Qucs-core
0.0.19
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00001 /* 00002 * vac.cpp - AC voltage source class implementation 00003 * 00004 * Copyright (C) 2003, 2004, 2006, 2007, 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 #if HAVE_CONFIG_H 00026 # include <config.h> 00027 #endif 00028 00029 #include "component.h" 00030 #include "vac.h" 00031 00032 using namespace qucs; 00033 00034 vac::vac () : circuit (2) { 00035 type = CIR_VAC; 00036 setVSource (true); 00037 setVoltageSources (1); 00038 } 00039 00040 void vac::initSP (void) { 00041 allocMatrixS (); 00042 setS (NODE_1, NODE_1, 0.0); 00043 setS (NODE_1, NODE_2, 1.0); 00044 setS (NODE_2, NODE_1, 1.0); 00045 setS (NODE_2, NODE_2, 0.0); 00046 } 00047 00048 void vac::initDC (void) { 00049 allocMatrixMNA (); 00050 voltageSource (VSRC_1, NODE_1, NODE_2); 00051 } 00052 00053 void vac::initAC (void) { 00054 initDC (); 00055 nr_double_t a = getPropertyDouble ("U"); 00056 nr_double_t p = getPropertyDouble ("Phase"); 00057 setE (VSRC_1, qucs::polar (a, deg2rad (p))); 00058 } 00059 00060 void vac::initTR (void) { 00061 initDC (); 00062 } 00063 00064 void vac::calcTR (nr_double_t t) { 00065 nr_double_t f = getPropertyDouble ("f"); 00066 nr_double_t p = getPropertyDouble ("Phase"); 00067 nr_double_t d = getPropertyDouble ("Theta"); 00068 nr_double_t a = getPropertyDouble ("U"); 00069 nr_double_t s = getNet()->getSrcFactor (); 00070 nr_double_t o = 2 * pi * f; 00071 nr_double_t T = p / f / 360; 00072 nr_double_t u = s * a * std::exp (-(t + T) * d * f) * std::sin (o * t + deg2rad (p)); 00073 setE (VSRC_1, u); 00074 } 00075 00076 void vac::initHB (void) { 00077 setVoltageSources (1); 00078 allocMatrixMNA (); 00079 voltageSource (VSRC_1, NODE_1, NODE_2); 00080 } 00081 00082 void vac::calcHB (nr_double_t frequency) { 00083 nr_double_t f = getPropertyDouble ("f"); 00084 if (f == frequency) { 00085 nr_double_t a = getPropertyDouble ("U"); 00086 nr_double_t p = getPropertyDouble ("Phase"); 00087 setE (VSRC_1, qucs::polar (a, deg2rad (p))); 00088 } 00089 else { 00090 setE (VSRC_1, 0); 00091 } 00092 } 00093 00094 // properties 00095 PROP_REQ [] = { 00096 { "U", PROP_REAL, { 1, PROP_NO_STR }, PROP_NO_RANGE }, PROP_NO_PROP }; 00097 PROP_OPT [] = { 00098 { "Phase", PROP_REAL, { 0, PROP_NO_STR }, PROP_RNGII (-360, 360) }, 00099 { "Theta", PROP_REAL, { 0, PROP_NO_STR }, PROP_POS_RANGE }, 00100 { "f", PROP_REAL, { 1e9, PROP_NO_STR }, PROP_POS_RANGE }, 00101 PROP_NO_PROP }; 00102 struct define_t vac::cirdef = 00103 { "Vac", 2, PROP_COMPONENT, PROP_NO_SUBSTRATE, PROP_LINEAR, PROP_DEF };