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SPICE & PSPICE: accuracy?

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arbalez

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pspice accuracy

which of these two software is more accurate? and how many MOS can it support per schematic?

thanks.
 

I thing Hspice is more accurate than pspice because of the model level.
 

It depend on what technology you plan to use for your design. If 0.18u, 0.25u is your target process, the MOS model may be a problem due to lack of MOS model support in PSpice. If 0.5u, 0.8u or 1um technology is your target prcoess, it should be OK. I knew that some power-management fabless design house used PSpice to do their design here.
 

Normally, Pspice is running in windows env, and spice or hspice in unix env. Hspice is the golden stanard for low frequency circuit.
 

Should be the same, it the model that will determine the accuracy. I had tried simulating my circuit in Spice and Pspice before, there is not much different in the result.
 

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