Linearization circuit

Details Linearization circuit Linearization circuit

1980-12-15

1983-04-19

Mullins, James B.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307492, 307499, 307555, 330279, H03K 400

Patent

active

043807119

ABSTRACT:
A two terminal transfer linearization circuit is provided for linearizing the AGC voltage of an AGC amplifier by providing a selectively controllable nonlinear current-vs-voltage response curve with adjustable curvature. A pair of end terminals have a first circuit branch therebetween forming a voltage divider for supplying base drive voltage to a transistor in a second parallel circuit branch between the end terminals. A third parallel resistorless circuit branch is provided through a second transistor having base drive voltage across a third resistor in the second circuit branch. As the voltage across the end terminals increases, the current through the first transistor increases and this current increases the base drive voltage to the second transistor to turn on the latter in nonlinear manner. The shape and curvature of the resultant current-vs-voltage response curve is selectively adjusted by variable resistors in the first and second circuit branches.

REFERENCES:
patent: 3523198 (1970-08-01), Keller
patent: 3781648 (1973-12-01), Owens
patent: 3899693 (1975-08-01), Gaudreault
patent: 4101841 (1978-07-01), Okada et al.

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