

MCQOPTIONS
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1. |
In the stabilized reactance modulator AFC system |
A. | phase modulation is converted into amplitude modulation by the equalizer circuit |
B. | the discriminator frequency must not be too low or the system will fail |
C. | the discriminator must have a fast time constant to prevent demodulation |
D. | the higher discriminator frequency, better the oscillator frequency stability |
Answer» C. the discriminator must have a fast time constant to prevent demodulation | |