Download Aptitude Crack
img not found img not found

Analog Electronics - Engineering

Q1:

Consider the following statements
A totem pole configuration used in the output stage if an op-amp has the advantage of using
  1. Only n-p-n BJTs
  2. Complementary symmetrical pair of transistors
  3. Only one transistor
Which of these statements is/are correct?

A 1 alone

B 2 alone

C 3 alone

D 1 and 3

ANS:A - 1 alone

May anyoneau explain this? please.