Which filter is used to get back the original signal from sampled signal?(a) low pass filter(b) high pass filter(c) band pass filter(d) band reject filterThis question was posed to me during an online exam.My query is from Phase Shift Method in section SSB Modulation of Analog Communications

Which filter is used to get back the original signal from sampled sign

1.	Which filter is used to get back the original signal from sampled signal?(a) low pass filter(b) high pass filter(c) band pass filter(d) band reject filterThis question was posed to me during an online exam.My query is from Phase Shift Method in section SSB Modulation of Analog Communications
Answer» The correct choice is (a) low pass filter Explanation: Sampling is the conversion of continuous-TIME signal to discrete-time signal by sampling the continuous signal with respect to specific time intervals, thereby discritising it. Now to get back the ORIGINAL signal we have to use low pass filter, which attenuates HIGH FREQUENCIES and ALLOWS only low frequencies to pass.

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Which filter is used to get back the original signal from sampled signal?(a) low pass filter(b) high pass filter(c) band pass filter(d) band reject filterThis question was posed to me during an online exam.My query is from Phase Shift Method in section SSB Modulation of Analog Communications

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