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What is the maximum frequency of a 16-MHz crystal with a stability of 200 ppm?

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What is the maximum frequency of a 16-MHz crystal with a stability of 200 ppm?

(a) 1,60,03,200Hz

(b) 2,14,65,400Hz

(c) 1,36,12,500Hz

(d) 4,56,42,863Hz

The question was posed to me in an interview for internship.

The origin of the question is Radio Transmitters in section Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

1 Answer

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Best answer
Correct answer is (a) 1,60,03,200Hz

The best explanation: The frequency can vary as much as 200 Hz for every 1 MHz of frequency or 200×16=3200Hz.

The maximum frequency is 1,60,00,000 + 3200 = 1,60,03,200 Hz.

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