Circuit arrangement for amplifying a television signal

Details Circuit arrangement for amplifying a television signal Circuit arrangement for amplifying a television signal

1989-08-04

1991-02-19

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

358184, H03F 345

Patent

active

049947567

ABSTRACT:
In a circuit arrangement for amplifying a television signal, having, arranged between an input (2, 3) and an output (6) , a differential amplifier (1) comprising two emitter-coupled transistors (101, 102), high linearity and stability is obtained in spite of a low supply voltage, a high drive and manufacture in a method which produces transistors with a comparatively low "Early-voltage", by a combination of at least one ohmic resistor (103, 104; 202) arranged in the emitter branch of the transistors (101, 102) and a resistive feedback network (7) for feeding back a signal from the output (6) to the input (2, 3).

REFERENCES:
patent: 3530395 (1970-09-01), Prusha
patent: 4104678 (1978-08-01), Van Roessel

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