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What is the bandwidth of a resonant circuit with a frequency of 28 MHz and a Q of 80?

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What is the bandwidth of a resonant circuit with a frequency of 28 MHz and a Q of 80?

(a) 350KHz

(b) 30KHz

(c) 42.7KHz

(d) 57.05MHz

I got this question in exam.

I need to ask this question from Tuned Circuits in chapter Fundamentals of Electronics of Avionics

1 Answer

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Best answer
Right option is (a) 350KHz

To explain I would say: Bandwidth = resonant frequency  / Quality factor = 28 x 10^6 /80 = 350KHz.

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