2. Fig shown below shows a PCM wave in which the amplitude levels of +1 volt and -1 volts are used to represent binary symbols 1 and 0 respectively. The code word used consists of three bits. Find the sampled version of an analog signal from which this PCM wave is derived before and after the smoothing LPF. +1 0 0 0 10 10 -1 Tb

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2. Fig shown below shows a PCM wave in which the amplitude levels of +1 volt and -1
volts are used to represent binary symbols 1 and 0 respectively. The code word used
consists of three bits. Find the sampled version of an analog signal from which this
PCM wave is derived before and after the smoothing LPF.
+1
0
0 0 10 10
-1
Tb
Transcribed Image Text:2. Fig shown below shows a PCM wave in which the amplitude levels of +1 volt and -1 volts are used to represent binary symbols 1 and 0 respectively. The code word used consists of three bits. Find the sampled version of an analog signal from which this PCM wave is derived before and after the smoothing LPF. +1 0 0 0 10 10 -1 Tb
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