Amplifier for use in a line circuit

Details Amplifier for use in a line circuit Amplifier for use in a line circuit

1980-04-21

1982-07-20

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including plural stages cascaded

330293, H03F 108

Patent

active

043408699

ABSTRACT:
An amplifier for a subscriber's line circuit comprising an extra transistor whose base-emitter junction is connected across a resistor which is arranged in series with the main current path of the output transistor of the amplifier. Furthermore, a supply source is connected to the output terminal of the amplifier via the main current path of the additional transistor and an impedance for supplying at least a portion of the line current of a subscriber's line connected to the output terminal, in order to reduce the dissipation in the semiconductor elements of the amplifier.

REFERENCES:
patent: 4268798 (1981-05-01), Reichart

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