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I have this code for hspice simulation

q3 simulation

vs      vin     0       ac      1       0
r1      vin     va      2k
r2      va      vb      2k
r3      vb      0       4k
r4      vb      vout    8k
e1      vout    0       0       va      2e5

.AC     DEC     50      100     100k    
.end

but it resulted in this error

**warning** no ac outputs specified, analysis omitted

How can I fix it?

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1 Answer 1

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I found that .probe or .print can solve this problem.

for example:

.probe v(vout)

OR

.print v(vout)
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