Radio Receivers
The image frequency of a superheterodyne receiver

Is independent of the frequency to which the receiver is tuned
Is created within the receiver itself
Is not rejected be the IF tuned circuits
Is due to insufficient adjacent channel rejection

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Radio Receivers
In a radio receiver with simple AGC

The faster the AGC time constant the more accurate the output
The audio stage gain is normally controlled by the AGC
An increase in signal strength produces more AGC
The highest AGC voltage is produced

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