silvaco仿真BJT

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 e.comp=2  compl=4e-11
tonyplot bjt_0.log
quit