Receiver Sensitivity

The sensitivity of a receiver is taken as the minimum signal level required to produce an output signal having a specified signal-to-noise ratio.

Desensitization

The reduction of desired signal gain as the result of receiver reaction to an undesired signal.

The gain reduction is generally due to overload of some portion of the receiver (e.g., the AGC circuitry), resulting in desired signal suppression because the receiver will no longer respond linearly to incremental changes in input voltage.


See also: Receiver.

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Subjects: Electronics