Chopper input dc amplifiers are preferred for high level inputs to instrumentation systems because of their high sensitivity, negligible drift and excellent common mode rejection capability.(a) True(b) FalseThis question was addressed to me during an online interview.I need to ask this question from Telemedicine System in chapter Telemedicine Technology of Biomedical Instrumentation

Chopper input dc amplifiers are preferred for high level inputs to ins

1.	Chopper input dc amplifiers are preferred for high level inputs to instrumentation systems because of their high sensitivity, negligible drift and excellent common mode rejection capability.(a) True(b) FalseThis question was addressed to me during an online interview.I need to ask this question from Telemedicine System in chapter Telemedicine Technology of Biomedical Instrumentation
Answer» Right choice is (b) False For explanation I would say: It is False. CHOPPER input dc amplifiers are preferred for low level inputs to instrumentation systems because of their high sensitivity, negligible drift and excellent COMMON mode rejection CAPABILITY. Their high frequency RESPONSE is limited to about ONE half of the input chopper frequency.

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