100 lines
3.9 KiB
C++
100 lines
3.9 KiB
C++
/*
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* c_microstrip.h - coupled microstrip class definition
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*
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* Copyright (C) 2002 Claudio Girardi <in3otd@qsl.net>
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* Copyright (C) 2005 Stefan Jahn <stefan@lkcc.org>
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* Modifications for Kicad: 2015 Jean-Pierre Charras
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this package; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _C_MICROSTRIP_H_
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#define _C_MICROSTRIP_H_
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class C_MICROSTRIP : public TRANSLINE
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{
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public: C_MICROSTRIP();
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~C_MICROSTRIP();
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private:
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double h; // height of substrate
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double ht; // height to the top of box
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double t; // thickness of top metal
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double rough; // Roughness of top metal
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double w; // width of lines
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double w_t_e; // even-mode thickness-corrected line width
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double w_t_o; // odd-mode thickness-corrected line width
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double l; // length of lines
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double s; // spacing of lines
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double Z0_e_0; // static even-mode impedance
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double Z0_o_0; // static odd-mode impedance
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double Z0e; // even-mode impedance
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double Z0o; // odd-mode impedance
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double c_e; // even-mode capacitance
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double c_o; // odd-mode capacitance
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double ang_l_e; // even-mode electrical length in angle
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double ang_l_o; // odd-mode electrical length in angle
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double er_eff_e; // even-mode effective dielectric constant
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double er_eff_o; // odd-mode effective dielectric constant
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double er_eff_e_0; // static even-mode effective dielectric constant
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double er_eff_o_0; // static odd-mode effective dielectric constant
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double er_eff; // FIXME: dummy
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double w_eff; // Effective width of line
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double atten_dielectric_e; // even-mode dielectric losses (dB)
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double atten_cond_e; // even-mode conductors losses (dB)
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double atten_dielectric_o; // odd-mode dielectric losses (dB)
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double atten_cond_o; // odd-mode conductors losses (dB)
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public:
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void analyze();
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void synthesize();
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private:
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double delta_u_thickness_single( double, double );
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void delta_u_thickness();
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void compute_single_line();
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double filling_factor_even( double, double, double );
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double filling_factor_odd( double, double, double );
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double delta_q_cover_even( double );
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double delta_q_cover_odd( double );
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void er_eff_static();
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double delta_Z0_even_cover( double, double, double );
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double delta_Z0_odd_cover( double, double, double );
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void Z0_even_odd();
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void er_eff_freq();
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void conductor_losses();
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void dielectric_losses();
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void attenuation();
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void line_angle();
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void syn_err_fun( double*, double*, double, double, double, double, double );
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void synth_width();
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void Z0_dispersion();
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void calc();
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void get_c_microstrip_sub();
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void get_c_microstrip_comp();
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void get_c_microstrip_elec();
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void get_c_microstrip_phys();
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void show_results();
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void syn_fun( double*, double*, double, double, double, double );
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private:
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MICROSTRIP* aux_ms;
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};
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#endif // _C_MICROSTRIP_H_
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