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Question

The threshold effect in demodulator is

a.

exhibited by all demodulator, when the input signal to noise ratio is low.

b.

the rapid fall on output signal to noise ratio when the input signal to noise ratio fall below a particular value.

c.

the property exhibited by all A.M. suppressed carrier coherent demodulator.

d.

the property exhibited by correlation receiver.

Answer: (b).the rapid fall on output signal to noise ratio when the input signal to noise ratio fall below a particular value.

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Q. The threshold effect in demodulator is

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