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BICMOS 3-STAGE AMPLIFIER
*** IN GRAY & MEYER, 3RD ED. P.266, PROB. 3.12, 8.19
VDD 1 0 5.0V
VSS 2 0 0.0V
*** VOLTAGE INPUT
*VIN 13 0 0.0V AC 1V
*CIN 13 3 1UF
*** CURRENT INPUT
IIN 3 0 0.0 AC 1.0
M1 4 3 2 2 M_NMOS_1 W=300U L=1U
M2 7 7 2 2 M_NMOS_1 W=20U L=1U
Q1 6 5 4 M_NPNS AREA=40
Q2 5 5 7 M_NPNS AREA=40
Q3 1 6 8 M_NPNS AREA=40
RL1 1 4 1K
RL2 1 6 10K
RB1 1 5 10K
RL3 8 2 1K
RF1 3 8 30K
*** NUMERICAL MODEL LIBRARY ***
.INCLUDE BICMOS.LIB
.AC DEC 10 100KHZ 100GHZ
.PLOT AC VDB(8)
.OPTIONS ACCT BYPASS=1 KEEPOPINFO
.END
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