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Communication Systems

Q1:

In the stabilized reactance modulators AFC system

A the discriminator must have a fast time constant to prevent demodulation

B the higher discriminator frequency the better the oscillator frequency stability

C the discriminator frequency must not be too low, or the system will fail

D phase modulation is converted into FM by the equalizer circuit

ANS:D - phase modulation is converted into FM by the equalizer circuit

I think option C is correct.



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