54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/*
|
|
* twistedpair.h - twisted pair class definition
|
|
*
|
|
* Copyright (C) 2011 Michael Margraf <michael.margraf@alumni.tu-berlin.de>
|
|
* Modifications 2011 for Kicad: 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 __TWISTEDPAIR_H
|
|
#define __TWISTEDPAIR_H
|
|
|
|
class TWISTEDPAIR : public TRANSLINE
|
|
{
|
|
public: TWISTEDPAIR();
|
|
|
|
private:
|
|
double din; /* Inner diameter of conductor */
|
|
double dout; /* Outer diameter of insulator */
|
|
double twists; /* Twists per length */
|
|
double er_env; /* dielectric constant of environment*/
|
|
double len; /* Length of cable */
|
|
double Z0; /* characteristic impedance */
|
|
double ang_l; /* Electrical length in angle */
|
|
double er_eff; /* Effective dielectric constant */
|
|
double atten_dielectric; /* Loss in dielectric (dB) */
|
|
double atten_cond; /* Loss in conductors (dB) */
|
|
|
|
public:
|
|
void analyze();
|
|
void synthesize();
|
|
|
|
private:
|
|
void calc();
|
|
void show_results();
|
|
void getProperties();
|
|
};
|
|
|
|
#endif
|