Qucs-core: msline.h Source File

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00001 /*
00002  * msline.h - microstrip transmission line 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 __MSLINE_H__
00026 #define __MSLINE_H__
00027 
00028 class msline : public qucs::circuit
00029 {
00030  public:
00031   CREATOR (msline);
00032   void initDC (void);
00033   void calcNoiseSP (nr_double_t);
00034   void calcSP (nr_double_t);
00035   void calcPropagation (nr_double_t);
00036   void initAC (void);
00037   void calcAC (nr_double_t);
00038   void calcNoiseAC (nr_double_t);
00039   void saveCharacteristics (nr_double_t);
00040 
00041   static void analyseQuasiStatic (nr_double_t, nr_double_t, nr_double_t,
00042                                   nr_double_t, const char * const,
00043                                   nr_double_t&, nr_double_t&, nr_double_t&);
00044   static void analyseDispersion (nr_double_t, nr_double_t, nr_double_t,
00045                                  nr_double_t, nr_double_t, nr_double_t, const char * const,
00046                                  nr_double_t&, nr_double_t&);
00047   static void Hammerstad_ab (nr_double_t, nr_double_t,
00048                              nr_double_t&, nr_double_t&);
00049   static void Hammerstad_er (nr_double_t, nr_double_t, nr_double_t,
00050                              nr_double_t, nr_double_t&);
00051   static void Hammerstad_zl (nr_double_t, nr_double_t&);
00052   static void Getsinger_disp (nr_double_t, nr_double_t, nr_double_t,
00053                               nr_double_t, nr_double_t,
00054                               nr_double_t&, nr_double_t&);
00055   static void Kirschning_er (nr_double_t, nr_double_t, nr_double_t,
00056                              nr_double_t, nr_double_t&);
00057   static void Kirschning_zl (nr_double_t, nr_double_t, nr_double_t,
00058                              nr_double_t, nr_double_t, nr_double_t,
00059                              nr_double_t&, nr_double_t&);
00060   static void analyseLoss (nr_double_t, nr_double_t, nr_double_t, nr_double_t,
00061                            nr_double_t, nr_double_t, nr_double_t, nr_double_t,
00062                            nr_double_t, nr_double_t, const char *,
00063                            nr_double_t&, nr_double_t&);
00064 
00065  private:
00066   nr_double_t alpha, beta, zl, ereff;
00067 };
00068 
00069 #endif /* __MSLINE_H__ */