Radio Receivers
An AM receiver uses a diode detector for demodulation. This enables it satisfactorily to receive

Single-sideband, suppressed-carrier
ISB
Single-sideband, reduced-carrier
Single-sideband, full-carrier

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Radio Receivers
Show which of the following statements about the amplitude limiter is untrue:

The output must be tuned
When the input increases past the threshold of the limiting, the gain decreases to keep the output constant.
Leak-type bias must be used
The circuit is always biased in class C, by virtue of the leak-type bias.

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Radio Receivers
If a FET is used as the first AF amplifier in a transistor receiver, this will have the effect of

Reducing the effect of negative-peak clipping
Reducing the effect of noise at low modulation depths
Improving the selectivity of the receiver
Improving the effectiveness of the AGC

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