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Calculate the transmitter output frequency if the transmitter uses a crystal oscillator with a frequency of 14.9 MHz and a frequency multiplier chain with factors of 2, 3, and 3.(a) 1.564MHz(b) 268.2MHz(c) 264.3MHz(d) 265.6MHzI had been asked this question in unit test.This interesting question is from Radio Transmitters topic in section Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

Answer»

Correct choice is (b) 268.2MHz

For explanation: Total frequency multiplication factor 2 x 3 x 3 = 18

Transmitter OUTPUT frequency = 14.9 MHZ x 18 = 268.2 MHz.



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