naalald
Full Member level 4
When I want to perform the pole zero analysis in Hspice, this warning appears:
**warning** pole analysis stopped - iterno .gt. 100
And only two of the poles are shown. The same story occurs for zero analysis.
The circuit is a fully differential opamp. When I remove the CMFB circuit the problem does not occur and everything is correct. I don't know why. Is there anything wrong with program? Any suggestions?
Thanks.
**warning** pole analysis stopped - iterno .gt. 100
And only two of the poles are shown. The same story occurs for zero analysis.
The circuit is a fully differential opamp. When I remove the CMFB circuit the problem does not occur and everything is correct. I don't know why. Is there anything wrong with program? Any suggestions?
Thanks.