Tugas 5 Analisa Transistor Bipolar Dengan Program pisces

$ Tugas EL-312 (Devais Mikroelektronika)

$ Grid of the structure and doping distribution

mesh rect nx=31 ny=31 smooth=1 diag.flip outf=doping.bip

x.m n=1 l=0.0 r=1.0

x.m n=31 l=300.0 r=1.0

y.m n=1 l=0.0 r=1.0

y.m n=31 l=90.0 r=1.0

$ Electrodes #1 Emitter; #2 Base; #3 Collector

region num=1 iy.l=1 iy.h=31 ix.l=1 ix.h=31 silicon

elec num=1 ix.l=1 ix.h=8 iy.l=1 iy.h=1

elec num=2 ix.l=28 ix.h=31 iy.l=1 iy.h=1

elec num=3 ix.l=1 ix.h=31 iy.l=31 iy.h=31

$ Impurity Profile

doping uniform conc=1.0e15 n.type

doping gauss conc=5.0e18 p.type junc=25.0

doping gauss conc=5.0e19 n.type junc=10.0 x.r=85.0 ratio=0.75

$ Plotting

plot.1d dop x.s=0.0 x.e=300.0 y.s=0.0 y.e=0.0 abs log points pa

plot.1d dop x.s=0.00 x.e=0.0 y.s=0.0 y.e=90.0 abs log points pa

plot.2d grid boundary l.elect=1 l.bound=3 l.junct=6 pa

plot.2d junction boundary l.elect=1 l.bound=3 l.junct=6 no.fill pa

end
Kita dapatkan output plot :

Title File : bipolar.gr1

$ Tugas EL-312 (Devais Mikroelektronika)

$ Solution with 18.0 V applied to collector

mesh inf=doping.bip

mater region=1 taup0=3.5e-7 taun0=1.1e-6

models srh auger conmob fldmob

$ Solve initial condition with zero carriers

symb gummel carr=0

method iccg damped

solve init

solve v3=18 local

$ Then redo with 2 carriers

symb newton carr=2

method xnorm autonr

solve v3=18 outf=bip1

end
Title File : bipolar.gr2

$ Tugas EL-312 (Devais Mikroelektronika)

$ Forward characteristic simulation

mesh inf=doping.bip

mater region=1 taup0=3.5e-7 taun0=1.1e-6

models srh auger conmob fldmob

load inf=bip1

log outf=bip2

symb newton carr=2

method xnorm autonr

solve v3=18 v2=0.1

solve previous v2=0.2 vstep=0.1 nstep=5 electr=2

solve previous v2=0.8 outf=bipsolv1

solve previous v2=0.9 outf=bipsolv2

solve previous v2=1.0 outf=bipsolv3

end
Title File : bipolar.gr3

$ Tugas EL-312 (Devais Mikroelektronika)

$ Frequency analysis

mesh inf=doping.bip

mater region=1 taup0=3.5e-7 taun0=1.1e-6

models srh auger conmob fldmob

load inf=bipsolv1

symb newton carr=2

method xnorm autonr

log acfile=ac.bip

solve ac freq=1 fstep=3 mult.f nfstep=10 vss=0.01

+ max.inner=250 s.omega=0.30 terminal=2

end
Title File : bipolar.if1

$ Tugas EL-312 (Devais Mikroelektronika)

$ Plot Ib vs Frequency

mesh inf=doping.bip

plot.1d inf=ac.bip x.ax=freq x.log x.min=0.0 y.label=Ib y.ax=i2 abs

+ title="Ib thd Frekuensi" pa

end
Output plot :

Title File : bipolar.if2

$ Tugas 5 EL-312 (Devais Mikroelektronika)

$ Plot Ic vs Frequency

mesh inf=doping.bip

plot.1d inf=ac.bip x.ax=freq x.log x.min=0.0 y.label=Ic y.ax=i3 abs

+ title="Ic thd Frekuensi" pa

end

O
utput plot :

Title File : bipolar.iv1

$ Tugas EL-312 (Devais Mikroelektronika)

$ plotting forward characteristic

mesh inf=doping.bip

plot.1d inf=bip2 x.ax=v2 y.ax=i3 x.label=Vbe y.label="Ib & Ic"

+ y.log min.value=-11 x.min=0.4 points

+ title="Ib & Ic thd Vbe"

plot.1d inf=bip2 x.ax=v2 y.ax=i2

+ y.log min.value=-11 x.min=0.4 points unch pa