[SOLVED] AC Simulation for Two-Stage OPAMP

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emeraude

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I made an ac simulation in HSPICE of my opamp design and the result is 80db and it is vertically going downward at freq=0 hertz (see attached image). What could be wrong in my design? Pls help! Thanks.
 

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emeraude said:
the result is 80db and it is vertically going downward at freq=0 hertz (see attached image).
Click to expand...
It is very natutal result.

Try to plot with log scale as x-axis.
 
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