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Communication Systems - Engineering

Q1:

The intermediate frequency of a superheterodyne receiver is 450 kHz. If it is tuned to 1200 kHz, the image frequency will be

A 750 kHz

B 900 kHz

C 1600 kHz

D 2100 kHz

ANS:D - 2100 kHz

Image frequency = Fs+2fi

= 1200KHz+2x450KHz = 2100Khz.