Method for extending transistor logarithmic conformance

Details Method for extending transistor logarithmic conformance Method for extending transistor logarithmic conformance

1978-12-29

1980-11-04

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328145, G06G 724

Patent

active

042322332

ABSTRACT:
The linear component appearing in the output of two logarithmic amplifiers connected for temperature compensation and having matched feedback semiconductor devices is cancelled in a resistor connected in series with a logarithmic device between the output and a point of reference potential so that a purely logarithmic voltage appears at their junction.

REFERENCES:
patent: 3624409 (1971-11-01), Folsom et al.
patent: 3681618 (1972-08-01), Blackmer
patent: 4100433 (1978-07-01), Duffy et al.

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