ECE Board Exam March 1996
What is the purpose of the receiver’s squelch circuit?
A. To overcome fluctuations in the level the RF signal arriving at the receiver antenna
B. To prevent fluctuations in the AGC bias level
C. To reduce the receiver’s sensitivity to all incoming signals
D. To prevent amplified noise from reaching the loudspeaker during the absence of
an incoming signal
What is the purpose of the receiver’s squelch circuit?
A. To overcome fluctuations in the level the RF signal arriving at the receiver antenna
B. To prevent fluctuations in the AGC bias level
C. To reduce the receiver’s sensitivity to all incoming signals
D. To prevent amplified noise from reaching the loudspeaker during the absence of
an incoming signal