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       1                 :            : /*
       2                 :            :  * msline.h - microstrip transmission line class definitions
       3                 :            :  *
       4                 :            :  * Copyright (C) 2004, 2005, 2006, 2008 Stefan Jahn <stefan@lkcc.org>
       5                 :            :  *
       6                 :            :  * This is free software; you can redistribute it and/or modify
       7                 :            :  * it under the terms of the GNU General Public License as published by
       8                 :            :  * the Free Software Foundation; either version 2, or (at your option)
       9                 :            :  * any later version.
      10                 :            :  *
      11                 :            :  * This software is distributed in the hope that it will be useful,
      12                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            :  * GNU General Public License for more details.
      15                 :            :  *
      16                 :            :  * You should have received a copy of the GNU General Public License
      17                 :            :  * along with this package; see the file COPYING.  If not, write to
      18                 :            :  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
      19                 :            :  * Boston, MA 02110-1301, USA.
      20                 :            :  *
      21                 :            :  * $Id$
      22                 :            :  *
      23                 :            :  */
      24                 :            : 
      25                 :            : #ifndef __MSLINE_H__
      26                 :            : #define __MSLINE_H__
      27                 :            : 
      28         [ -  + ]:         12 : class msline : public qucs::circuit
      29                 :            : {
      30                 :            :  public:
      31         [ +  - ]:        211 :   CREATOR (msline);
      32                 :            :   void initDC (void);
      33                 :            :   void calcNoiseSP (nr_double_t);
      34                 :            :   void calcSP (nr_double_t);
      35                 :            :   void calcPropagation (nr_double_t);
      36                 :            :   void initAC (void);
      37                 :            :   void calcAC (nr_double_t);
      38                 :            :   void calcNoiseAC (nr_double_t);
      39                 :            :   void saveCharacteristics (nr_double_t);
      40                 :            : 
      41                 :            :   static void analyseQuasiStatic (nr_double_t, nr_double_t, nr_double_t,
      42                 :            :                                   nr_double_t, const char * const,
      43                 :            :                                   nr_double_t&, nr_double_t&, nr_double_t&);
      44                 :            :   static void analyseDispersion (nr_double_t, nr_double_t, nr_double_t,
      45                 :            :                                  nr_double_t, nr_double_t, nr_double_t, const char * const,
      46                 :            :                                  nr_double_t&, nr_double_t&);
      47                 :            :   static void Hammerstad_ab (nr_double_t, nr_double_t,
      48                 :            :                              nr_double_t&, nr_double_t&);
      49                 :            :   static void Hammerstad_er (nr_double_t, nr_double_t, nr_double_t,
      50                 :            :                              nr_double_t, nr_double_t&);
      51                 :            :   static void Hammerstad_zl (nr_double_t, nr_double_t&);
      52                 :            :   static void Getsinger_disp (nr_double_t, nr_double_t, nr_double_t,
      53                 :            :                               nr_double_t, nr_double_t,
      54                 :            :                               nr_double_t&, nr_double_t&);
      55                 :            :   static void Kirschning_er (nr_double_t, nr_double_t, nr_double_t,
      56                 :            :                              nr_double_t, nr_double_t&);
      57                 :            :   static void Kirschning_zl (nr_double_t, nr_double_t, nr_double_t,
      58                 :            :                              nr_double_t, nr_double_t, nr_double_t,
      59                 :            :                              nr_double_t&, nr_double_t&);
      60                 :            :   static void analyseLoss (nr_double_t, nr_double_t, nr_double_t, nr_double_t,
      61                 :            :                            nr_double_t, nr_double_t, nr_double_t, nr_double_t,
      62                 :            :                            nr_double_t, nr_double_t, const char *,
      63                 :            :                            nr_double_t&, nr_double_t&);
      64                 :            : 
      65                 :            :  private:
      66                 :            :   nr_double_t alpha, beta, zl, ereff;
      67                 :            : };
      68                 :            : 
      69                 :            : #endif /* __MSLINE_H__ */