Electronics and Communication Engineering - Radio Receivers - Discussion

Discussion Forum : Radio Receivers - Section 2 (Q.No. 36)

Radio Receivers

36.

In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is

Armstrong oscillator

Colpitts oscillator

Clapp oscillator

Ultra Audio oscillator