Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-05-12
1999-03-16
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
323313, 323315, H03K 338
Patent
active
058835431
ABSTRACT:
A circuit configuration for generating a reference potential includes a first transistor with an emitter connected to a ground potential and a base and a collector connected to one another. A second transistor has a base connected to the base of the first transistor. A first resistor is connected between the collector of the first transistor and an output terminal for picking up the reference potential. A second resistor is connected between the collector of the second transistor and the output terminal. A third resistor is connected between the emitter of the second transistor and the ground potential. A third transistor has a base connected to the collector of the second transistor and an emitter connected to the ground potential. A controlled current source is connected between a supply potential and the output terminal and is coupled on the input side to the collector of the third transistor. A capacitor is connected parallel to the second resistor.
REFERENCES:
patent: 4553083 (1985-11-01), Yang
patent: 5028527 (1991-07-01), Poletto et al.
patent: 5029295 (1991-07-01), Bennett et al.
patent: 5719522 (1998-02-01), Saitou et al.
patent: 5757224 (1998-05-01), Antone et al.
Paul R. Gray and Robert G. Meyer, "Analysis and Design of Analog Integrated Circuits", Second Edition, John Wiley and Sons, 1984, pp. 293-296: as mentioned on p. 2 of the Specification.
Callahan Timothy P.
Greenberg Laurence A.
Kim Jung Ho
Lerner Herbert L.
Siemens Aktiengesellschaft
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