Single power supply battery feed circuit

Details Single power supply battery feed circuit Single power supply battery feed circuit

H - Electricity

04

B

379/66

H04B 3/03 (2006.01) H04M 19/00 (2006.01)

Patent

CA 1217887

SINGLE POWER SUPPLY BATTERY FEED CIRCUIT ABSTRACT OF THE DISCLOSURE A two amplifier subscriber line interface circuit that uses a novel voltage divider technique for providing power to the two lower voltage ampli- fiers from a 50 volt central office battery. This is achieved by using one lower power amplifier with a Zener regulator diode in shunt thereof to regulate its current.

461521

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