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1.
A low ratio of the ac to the dc load impedance of a diode detector results in
2.
Indicate which of the following circuits could not demodulate SSB:
3.
If the intermediate frequency is very high (indicate false statement)
4.
One of the following cannot be used to demodulate SSB:
5.
Indicate which of the following statements about the advantages of the phase discriminator over the slope detector is false:
6.
The controlled oscillator synthesizer is sometimes preferred over the direct one because
7.
A superheterodyne receiver with an IF of 450 kHz is tuned to a signal at 1200 kHz. The image frequency is
8.
The local oscillator of a broadcast receiver is tuned to a frequency higher than the incoming frequency
9.
Show which of the following statements about the amplitude limiter is untrue:
10.
A receiver has poor IF selectivity. It will therefore also have poor