Signal separation circuit

Details Signal separation circuit Signal separation circuit

H - Electricity

04

M

H04M 19/00 (2006.01) H02M 3/335 (2006.01) H02M 3/337 (2006.01)

Patent

CA 2097448

A signal separation circuit for separating direct current power on a telephone with a transistor. A CPU, which includes an A/D converter, is connected to detect theemitter-collector voltage of the transistor, and to control the base current of the transistor to maintain the emitter-collector voltage constant.

L'invention est un circuit utilisant un transistor pour séparer le courant d'alimentation dans un téléphone. Une unité centrale comportant un convertisseur analogique-numérique est connectée de façon à détecter la tension émetteur-collecteur du transistor et à commander le courant de base de ce dernier pour maintenir sa tension émetteur-collecteur fixe.

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