Time Left - 15:00 mins

GATE EC 2022: Analog Circuits Quiz 6

Attempt now to get your rank among 153 students!

Question 1

A three stage amplifier with identical stages with lower cut off frequency per stage ‘f1’ is given overall negative feedback. Depending on the overall gain, the system may oscillate at a low frequency fc given by

Question 2

Consider the feedback circuit shown in figure.

The feedback network used in the circuit has …………………… type of feedback topology.

Question 3

A class B push pull amplifier must deliver low of audio power to the output load. If the output transformer is 80% efficient then what is the minimum average dissipation rating required for each transistor ?

Question 4

Consider an amplifier circuit shown in figure. If the transistors θ1 and θ2 parameters gm1, rπ1 and gm2, rπ2 respectively then voltage gain |Av| is

Question 5

For the Darlington amplifier shown in figure below as :

Both Q1 and Q2 are identical with h parameter hfc = 100, RE = hie = 1 kΩ. If z parameter of the circuit diagram is given as

Then  is

Question 6

For the feedback amplifier as shown the transconductance gm is _____mA/V

  • 153 attempts
  • 1 upvote
  • 1 comment

Posted by:

V V Satya Narayana MadasuV V Satya Narayana MadasuMember since Sep 2020
Gate Qualified in 2018,2019,2020,2021| ISRO Exam qualified| AIR -672|Completed M.Tech in VLSI Design
Share this quiz   |