Radio Receivers
Indicate which of the following circuits could not demodulate SSB:

Product modulator
Balance modulator
Phase discriminator
BFO

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

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

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