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Electronics Workbench Circuit File Version: 5 Charset: ANSI Description: "+5 Volt Power-Supply with external PNP Pass Transistor ------------------------------------------------------------------

Turnoff transient of pass transistor M1 11 2 3 4 mmod w=20um Cs 1 0 6.0pF Cl 3 0 6.0pF R1 3 6 200k Vin 6 0 dc 0 Vdrn 1 11 dc 0 Vg 2 0 dc 5 pwl 0 5 0.1n 0 1 0 Vb 4 0 dc 0.0 .tran 0.05ns 0.2ns 0.0ns 0

Two-dimensional Junction Field-Effect Transistor (JFET) VDD 1 0 0.5V VGG 2 0 -1.0v AC 1V VSS 3 0 0.0V QJ1 1 2 3 M_NJF AREA=1 .MODEL M_NJF NBJT LEVEL=2 + options jfet defw=10.0um + output dc.debug

TURNOFF TRANSIENT OF PASS TRANSISTOR M1 11 2 3 4 MMOD W=20UM CS 1 0 6.0PF CL 3 0 6.0PF R1 3 6 200K VIN 6 0 DC 0 VDRN 1 11 DC 0 VG 2 0 DC 5 PWL 0 5 0.1N 0 1 0 VB 4 0 DC 0.0 .TRAN 0.05NS 0.2NS 0.0NS 0

.MODEL M_NPN nbjt level=2 + title TWO-DIMENSIONAL NUMERICAL POLYSILICON EMITTER BIPOLAR TRANSISTOR + * Since, we are only simulating half of a device, we double the unit width + * 1.0 um emitter lengt

A Berkeley SPICE3 compatible circuit * * This circuit contains only Berkeley SPICE3 components. * * The circuit is an AC coupled transistor amplifier with * a sinewave input at node "1", a gain of app

A simple XSPICE amplifier circuit * * This uses an XSPICE "gain" code model to substitute for * the transistor amplifier circuit in spice3.deck. * .tran 1e-5 2e-3 * vin 1 0 0.0 ac 1.0 sin(0 1 1k) *

# # $Id: electron.dem,v 1.1.1.1.2.1 1999/10/11 13:25:14 lhecking Exp $ # # Electronics demo # # Bipolar Transistor (NPN) Mutual Characteristic Ie(Vbe)=Ies*exp(Vbe/kT_q) Ic(Vbe)=alpha*Ie(Vbe)+Ico alpha

Turnoff transient of pass transistor M1 11 2 3 4 mmod w=20um Cs 1 0 6.0pF Cl 3 0 6.0pF R1 3 6 200k Vin 6 0 dc 0 Vdrn 1 11 dc 0 Vg 2 0 dc 5 pwl 0 5 0.1n 0 1 0 Vb 4 0 dc 0.0 .tran 0.05ns 0.2ns 0.0ns 0