Bias circuit

Details Bias circuit Bias circuit

1979-05-18

1980-10-28

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 1, 330296, G05F 320

Patent

active

042309808

ABSTRACT:
A bias circuit for generating bias voltages or bias currents including first and second elements for generating a voltage corresponding to the sum of two voltage drops in a forward p-n junction; first and second transistors for generating a negative feedback current; at least one resistor for determining the value of a constant current for generating bias voltages; a negative feedback circuit; a third resistor connected in the feedback circuit, and; a starting element for supplying currents to the first and second elements and to the first and second transistors in an initial state when the power is turned on, whereby the feedback circuit operates to generate the constant current which is used for forming bias voltages.

REFERENCES:
patent: 3742338 (1973-06-01), Sugano et al.
patent: 3743850 (1973-07-01), Davis
patent: 3911353 (1975-10-01), van de Plassche
patent: 3914683 (1975-10-01), van de Plassche

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