Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-12-21
1985-07-30
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307297, 307310, H03K 19086, H03K 1920, H03K 1714
Patent
active
045324417
ABSTRACT:
An output stage comprising a differential amplifier (T.sub.1, T.sub.2) which comprises an additional current source (20) which conducts, via a transistor (T.sub.4) which is connected parallel to the base and the collector of one of the transistors (T.sub.1) of the differential amplifier, an auxiliary current through the load resistor (1) of the transistor (T.sub.1). A further branch of said current source 20 is formed by a transistor (T.sub.5) which is connected in series with a resistor (3), the conduction of the transistor (T.sub.5) being (indirectly) controlled by the current flowing through a resistor (2) which is connected between the transistor (T.sub.4) and the source (20).
REFERENCES:
patent: 3560770 (1971-02-01), Gieles
patent: 4249091 (1981-02-01), Yamagiwa
patent: 4329597 (1982-05-01), Yamagiwa
Bertelson David R.
Biren Steven R.
Mayer Robert T.
Miller Stanley D.
U.S. Philips Corporation
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