Which of the following should be used in order to prevent overloadi – McqOptions

MCQOPTIONS

1.	Which of the following should be used in order to prevent overloading or the last IF amplifier in a receiver?
A.	Variable selectivity
B.	Variable sensitivity
C.	Double conversion
D.	Squelch
Answer» C. Double conversion

Discussion

No Comment Found

Related MCQs

At room temperature the current in an intrinsic semiconductor is due to
A geosynchronous satellite
A transponder is a satellite equipment which
The INTELSAT-IV satellite launched in 1974 had two earth coverage antenna and two narrower-angle antennas subtending 4.5°. The signal from narrow-angle antenna was stronger than that from earth- coverage antenna by a factor of
The angle subtended by earth at geostationary communication satellite is
The discussing sharing of a communication satellite by many geographically dispersed Earth station, DAMA means
A 20 m antenna gives a certain uplink gain at frequencies of 4/6 GHz. For getting same gain in the 20/30 GHz band, antenna size required is metre.
Noise temperature of Sun is more than __________ °K.
The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.
Rotation of a geosynchronous satellite means its