Qucs-core
0.0.19
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00001 /* 00002 * bjt.h - bipolar junction transistor class definitions 00003 * 00004 * Copyright (C) 2004, 2005, 2006, 2008 Stefan Jahn <stefan@lkcc.org> 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 __BJT_H__ 00026 #define __BJT_H__ 00027 00028 class bjt : public qucs::circuit 00029 { 00030 public: 00031 CREATOR (bjt); 00032 void calcSP (nr_double_t); 00033 void calcNoiseSP (nr_double_t); 00034 void initSP (void); 00035 void calcDC (void); 00036 void initDC (void); 00037 void restartDC (void); 00038 void saveOperatingPoints (void); 00039 void loadOperatingPoints (void); 00040 void calcOperatingPoints (void); 00041 void initAC (void); 00042 void calcAC (nr_double_t); 00043 void calcNoiseAC (nr_double_t); 00044 void initTR (void); 00045 void calcTR (nr_double_t); 00046 00047 private: 00048 void initModel (void); 00049 void processCbcx (void); 00050 qucs::matrix calcMatrixY (nr_double_t); 00051 qucs::matrix calcMatrixCy (nr_double_t); 00052 void excessPhase (int, nr_double_t&, nr_double_t&); 00053 00054 private: 00055 nr_double_t Ucs, Ubx, Ube, Ubc, Uce, UbePrev, UbcPrev; 00056 qucs::circuit * re; 00057 qucs::circuit * rc; 00058 qucs::circuit * rb; 00059 qucs::circuit * cbcx; 00060 nr_double_t dQbedUbc, dQbdUbe, dQbdUbc, If, Qb, Ir, It; 00061 nr_double_t gbei, gben, gbci, gbcn, gitf, gitr, gif, gir, Rbb, Ibe; 00062 nr_double_t Qbe, Qbci, Qbcx, Qcs; 00063 bool doTR; 00064 }; 00065 00066 #endif /* __BJT_H__ */