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Integrated-Circuit Logic Families - Technical MCQs

Q1:

Refer to the given figure. What type of output arrangement is being used for the output?

A Complementary-symmetry

B Push-pull

C Quasi push-pull

D Totem-pole

ANS:D - Totem-pole

Complementary-symmetry is same as push pull amplifier.

In a push-pull amplifier, the transistor are emitter-coupled meaning that the emitter of transistor 1 is connected to the emitter of transistor 2.

The quasi push-pull amplifier uses a Darlington pair and feedback pair in a push-pull arrangement
In totem-pole emitter of transistor 1 is connected to the collector of transistor 2.
In the image, we can see that totem-pole is the correct answer.