teraze
Joined: 14 Nov 2005
Posts: 4
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 Posted:
Wed Nov 16, 2005 4:06 am Post subject:
How to measure the phase of an opamp? |
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I want to measure the open loop differential opamp's phase
so I type the expression: phase((1 / (VF("/inp") - VF("/inn"))/ VF("/Vout")))
But spectre show error like this:
*Error* Evaluating expression (phase((1 / (VF("/inp") - VF("/inn"))/ VF("/Vout")))).
*Error* ("difference" 11 t nil ("*Error* difference: can't handle (nil - nil)"))
I don't know what does it mean,
would anyone please express what's wrong,thank you
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