Comparison
Novel balanced input ac-coupling network for… vs Standard ac-coupling with grounded resistors
Design
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May enable compact high-CMRR ECG amplifiers; leaves open clinical validation and outcome studies.
The proposed balanced input ac-coupling network enables high-gain biopotential amplifiers with a reduced number of parts, low power consumption, and high common mode rejection ratio.
Spinelli et al. (2003) studied this question.
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