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How to perform pole zero analysis with spice3f?

I'm trying to perform pole zero analysis with spice3f.
This is the circuit file:
test
vin 1 0 dc 0 ac 1
r1 1 2 1
c1 2 0 1
r2 1 3 1
c2 3 2 1
..print ac v(3)
..pz 1 0 3 0 VOL PZ
..ac dec 20 10m 10k
..end

When I run Spice3F5 I always get the message:
Error: no data saved for pole-zero analysis; analysis not run


any help welcome

hugo
 
J

Jim Thompson

Jan 1, 1970
0
I'm trying to perform pole zero analysis with spice3f.
This is the circuit file:
test
vin 1 0 dc 0 ac 1
r1 1 2 1
c1 2 0 1
r2 1 3 1
c2 3 2 1
.print ac v(3)
.pz 1 0 3 0 VOL PZ
.ac dec 20 10m 10k
.end

When I run Spice3F5 I always get the message:
Error: no data saved for pole-zero analysis; analysis not run


any help welcome

hugo

Quit multi-posting... learn to _cross_ post.

See my response on sci.electronics.cad

...Jim Thompson
 
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