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Signal Chain filtering - Filter considerations

What are the main differences to consider when designing your filter for single channel signal chain VS multichannel (multiplexed) signal chain architectures?

  • An analog filter for a single or a multiple channel signal must provide bandwidth and noise limiting with minimum addition to the signal chain noise, power, and cost. In addition, for multiple channel application a filter or filters must have a short transient response to maximize the switching speed of a mux selecting each channel in succession or arbitrarily.