Analog Electronics
A differential amplifier is invariably used in the i/p stage of all OP-amps.This is dome basically to provide the OP-amps with a very high

Bandwidth
Slew rate
CMRR
Open-loop gain

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Analog Electronics
Which of the following statements is false?

Push pull signals are equal and opposite in phase
All of these
Class AB operation cannot be used for a push pull audio power output phase
A push pull output transformer has a centre-tapped primary

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Analog Electronics
When a transistor is connected in common emitter mode, it with have

High input resistance and low output resistance
Negligible input resistance and high output resistance
Low input resistance as well as output resistance
Medium input resistance and high output resistance

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