PSPICE DOS

SPICE SPICE SPICE

. . feedback. . , , . , , . , PSPICE. , SPICE DC, transient AC . ,,, , , , (,BJTs,MOSFET,MESFET ..).. , . SPICE, . , , PSpice SPICE MicroSim. PSpice, , Schematics Probe. Schematics GUI (Graphical User Interface) (menu) . PSPICE DOS. , , . , .

SPICE

SPICE (Simulation Program with Integrated Circuit Emphasis= ) California Berkeley Dr Lawrence Nagel. SPICE , CANCER( ). SPICE[1] 1973 FORTRAN . , . SPICE SPICE[2] 1975, FORTRAN, , timestep transient ( Adams - Moulton) Gear ( BDF). SPICE FORTRAN SPICE 2G.3 (SPICE[3]) Thomas Quarles 1989. C, netlist X Window. pole-zero MESFETs MOSFET . SPICE , , , . SPICE ISPICE, . SPICE HSPICE PSPICE 3 .

SPICE

SPICE (source file). ( .cir) (. ,). , . - . . , 0 () , . SPICE . . . . . .PRINT .PLOT . .

S.I. - :T - Terra 1012G - Giga 109M - Mega 106K - Kilo 103M - Milli 10-3U - Micro 10-6N - Nano 10-9P - Pico 10 -12F - Femto 10-15

PSPICE

Common emitter amplifier Vs 1 0 ac 1 A Vc 4 0 dc 12 A C1 2 3 1u I Rs 1 2 3.3k I R1 3 4 120kR2 3 0 18kRC 4 5 4k RE 6 0 0.5kCE 6 0 1u C2 5 7 1u Q1 5 3 6 qtest.model qtest npn(BF=200 VJE=0.75 VJC=0.75 VAF=1e20 CJC=10p) .op ; .ac oct 11 100 10.000meg ; H A .print ac V(7) .Probe ; .End ( )

:

1. SPICE . .CIR2. ( )3. .D4. 5. SPICE , .UT

OP , . , . .

AC . .OP, , SPICE. .AC ) . . . :.AC LIN NP FSTART FSTOP.AC DEC ND FSTART FSTOP.AC OCT NO FSTART FSTOPFSTART: ( 0 )FSTOP:

LIN NP: NP FSTART FSTOPDC ND: ND . OCT NO: NO .

.PRINT .PLOT xxx.out

.AC DEC 20 1 1M

DC . . . I-V . :.DC SRC START STOP INCR

SRC: START: STOP: INCR:

.PRINT .PLOT xxx.out

.DC VIN 0 5 1

TRANSIENT . , , .IC (initial conditions), . . :.TRAN TSTEP TSTOP