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Questions relating to the construction and applications of operational amplifiers, which are DC-coupled, high-gain electronic voltage amplifiers with a differential input and, usually, a single-ended output.

5 votes
3 answers
417 views

MOSFET Operational Amplifier

I am confused. Why we always say that the gain of an op amp should be as large as we can? Supposing that an op amp has a power supply of 1.8 V, the voltage gain is 1000 V/V. If we give a small signal …
jsdklfsldn's user avatar
1 vote
1 answer
179 views

Output Resistance in Cadence

Hello, I am trying to find out output resistance of opamp. Is the way that put the small signal model source at the output, set the voltage at operating point 0.9028V, and set the AC amplitude for 5 …
jsdklfsldn's user avatar