Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-06-20
1999-10-19
Cunningham, Terry D.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327538, 323313, G05F 110
Patent
active
059695668
ABSTRACT:
A circuit for generating a reference potential includes a first transistor having an emitter connected to a ground potential, a base, and a collector connected to the base; a second transistor having a base connected to the base of the first transistor; a first resistor connected between the collector of the first transistor and an output terminal outputting the reference potential; a second resistor connected between the collector of the second transistor and the output terminal; a third resistor connected between the emitter of the second transistor and ground potential; a third transistor having a base connected to the collector of the second transistor, and an emitter connected to the ground potential; a fourth transistor having a collector connected to a supply potential, an emitter connected to the output terminal, and a base connected to the collector of the third transistor; a first current source connected between the base and the collector of the fourth transistor; and a second current source connected in parallel with the first current source, the second current source generating a compensation current compensating for current fluctuations of the first current source.
REFERENCES:
patent: 4897560 (1990-01-01), Saito et al.
patent: 5013941 (1991-05-01), Jansson
patent: 5309083 (1994-05-01), Pierret et al.
patent: 5381083 (1995-01-01), Inamori et al.
patent: 5488329 (1996-01-01), Ridgers
patent: 5719522 (1998-02-01), Saitou et al.
patent: 5801582 (1998-09-01), Weber
"Analysis and Design of Analog Integrated Circuits", Second Edition, Paul R. Gray et al., pp. 292-297.
Heinen Stefan
Matter Udo
Weber Stephan
Cunningham Terry D.
Greenberg Laurence A.
Hasanzadah Maria
Lerner Herbert L.
Siemens Aktiengesellschaft
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