Superheterodyne Receiver

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A superheterodyne receiver is to operate in the frequency range 550kHz-1650kHz, intermediate frequency 450kHz

Let R=C(min)/C(max) denote required capacitance ratio of local oscillator &I denote image frequency in kHz of incoming signal.If receiver is tuned to 700kHz then

(a)R = 4.41 , I = 1600

(b)R= 2.10, I = 1150

(c)R = 3, I = 1600

(d)R =9 ,I = 1150



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Concept

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