|
||
|
|
public:
|
||
|
|
microstrip();
|
||
|
|
~microstrip();
|
||
|
|
|
||
|
|
friend class c_microstrip;
|
||
|
|
|
||
|
|
private:
|
||
|
|
double er; /* dielectric constant */
|
||
|
|
double h; /* height of substrate */
|
||
|
|
double ht; /* height to the top of box */
|
||
|
|
double t; /* thickness of top metal */
|
||
|
|
double tand; /* Dielectric Loss Tangent */
|
||
|
|
double rough; /* Roughness of top metal */
|
||
|
|
double w; /* width of line */
|
||
|
|
double l; /* length of line */
|
||
|
|
double Z0_0; /* static characteristic impedance */
|
||
|
|
double Z0; /* characteristic impedance */
|
||
|
|
double ang_l; /* Electrical length in angle */
|
||
|
|
double er_eff_0; /* Static effective dielectric constant */
|
||
|
|
double er_eff; /* 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 */
|
||
|
|
|
||
|
|
public:
|
||
|
|
void analyze();
|
||
|
|
int synthesize();
|
||
|
|
|
||
|
|
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 calc();
|
||
|
|
void get_microstrip_sub();
|
||
|
|
void get_microstrip_comp();
|
||
|
|
void get_microstrip_elec();
|
||
|
|
void get_microstrip_phys();
|
||
|
|
void show_results();
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __MICROSTRIP_H */
|