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What is present in the processing circuit for signal separation?

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in Biomedical Instrumentation by (76.6k points)
What is present in the processing circuit for signal separation?

(a) Preamplifier

(b) Power Line Hum

(c) Notch Filter

(d) Band Pass Filter

The question was asked by my school principal while I was bunking the class.

My doubt is from Ambulatory Monitoring Instruments in portion Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation

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Correct option is (d) Band Pass Filter

The best explanation: The signal path then splits into two channels: the maternal ECG channel or Mchannel and the foetal or F channel. Since the frequency spectrum of the foetal ECG differs somewhat from the maternal ECG, some initial signal separation is achieved by using the appropriate bandpass filtering in each channel.

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