/*
 * rectwaveguide.h - rectangular waveguide  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 __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 */
