* Tutorial Example 3 on Hspice - Single CS with active load
* CHANGE THE FILE EXTENSION FROM "txt" TO "sp" BEFORE SIMULATION

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*1st set of MOS models (channel lenghts 1U)
.MODEL NMOS1 NMOS VTO=0.70 KP=110U GAMMA=0.4 LAMBDA=0.04 PHI=0.7
.MODEL PMOS1 PMOS VTO=-0.70 KP=50U GAMMA=0.57 LAMBDA=0.05 PHI=0.8 
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*3rd set of MOS models (channel lenghts 1U)
*.MODEL NMOS3 NMOS VTO=0.70 KP=110U GAMMA=0.4 LAMBDA=0.04 PHI=0.7 MJ=0.5
*+MJSW=0.38 CGBO=700P CGSO=220P CGDO=220P CJ=770P CJSW=380P LD=0.016U TOX=14N
*.MODEL PMOS3 PMOS VTO=-0.70 KP=50U GAMMA=0.57 LAMBDA=0.05 PHI=0.8 MJ=0.5
*+MJSW=0.35 CGBO=700P CGSO=220P CGDO=220P CJ=560P CJSW=350P LD=0.014U TOX=14N
******************************************************************************
*CIRCUIT ELEMENTS

M1 2 1 0 0 NMOS1 w=5u l=1u

M2 2 3 4 4 PMOS1 w=5u l=1u

M3 3 3 4 4 PMOS1 w=5u l=1u

R1 3 0 100K
CL 2 0 5p

VDD 4 0 DC 5.0

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*DC ANALYSIS

.DC VIN 0 5 0.1

.PRINT DC V(2)

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*AC ANALYSIS

VIN 1 0 DC 1.07 AC 1
.AC DEC 20 100 100MEG

.OP

.PRINT AC VM(2) VDB(2) VP(2)
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.options list node post

.END