Branch data Line data Source code
1 : : /*
2 : : * ccvs.cpp - ccvs class implementation
3 : : *
4 : : * Copyright (C) 2003, 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 : : #if HAVE_CONFIG_H
26 : : # include <config.h>
27 : : #endif
28 : :
29 : : #include "component.h"
30 : : #include "ccvs.h"
31 : :
32 : : using namespace qucs;
33 : :
34 : 9 : ccvs::ccvs () : circuit (4) {
35 : 9 : type = CIR_CCVS;
36 [ + - # # ]: 9 : setVoltageSources (2);
37 : 9 : }
38 : :
39 : 0 : void ccvs::calcSP (nr_double_t frequency) {
40 : :
41 [ # # ]: 0 : nr_double_t g = getPropertyDouble ("G") / z0;
42 [ # # ]: 0 : nr_double_t t = getPropertyDouble ("T");
43 : :
44 [ # # ]: 0 : nr_complex_t z1 = qucs::polar (g / 2.0, M_PI - 2.0 * M_PI * frequency * t);
45 [ # # ]: 0 : nr_complex_t z2 = qucs::polar (g / 2.0, - 2.0 * M_PI * frequency * t);
46 : :
47 [ # # ][ # # ]: 0 : setS (NODE_1, NODE_1, 0.0); setS (NODE_1, NODE_2, 0.0);
48 [ # # ][ # # ]: 0 : setS (NODE_1, NODE_3, 0.0); setS (NODE_1, NODE_4, 1.0);
49 [ # # ][ # # ]: 0 : setS (NODE_2, NODE_1, z2); setS (NODE_2, NODE_2, 0.0);
50 [ # # ][ # # ]: 0 : setS (NODE_2, NODE_3, 1.0); setS (NODE_2, NODE_4, z1);
51 [ # # ][ # # ]: 0 : setS (NODE_3, NODE_1, z1); setS (NODE_3, NODE_2, 1.0);
52 [ # # ][ # # ]: 0 : setS (NODE_3, NODE_3, 0.0); setS (NODE_3, NODE_4, z2);
53 [ # # ][ # # ]: 0 : setS (NODE_4, NODE_1, 1.0); setS (NODE_4, NODE_2, 0.0);
54 [ # # ][ # # ]: 0 : setS (NODE_4, NODE_3, 0.0); setS (NODE_4, NODE_4, 0.0);
55 : 0 : }
56 : :
57 : 120 : void ccvs::initDC (void) {
58 : 120 : allocMatrixMNA ();
59 [ + - ][ + - ]: 120 : setB (NODE_1, VSRC_1, +1.0); setB (NODE_2, VSRC_1, +0.0);
60 [ + - ][ + - ]: 120 : setB (NODE_3, VSRC_1, +0.0); setB (NODE_4, VSRC_1, -1.0);
61 [ + - ][ + - ]: 120 : setB (NODE_1, VSRC_2, +0.0); setB (NODE_2, VSRC_2, -1.0);
62 [ + - ][ + - ]: 120 : setB (NODE_3, VSRC_2, +1.0); setB (NODE_4, VSRC_2, +0.0);
63 [ + - ][ + - ]: 120 : setC (VSRC_1, NODE_1, +0.0); setC (VSRC_1, NODE_2, +1.0);
64 [ + - ][ + - ]: 120 : setC (VSRC_1, NODE_3, -1.0); setC (VSRC_1, NODE_4, +0.0);
65 [ + - ][ + - ]: 120 : setC (VSRC_2, NODE_1, +1.0); setC (VSRC_2, NODE_2, +0.0);
66 [ + - ][ + - ]: 120 : setC (VSRC_2, NODE_3, +0.0); setC (VSRC_2, NODE_4, -1.0);
67 [ + - ]: 120 : setD (VSRC_1, VSRC_1, - getPropertyDouble ("G"));
68 [ + - ]: 120 : setD (VSRC_2, VSRC_2, 0.0);
69 [ + - ][ + - ]: 120 : setD (VSRC_1, VSRC_2, 0.0); setD (VSRC_2, VSRC_1, 0.0);
70 [ + - ]: 120 : setE (VSRC_1, 0.0);
71 [ + - ]: 120 : setE (VSRC_2, 0.0);
72 : 120 : }
73 : :
74 : 30 : void ccvs::initAC (void) {
75 : 30 : initDC ();
76 : 30 : }
77 : :
78 : 2730 : void ccvs::calcAC (nr_double_t frequency) {
79 [ + - ]: 2730 : nr_double_t t = getPropertyDouble ("T");
80 : : nr_complex_t g = qucs::polar (getPropertyDouble ("G"),
81 [ + - ][ + - ]: 2730 : - 2.0 * M_PI * frequency * t);
82 [ + - ]: 2730 : setD (VSRC_1, VSRC_1, -g);
83 : 2730 : }
84 : :
85 : 30 : void ccvs::initTR (void) {
86 : 30 : nr_double_t t = getPropertyDouble ("T");
87 : 30 : initDC ();
88 : 30 : deleteHistory ();
89 [ - + ]: 30 : if (t > 0.0) {
90 : 0 : setHistory (true);
91 : 0 : initHistory (t);
92 [ # # ][ # # ]: 0 : setC (VSRC_2, NODE_1, +0.0); setC (VSRC_2, NODE_2, +1.0);
93 [ # # ][ # # ]: 0 : setC (VSRC_2, NODE_3, -1.0); setC (VSRC_2, NODE_4, +0.0);
94 [ # # ][ # # ]: 0 : setC (VSRC_1, NODE_1, +1.0); setC (VSRC_1, NODE_2, +0.0);
95 [ # # ][ # # ]: 0 : setC (VSRC_1, NODE_3, +0.0); setC (VSRC_1, NODE_4, -1.0);
96 [ # # ]: 0 : setD (VSRC_1, VSRC_1, 0.0);
97 : : }
98 : 30 : }
99 : :
100 : 192192 : void ccvs::calcTR (nr_double_t t) {
101 : 192192 : nr_double_t T = getPropertyDouble ("T");
102 [ - + ]: 192192 : if (T > 0.0) {
103 : 0 : T = t - T;
104 : 0 : nr_double_t g = getPropertyDouble ("G");
105 : 0 : nr_double_t i = getJ (VSRC_1, T);
106 [ # # ]: 0 : setE (VSRC_2, g * i);
107 : : }
108 : 192192 : }
109 : :
110 : : // properties
111 : : PROP_REQ [] = {
112 : : { "G", PROP_REAL, { 1, PROP_NO_STR }, PROP_NO_RANGE }, PROP_NO_PROP };
113 : : PROP_OPT [] = {
114 : : { "T", PROP_REAL, { 0, PROP_NO_STR }, PROP_POS_RANGE }, PROP_NO_PROP };
115 : : struct define_t ccvs::cirdef =
116 : : { "CCVS", 4, PROP_COMPONENT, PROP_NO_SUBSTRATE, PROP_LINEAR, PROP_DEF };
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