In AM radio receiver, the oscillator frequency is

Q. In AM radio receiver, the oscillator frequency is

A

Incoming signal - 455 kHz

B

Incoming signal + 455 kHz

C

Equal to signal frequency

D

Equal to 455 KHz 5.

Solution:

In AM radio receiver, the oscillator frequency is incoming signal + 455kHz.
The local oscillator is the heart of the receiver.
It is the most critical circuit in the entire receiver because any drift or instability in the local oscillator will translate into drift and instability in the received signal.

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