Transistor biasing circuit

Details Transistor biasing circuit Transistor biasing circuit

1975-11-26

1976-10-19

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307297, 330 22, H03K 1700

Patent

active

039873170

ABSTRACT:
A transistor biasing circuit having a single biasing transistor for biasing first and second operational transistors. The biasing transistor has means connecting its base to its collector and means are provided to connect the base of each of the first and second operational transistors to the collector circuit of the biasing transistor. Each of the three transistors are arranged in a circuit between a pair of voltage terminals which are connected to a power supply. The arrangement of the resistors in the circuit paths of the biasing transistor and the operational transistors are in such a way as to provide circuit means for stabilizing the collector currents of the first and second transistors regardless of variations in the factor of h.sub.FE. This circuit arrangement provides an improved stabilization of the collector currents over prior art devices.

REFERENCES:
patent: 3544882 (1970-12-01), Tanaka
patent: 3740658 (1973-06-01), Loving, Jr.

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