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NPN BJT now working

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This commit is contained in:
Couriersud 2014-03-01 16:16:22 +00:00
parent db714497ec
commit 3b82caf8ac
3 changed files with 42 additions and 6 deletions
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1
.gitattributes vendored
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@ -361,6 +361,7 @@ keymaps/km_se_OSX.map svneol=native#text/plain
nl_examples/7400_astable.c svneol=native#text/plain
nl_examples/bjt.c svneol=native#text/plain
nl_examples/bjt_eb.c svneol=native#text/plain
nl_examples/bjt_eb_pnp.c svneol=native#text/plain
nl_examples/msx_mixer_stage.c svneol=native#text/plain
nl_examples/ne555_astable.c svneol=native#text/plain
nl_examples/opamp.c svneol=native#text/plain

33
nl_examples/bjt_eb_pnp.c Normal file
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@ -0,0 +1,33 @@
/*
* bjt.c
*
*/
#include "netlist/devices/net_lib.h"
NETLIST_START(bjt)
/* Standard stuff */
CLOCK(clk, 1000) // 1000 Hz
SOLVER(Solver, 48000)
ANALOG_INPUT(V5, 5)
ANALOG_INPUT(V3, 3.5)
/* PNP - example */
QBJT_EB(Q1, "BC556B")
RES(RB1, 1000)
RES(RC1, 1000)
NET_C(RC1.1, GND)
NET_C(RC1.2, Q1.C)
NET_C(RB1.1, clk)
NET_C(RB1.2, Q1.B)
NET_C(Q1.E, V3)
LOG(logA, clk)
LOG(logB, Q1.B)
LOG(logC, Q1.C)
NETLIST_END()

14
src/emu/netlist/analog/nld_bjt.h
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@ -14,11 +14,11 @@
// ----------------------------------------------------------------------------------------
#define QBJT_SW(_name, _model) \
NET_REGISTER_DEV(QBJT_switch, _name) \
NET_REGISTER_DEV(QBJT_switch, _name) \
NETDEV_PARAMI(_name, model, _model)
#define QBJT_EB(_name, _model) \
NET_REGISTER_DEV(QBJT_EB, _name) \
NET_REGISTER_DEV(QBJT_EB, _name) \
NETDEV_PARAMI(_name, model, _model)
@ -167,8 +167,10 @@ public:
NETLIB_UPDATE_TERMINALS()
{
m_gD_BE.update_diode(-m_D_EB.deltaV());
m_gD_BC.update_diode(-m_D_CB.deltaV());
double polarity = (qtype() == BJT_NPN ? 1.0 : -1.0);
m_gD_BE.update_diode(-m_D_EB.deltaV() * polarity);
m_gD_BC.update_diode(-m_D_CB.deltaV() * polarity);
double gee = m_gD_BE.G();
double gcc = m_gD_BC.G();
@ -176,8 +178,8 @@ public:
double gce = m_alpha_f * gee;
double sIe = -m_gD_BE.I() + m_alpha_r * m_gD_BC.I();
double sIc = m_alpha_f * m_gD_BE.I() - m_gD_BC.I();
double Ie = sIe + gee * m_gD_BE.Vd() - gec * m_gD_BC.Vd();
double Ic = sIc - gce * m_gD_BE.Vd() + gcc * m_gD_BC.Vd();
double Ie = (sIe + gee * m_gD_BE.Vd() - gec * m_gD_BC.Vd()) * polarity;
double Ic = (sIc - gce * m_gD_BE.Vd() + gcc * m_gD_BC.Vd()) * polarity;
//double Ie = sIe + gee * -m_D_EB.deltaV() - gec * -m_D_CB.deltaV();
//double Ic = sIc - gce * -m_D_EB.deltaV() + gcc * -m_D_CB.deltaV();
//printf("EB %f sIe %f sIc %f\n", m_D_BE.deltaV(), sIe, sIc);