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_________ resolution analog-to-digital converter is used in digitization of ECG signal in signal conditioning.(a) 16 bit(b) 12 bit(c) 32 bit(d) 64 bitThe question was posed to me in an internship interview.This intriguing question originated from Clinical Data Interchange/Exchange Standards in section Telemedicine Technology of Biomedical Instrumentation

Answer»

Right choice is (B) 12 bit

Easy explanation: In signal conditioning, ECG signal is amplified, filtered and digitized using an 8- or 12- bit analog-to-digital converter with a TYPICAL SAMPLING RATE of 250 Hz.



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