The range of CMRR of Foetal electrocardiogram is ______________(a) 0-120 dB(b) 0-200 dB(c) 0-150 dB(d) 0- 130 dBThis question was addressed to me in an interview for internship.This intriguing question originated from Measurement of Hearing in chapter Audiometry of Biomedical Instrumentation

The range of CMRR of Foetal electrocardiogram is ______________(a) 0-1

1.	The range of CMRR of Foetal electrocardiogram is ______________(a) 0-120 dB(b) 0-200 dB(c) 0-150 dB(d) 0- 130 dBThis question was addressed to me in an interview for internship.This intriguing question originated from Measurement of Hearing in chapter Audiometry of Biomedical Instrumentation
Answer» Correct option is (a) 0-120 dB The best I can explain: The range of CMRR of FOETAL electrocardiogram is 0-120 dB. After proper PLACEMENT of the electrodes, the signals are amplified in a preamplifier which provides a very high input impedance (100 MW) and a high SENSITIVITY and good common mode rejection ratio (up to 120 dB). Abdominal FECG processing circuit is used for COMPUTING foetal heart RATE.

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The range of CMRR of Foetal electrocardiogram is ______________(a) 0-120 dB(b) 0-200 dB(c) 0-150 dB(d) 0- 130 dBThis question was addressed to me in an interview for internship.This intriguing question originated from Measurement of Hearing in chapter Audiometry of Biomedical Instrumentation

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