1BICMOS 3-STAGE AMPLIFIER
2*** IN GRAY & MEYER, 3RD ED. P.266, PROB. 3.12, 8.19
3
4VDD 1 0 5.0V
5VSS 2 0 0.0V
6
7*** VOLTAGE INPUT
8*VIN 13 0 0.0V AC 1V
9*CIN 13 3 1UF
10
11*** CURRENT INPUT
12IIN 3 0 0.0 AC 1.0
13
14M1  4 3 2 2 M_NMOS_1 W=300U L=1U
15M2  7 7 2 2 M_NMOS_1 W=20U  L=1U
16
17Q1  6 5 4   M_NPNS AREA=40
18Q2  5 5 7   M_NPNS AREA=40
19Q3  1 6 8   M_NPNS AREA=40
20
21RL1 1 4     1K
22RL2 1 6     10K
23RB1 1 5     10K
24RL3 8 2     1K
25RF1 3 8     30K
26
27*** NUMERICAL MODEL LIBRARY ***
28.INCLUDE BICMOS.LIB
29
30.AC DEC 10 100KHZ 100GHZ
31.PLOT AC VDB(8)
32
33.OPTIONS ACCT BYPASS=1 KEEPOPINFO
34.END
35