Question

Input stage and intermediate stages are what is coupled
?
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Answer 1

Explanation:

Block Diagram of an Opamp

The Input Stage is a dual input balanced output differential amplifier which provides most of the voltage gain of amplifier and also establishes the input resistance of op-amp. Intermediate Stage is a dual input unbalanced output differential amplifier.

Answer 2

Answer:

The task of the input stage is to process the differential signals present at the inputs of the operational amplifier while keeping the amount of interference that is added by the input stage as small as possible. Interference includes offset, noise, and distortion.

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