A) For an FM radio receiver, the local oscillator is below the carrier frequency by 10.7MHZ. Find the local oscillator and carrier frequencies if you know that the second image frequency is 128.5MHZ.

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Question No. 5
A) For an FM radio receiver, the local
oscillator is below the carrier
frequency by 10.7MHZ. Find the local
oscillator and carrier frequencies if
you know that the second image
frequency is 128.5MHZ.
Your answer
B) What are the pre-emphasis and
de-emphasis in FM receiver? What is
the advantage of this extra
complexity in the structure of FM
receivers?
Your answer
Transcribed Image Text:Question No. 5 A) For an FM radio receiver, the local oscillator is below the carrier frequency by 10.7MHZ. Find the local oscillator and carrier frequencies if you know that the second image frequency is 128.5MHZ. Your answer B) What are the pre-emphasis and de-emphasis in FM receiver? What is the advantage of this extra complexity in the structure of FM receivers? Your answer
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