In the certain process where the bandwidth of these is different, the bigger bandwidth resources could be linked to many switch places onto the sampler side to be usually sampled more than the shorter bandwidth input signal. This fs = 1/Ts represents the frequency of spinning to its sampler also fs fits the Nyquist rate for its analog sources with the maximum selective bandwidth. In practice, a digital switch is utilized for its sampler. Here, the TDM technique is employed to the three analog resources that are multiplexed through a PCM system. Time Division Multiplexing in Telegraph, Image Credit – William Noble, EB1922 Telegraph – Simplified Terminal Circuit of Multiplex Printer System, marked as public domain, more details on Wikimedia Commons
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