mirror of
https://github.com/mamedev/mame.git
synced 2024-11-16 07:48:32 +01:00
54 lines
939 B
C++
54 lines
939 B
C++
// license:GPL-2.0+
|
|
// copyright-holders:Couriersud
|
|
/*
|
|
* nmos_fet.cpp
|
|
*
|
|
*/
|
|
|
|
|
|
#include "netlist/devices/net_lib.h"
|
|
#include "netlist/analog/nld_twoterm.h"
|
|
|
|
NETLIST_START(nmos)
|
|
/* Standard stuff */
|
|
|
|
CLOCK(clk, 100) // 100 Hz
|
|
SOLVER(Solver, 48000)
|
|
PARAM(Solver.ACCURACY, 1e-9)
|
|
PARAM(Solver.NR_LOOPS, 50000)
|
|
PARAM(Solver.DYNAMIC_TS, 1)
|
|
PARAM(Solver.DYNAMIC_MIN_TIMESTEP, 1e-9)
|
|
ANALOG_INPUT(V5, 5)
|
|
ANALOG_INPUT(V3, 3.5)
|
|
|
|
/* NMOS - example */
|
|
|
|
NET_MODEL("MM NMOS(VTO=1.0 KP=2e-3 LAMBDA=2E-2)")
|
|
MOSFET(M, "MM")
|
|
|
|
RES(RB, 1000)
|
|
RES(RC, 10000)
|
|
|
|
NET_C(RC.1, V5)
|
|
NET_C(RC.2, M.D)
|
|
NET_C(RB.1, clk)
|
|
//NET_C(RB.1, V3)
|
|
NET_C(RB.2, M.G)
|
|
NET_C(M.S, GND)
|
|
|
|
// put some load on M.D
|
|
|
|
RES(RCE, 150000)
|
|
NET_C(RCE.1, M.D)
|
|
NET_C(RCE.2, GND)
|
|
|
|
// capacitance over G - S
|
|
|
|
CAP(C, CAP_N(1))
|
|
NET_C(M.D, C.1)
|
|
NET_C(M.S, C.2)
|
|
|
|
LOG(log_G, M.G)
|
|
LOG(log_D, M.D)
|
|
|
|
NETLIST_END()
|