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Self-test Questions
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Chapter 8 Noise in Amplitude Modulation System





1In an AM receiver, it is IF filter and demodulator that differentiates one modulation scheme from another. Is that correct?
A)Yes
B)No


2In SSB reception, signal strength at baseband filter output is half of that at input of carrier filter. Is that true?
A)Yes
B)No, One-fourth


3Does the reduction in frequency range improve SNR of both SSB and DSB-SC reception?
A)Yes
B)No


4Does quadrature components representation of noise alter output SNR of a receiver?
A)Yes
B)No


5Is the carrier filter in DSB-C reception needed at all for filtering passband signal?
A)Yes
B)No, but restricts overload of noise





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