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