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ECE342 HW8 Solution
1.
.LIB 'models15 . txt' MOS
M1 OUT IN VDD VDD pmos L=1.5u W=10u
M2 OUT IN 0 0 nmos L=1.5u W=5u
CL OUT 0 1p
VVDD VDD 0 5
VIN IN 0 0 PULSE 0 5 2n 1n 1n 5n 20n
.DC VIN 0 5 0.01
.PRINT DC V( IN) V(OUT)
.TRAN 100p 15n
.PRINT TRAN V( IN) V(OUT)
.OPTIONS LIST NODE POST
.END
2.
(a) The Hspice script is as follows.
*OP and AC analysis
.lib 'models15.txt' MOS
VVDD VDD 0 DC 2.5
VVSS VSS 0 DC -2.5
RD VDD VD 3k
RSIG VSIG VX 500k
RG VG 0 1MEG
RL VO 0 200k
CC1 VX VG 10u
CC2 VD VO 10u
CS VS 0 1u
IBIAS VS VSS 1m
M1 VD VG VS VS nmos W=15u L=1.5u
VVSIG VSIG 0 AC 1
.AC DEC 5 100 100MEG
.OPTIONS LIST NODE POST
.PRINT AC VDB(VO)
.END
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