calculation of open loop dc gain with hspice

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A.jafari

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Hi.
I designed a folded cascade Opamp with Hspice and I want to simulate it.
I want to calculate dc open loop gain, Bandwidth, Phase margin.
How can I do that? please help me.
regard.
A.Jafari
 

So you have designed an opamp (I suppose with certain gain requirements) and now you are asking how to measure (simulate) the gain?
 

I designed an Opamp and now I want to measure open loop dc gain.
 

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