Control circuit for setting a bias source at partial stand-by

Details Control circuit for setting a bias source at partial stand-by Control circuit for setting a bias source at partial stand-by

1995-06-22

1997-04-08

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327544, 323315, G05F 110

Patent

active

056191600

ABSTRACT:
The invention relates to a control circuit for setting a .DELTA.Vbe/R bias source at stand-by from a stand-by control signal including circuitry for virtually modifying, as a function of the state of the stand-by control signal, the emitter surface area of at least one of the matching-pair current mirror bipolar transistors in the bias source.

REFERENCES:
patent: 4361815 (1982-11-01), Schade, Jr.
patent: 4442398 (1984-04-01), Bertails et al.
patent: 4496425 (1985-01-01), McKenzie
patent: 4616142 (1986-10-01), Upadhyay et al.
patent: 4792750 (1988-12-01), Yan
patent: 4890052 (1989-12-01), Hellums
patent: 4978905 (1990-12-01), Hoff et al.
patent: 5404096 (1995-04-01), Thiel
patent: 5440258 (1995-08-01), Galbi et al.
IEEE Journal of Solid-State Circuits, vol. SC-21, no. 6, Dec. 1986, New York, US, pp. 901-908 Fisher et al., "A 50-Mbit/s CMOS Optical Transmitter Integrated Circuit".

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