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BJT结构仿真
go atlas
mesh
x.mesh loc=0.00 spac=0.2
x.mesh loc=4.00 spac=0.2
y.mesh loc=0.00 spac=0.02
y.mesh loc=0.50 spac=0.40
y.mesh loc=1.00 spac=0.04
y.mesh loc=2.00 spac=0.4
y.mesh loc=13.00 spac=0.4
y.mesh loc=14.00 spac=0.1
y.mesh loc=15.00 spac=0.4
eliminate columns x.min=0 x.max=4 y.min=2 y.max=13
eliminate columns x.min=0 x.max=4 y.min=2 y.max=13
region number=1 x.min=0 x.max=4 y.min=0 y.max=1.0 silicon
region number=2 x.min=0 x.max=4 y.min=1 y.max=15.0 silicon
electrode name=emitter x.min=0 y.min=0 length=1
electrode name=base x.min=3 y.min=0 length=1
electrode name=collector bottom
doping region=1 uniform p.type conc=1e17
doping region=2 uniform n.type conc=5e15
doping x.min=0 x.max=2 gauss n.type conc=5e19 peak=0.00 junct=0.05
doping x.min=0 x.max=4 gauss n.type conc=5e19 peak=15.00 junct=14
save outf=bjt.str
tonyplot bjt.str
正向导通
model bipolar print
method newton autonr trap
solve init
solve vbase=0.1 vstep=0.1 vfinal=0.7 name=base
contact name=base current
#
solve ibase=1e-6
save outf=bjt_ib_1.str master
solve ibase=2e-6
save outf=bjt_ib_2.str master
solve ibase=3e-6
save outf=bjt_ib_3.str master
solve ibase=4e-6
save outf=bjt_ib_4.str master
solve ibase=5e-6
save outf=bjt_ib_5.str master
#
load inf=bjt_ib_1.str master
log outf=bjt_ib_1.log
solve vcollector=0.0 vstep=0.25 vfinal=5.0 name=collector
load inf=bjt_ib_2.str master
log outf=bjt_ib_2.log
solve vcollector=0.0 vstep=0.25 vfinal=5.0 name=collector
load inf=bjt_ib_3.str master
log outf=bjt_ib_3.log
solve vcollector=0.0 vstep=0.25 vfinal=5.0 name=collector
load inf=bjt_ib_4.str master
log outf=bjt_ib_4.log
solve vcollector=0.0 vstep=0.25 vfinal=5.0 name=collector
load inf=bjt_ib_5.str master
log outf=bjt_ib_5.log
solve vcollector=0.0 vstep=0.25 vfinal=5.0 name=collector
tonyplot -overlay bjt_ib_1.log bjt_ib_2.log bjt_ib_3.log bjt_ib_4.log bjt_ib_5.log
quit
正向阻断
model bipolar print
impact selb
method newton autonr trap
contact name=emitter common=base
solve init
solve vcollector=0.01
solve vcollector=0.05
log outf=bjt_0.log
solve vcollector=0.1 vstep=0.1 vfinal=1.0 name=collector
solve vstep=2 vfinal=80.0 name=collector
solve vstep=0.1 vfinal=90.0 name=collector ep=2 compl=4e-11
tonyplot bjt_0.log
quit
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