Bipolar transistor arrangement with distortion compensation

Details Bipolar transistor arrangement with distortion compensation Bipolar transistor arrangement with distortion compensation

1990-04-20

1992-07-14

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307455, 307491, 307494, 307254, H03K 301, H03K 19086, H03K 1760, G06G 712

Patent

active

051305674

ABSTRACT:
A bipolar transistor arrangement with compensation for the distortion component (Id) in the collector current (Io+Id) of a transistor (T1), which component is caused by the logarithmic base-emitter voltage thereof. In order to provide this compensation a sub-current (Is) proportional to the emitter current (I+Ie) is generated. This sub-current is fed through an element (7) comprising at least one semiconductor junction. By means of a voltage-to-current converter (8) the logarithmic voltage appearing across this element is converted into a correction current (Ir) proportional to the distortion component (Id) and is applied to the collector of the transistor (T1) in order to compensate for the distortion component (Id) flowing in a load circuit (Rc) connected to the collector. The arrangement is suitable for use in voltage-to-current converters made up of bipolar transistors.

REFERENCES:
patent: 3492588 (1970-01-01), Woodward, Jr.
patent: 3509380 (1970-04-01), Gillett et al.
patent: 4550262 (1985-10-01), Kohsiek
patent: 4675553 (1987-06-01), Price et al.
patent: 4757216 (1988-07-01), Tanahashi
patent: 4961046 (1990-10-01), De Jager

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