Qucs-core  0.0.18
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
strafo.cpp
Go to the documentation of this file.
1 /*
2  * strafo.cpp - symmetrical trafo class implementation
3  *
4  * Copyright (C) 2003, 2004, 2005, 2008, 2011 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 #if HAVE_CONFIG_H
26 # include <config.h>
27 #endif
28 
29 #include "component.h"
30 #include "strafo.h"
31 
32 using namespace qucs;
33 
34 strafo::strafo () : circuit (6) {
35  type = CIR_STRAFO;
36 }
37 
38 void strafo::initSP (void) {
39 
40  nr_double_t t1 = getPropertyDouble ("T1");
41  nr_double_t t2 = getPropertyDouble ("T2");
42 
43  nr_double_t d = t1 * t1 + t2 * t2 + 1.0;
44  nr_double_t z1 = t1 * t1 / d;
45  nr_double_t z2 = t2 * t2 / d;
46  nr_double_t z3 = 1.0 / d;
47  nr_double_t z4 = t1 / d;
48  nr_double_t z5 = t2 / d;
49  nr_double_t z6 = t1 * t2 / d;
50 
51  allocMatrixS ();
52 
53  setS (NODE_1, NODE_1, z1); setS (NODE_1, NODE_2, z4);
54  setS (NODE_1, NODE_3, -z4); setS (NODE_1, NODE_4, -z6);
55  setS (NODE_1, NODE_5, z6); setS (NODE_1, NODE_6, 1 - z1);
56  setS (NODE_2, NODE_1, z4); setS (NODE_2, NODE_2, z3);
57  setS (NODE_2, NODE_3, 1 - z3); setS (NODE_2, NODE_4, -z5);
58  setS (NODE_2, NODE_5, z5); setS (NODE_2, NODE_6, -z4);
59  setS (NODE_3, NODE_1, -z4); setS (NODE_3, NODE_2, 1 - z3);
60  setS (NODE_3, NODE_3, z3); setS (NODE_3, NODE_4, z5);
61  setS (NODE_3, NODE_5, -z5); setS (NODE_3, NODE_6, z4);
62  setS (NODE_4, NODE_1, -z6); setS (NODE_4, NODE_2, -z5);
63  setS (NODE_4, NODE_3, z5); setS (NODE_4, NODE_4, z2);
64  setS (NODE_4, NODE_5, 1 - z2); setS (NODE_4, NODE_6, z6);
65  setS (NODE_5, NODE_1, z6); setS (NODE_5, NODE_2, z5);
66  setS (NODE_5, NODE_3, -z5); setS (NODE_5, NODE_4, 1 - z2);
67  setS (NODE_5, NODE_5, z2); setS (NODE_5, NODE_6, -z6);
68  setS (NODE_6, NODE_1, 1 - z1); setS (NODE_6, NODE_2, -z4);
69  setS (NODE_6, NODE_3, z4); setS (NODE_6, NODE_4, z6);
70  setS (NODE_6, NODE_5, -z6); setS (NODE_6, NODE_6, z1);
71 }
72 
73 void strafo::initDC (void) {
75  allocMatrixMNA ();
79 }
80 
81 void strafo::initAC (void) {
82  nr_double_t t1 = getPropertyDouble ("T1");
83  nr_double_t t2 = getPropertyDouble ("T2");
84 
86  allocMatrixMNA ();
87 
88  setB (NODE_1, VSRC_1, -1.0); setB (NODE_2, VSRC_1, + t1);
89  setB (NODE_3, VSRC_1, - t1); setB (NODE_4, VSRC_1, +0.0);
90  setB (NODE_5, VSRC_1, +0.0); setB (NODE_6, VSRC_1, +1.0);
91  setB (NODE_1, VSRC_2, +0.0); setB (NODE_2, VSRC_2, + t2);
92  setB (NODE_3, VSRC_2, - t2); setB (NODE_4, VSRC_2, +1.0);
93  setB (NODE_5, VSRC_2, -1.0); setB (NODE_6, VSRC_2, +0.0);
94 
95  setC (VSRC_1, NODE_1, +1.0); setC (VSRC_1, NODE_2, - t1);
96  setC (VSRC_1, NODE_3, + t1); setC (VSRC_1, NODE_4, +0.0);
97  setC (VSRC_1, NODE_5, +0.0); setC (VSRC_1, NODE_6, -1.0);
98  setC (VSRC_2, NODE_1, +0.0); setC (VSRC_2, NODE_2, - t2);
99  setC (VSRC_2, NODE_3, + t2); setC (VSRC_2, NODE_4, -1.0);
100  setC (VSRC_2, NODE_5, +1.0); setC (VSRC_2, NODE_6, +0.0);
101 
102  setD (VSRC_1, VSRC_1, 0); setD (VSRC_2, VSRC_2, 0);
103  setD (VSRC_1, VSRC_2, 0); setD (VSRC_2, VSRC_1, 0);
104  setE (VSRC_1, 0.0);
105  setE (VSRC_2, 0.0);
106 }
107 
108 void strafo::initTR (void) {
109  initAC ();
110 }
111 
112 // properties
113 PROP_REQ [] = {
114  { "T1", PROP_REAL, { 1, PROP_NO_STR }, PROP_POS_RANGE },
115  { "T2", PROP_REAL, { 1, PROP_NO_STR }, PROP_POS_RANGE },
116  PROP_NO_PROP };
117 PROP_OPT [] = {
118  PROP_NO_PROP };
119 struct define_t strafo::cirdef =
#define PROP_POS_RANGE
Definition: netdefs.h:129
#define NODE_2
Definition: circuit.h:35
#define PROP_DEF
Definition: netdefs.h:189
nr_double_t getPropertyDouble(const char *)
Definition: object.cpp:176
void setD(int, int, nr_complex_t)
Definition: circuit.cpp:373
#define PROP_REAL
Definition: netdefs.h:174
#define PROP_NO_PROP
Definition: netdefs.h:122
void setVoltageSources(int)
Definition: circuit.cpp:607
#define PROP_NO_STR
Definition: netdefs.h:125
void setB(int, int, nr_complex_t)
Definition: circuit.cpp:349
void allocMatrixS(void)
Definition: circuit.cpp:251
#define PROP_LINEAR
Definition: netdefs.h:120
PROP_REQ[]
Definition: strafo.cpp:113
#define NODE_6
Definition: circuit.h:39
#define NODE_4
Definition: circuit.h:37
#define VSRC_1
Definition: circuit.h:40
PROP_OPT[]
Definition: strafo.cpp:117
void initDC(void)
Definition: strafo.cpp:73
#define PROP_COMPONENT
Definition: netdefs.h:116
void initTR(void)
Definition: strafo.cpp:108
void setE(int, nr_complex_t)
Definition: circuit.cpp:385
#define VSRC_3
Definition: circuit.h:42
void initAC(void)
Definition: strafo.cpp:81
#define NODE_3
Definition: circuit.h:36
void initSP(void)
placehoder for S-Parameter initialisation function
Definition: strafo.cpp:38
type
Definition: parse_vcd.y:164
void allocMatrixMNA(void)
Definition: circuit.cpp:267
#define NODE_1
Definition: circuit.h:34
void voltageSource(int, int, int, nr_double_t value=0.0)
Definition: circuit.cpp:748
void setS(int, int, nr_complex_t)
Definition: circuit.cpp:587
void setC(int, int, nr_complex_t)
Definition: circuit.cpp:361
#define VSRC_2
Definition: circuit.h:41
#define NODE_5
Definition: circuit.h:38
#define PROP_NO_SUBSTRATE
Definition: netdefs.h:118