Download Aptitude Crack
img not found img not found

Communication Systems

Q1: The typical squelch circuit

A cuts off IF amplifier when AGC is minimum

B cuts off IF amplifier when AGC is maximum

C cuts off audio amplifier when carrier is absent

D eliminates RF interference when signal is weak

ANS:C - cuts off audio amplifier when carrier is absent

To suppress noise when carrier is absent, squelch circuit cuts off audio amplifier.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.