Qucs-core  0.0.19
tunneldiode.h
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00001 /*
00002  * tunneldiode.h - resonance tunnel diode class definitions
00003  *
00004  * Copyright (C) 2011 Michael Margraf <michael.margraf@alumni.tu-berlin.de>
00005  *
00006  * This is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2, or (at your option)
00009  * any later version.
00010  *
00011  * This software is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License
00017  * along with this package; see the file COPYING.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  * $Id$
00022  *
00023  */
00024 
00025 #ifndef __TUNNELDIODE_H__
00026 #define __TUNNELDIODE_H__
00027 
00028 class tunneldiode : public qucs::circuit
00029 {
00030  public:
00031   CREATOR (tunneldiode);
00032   void calcSP (nr_double_t);
00033   void initDC (void);
00034   void calcDC (void);
00035   void saveOperatingPoints (void);
00036   void loadOperatingPoints (void);
00037   void calcOperatingPoints (void);
00038   void initAC (void);
00039   void calcAC (nr_double_t);
00040   void initTR (void);
00041   void calcTR (nr_double_t);
00042 
00043  private:
00044   nr_double_t Ud, gd, Id, Qd;
00045 
00046  private:
00047   qucs::matrix calcMatrixY (nr_double_t);
00048 
00049   void calcId (nr_double_t, nr_double_t&, nr_double_t&);
00050 };
00051 
00052 #endif /* __TUNNELDIODE_H__ */