Current Balanced- technology is described with a circuit that achieves extraordinary isolation and CMRR characteristics without a transformer. The circuit is DC coupled, connects to unbalanced equipment, and provides signal gain without compromising CMRR. Like a transformer, it implements two-port audio signal isolation that is characterized by a balance in the currents flowing in and out of each port.

Author: Fiori, Jr., David
Affiliation: Integrated Electronic Technologies, Bensalem, PA
AES Convention: 105 (September 1998) Paper Number: 4849
Publication Date: September 1, 1998
Subject: Analog Signal Processing for Audio

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