Battery feed circuit for a pair of subscriber lines

Details Battery feed circuit for a pair of subscriber lines Battery feed circuit for a pair of subscriber lines

H - Electricity

04

M

379/63

H04M 19/00 (2006.01)

Patent

CA 1241472

BATTERY FEED CIRCUIT FOR A PAIR OF SUBSCRIBER LINES ABSTRACT OF THE DISCLOSURE Battery feed circuit, arranged for a pair of subscriber lines, including a voltage drive circuit including an operational amplifier having a predetermined output impedance determined by an alternating current terminal impedance for the pair of subscriber lines, voice signals and induced noise signals being terminated by the voltage drive circuit.

481978

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