kicad/pcb_calculator/transline/rectwaveguide.h

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/*
* rectwaveguide.h - rectangular waveguide class definition
*
* Copyright (C) 2001 Gopal Narayanan <gopal@astro.umass.edu>
* Copyright (C) 2005 Stefan Jahn <stefan@lkcc.org>
* 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 __RECTWAVEGUIDE_H
#define __RECTWAVEGUIDE_H
class RECTWAVEGUIDE : public TRANSLINE
{
public: RECTWAVEGUIDE();
private:
double mur; // magnetic permeability of substrate
double tanm; // Magnetic Loss Tangent
double a; // width of waveguide
double b; // height of waveguide
double l; // length of waveguide
double Z0; // characteristic impedance
double Z0EH; // characteristic impedance of field quantities*/
double ang_l; // Electrical length in angle
double er_eff; // Effective dielectric constant
double mur_eff; // Effective mag. permeability
double atten_dielectric; // Loss in dielectric (dB)
double atten_cond; // Loss in conductors (dB)
double fc10; // Cutoff frequency for TE10 mode
public:
void analyze();
void synthesize();
private:
double kval_square();
double kc_square( int, int );
double fc( int, int );
double alphac();
double alphac_cutoff();
double alphad();
void get_rectwaveguide_sub();
void get_rectwaveguide_comp();
void get_rectwaveguide_phys();
void get_rectwaveguide_elec();
void show_results();
};
#endif // __RECTWAVEGUIDE_H