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Draw a block diagram for an am heterodyne receiver -

Question
Commercial AM broadcast stations operate between 540KHz to 1600KHz, with a transmission bndwidth limited to 10KHz.

a) Draw a block diagram for an AM heterodyne receiver.

b) If the IF is 455KHz. determine the range of turning that must be provided in the local oscillator when the local oscillator frequency f_Lo is higher than the carrier frequency f_c (super-heterodyning).

c)Repeal part (b) when f_LO is lower than f_c(sub-heterodyning).

d) Explain why the usual AM radio receiver uses a super-heterodyne system.

e) commercial AM receiver is tuned to a radio station having a carrier frequency of 1120KHz, what is the carrier frequency of the image station?

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