In down-conversion multiplication with cosine wave is followed by(a) Low pass filter(b) High pass filter(c) Bandpass filter(d) Bandstop filterThis question was posed to me during an interview.The doubt is from Signals in portion Signals and Spectra of Digital Communications

In down-conversion multiplication with cosine wave is followed by(a) L

1.	In down-conversion multiplication with cosine wave is followed by(a) Low pass filter(b) High pass filter(c) Bandpass filter(d) Bandstop filterThis question was posed to me during an interview.The doubt is from Signals in portion Signals and Spectra of Digital Communications
Answer» Correct choice is (a) LOW pass filter For EXPLANATION: Downconversion of bandpass signal INCLUDES multiplication with sine wave followed by low pass FILTERING.

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In down-conversion multiplication with cosine wave is followed by(a) Low pass filter(b) High pass filter(c) Bandpass filter(d) Bandstop filterThis question was posed to me during an interview.The doubt is from Signals in portion Signals and Spectra of Digital Communications

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