/* * coax.h - coaxial class definition * * Copyright (C) 2001 Gopal Narayanan * Copyright (C) 2005 Stefan Jahn * 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 __COAX_H #define __COAX_H class COAX : public TRANSLINE { public: COAX(); private: double mur; // magnetic permeability of substrate double din; // Inner diameter of cable double dout; // Outer diameter of cable double l; // Length of cable double Z0; // characteristic impedance double ang_l; // Electrical length in angle double atten_dielectric; // Loss in dielectric (dB) double atten_cond; // Loss in conductors (dB) double fc; // Cutoff frequency for higher order modes public: void analyze() override; void synthesize() override; private: void get_coax_sub(); void get_coax_comp(); void get_coax_phys(); void get_coax_elec(); void fixdin(); void fixdout(); double alphad_coax(); double alphac_coax(); void show_results(); }; #endif // __COAX_H