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______ is used to provide continuous tuning over the desired range?(a) Variable frequency oscillator(b) Frequency synthesizer(c) Variable Frequency producer(d) Frequency multiplierThis question was posed to me during an interview.Query is from Radio Transmitters in division Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

Answer»

The correct CHOICE is (a) VARIABLE FREQUENCY oscillator

Best explanation: A variable frequency oscillator (VFO) is used to provide CONTINUOUS tuning over a desired range. Using VFO different carrier frequencies can be generated.



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