Circuit combining bipolar transistor and JFET's to produce a con

Details Circuit combining bipolar transistor and JFET's to produce a con Circuit combining bipolar transistor and JFET's to produce a con

1976-05-03

1978-01-03

Anagnos, Larry N.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307251, 307297, 357 22, 357 43, H01L 2980, H01L 2702, H03K 1760

Patent

active

040669173

ABSTRACT:
A pair of FET's are coupled in series between the emitter and collector of a bipolar transistor and the juncture of the FET's coupled to the bipolar transistor base. The FET gates are coupled to the bipolar transistor collector. When a current is passed through the emitter-collector terminals in excess of a threshold value, a constant voltage will appear over a substantial current range. The constant voltage is related to FET Vp and can be used to compensate or track integrated circuits that contain both FET's and bipolar transistors.

REFERENCES:
patent: 3303413 (1967-02-01), Warner, Jr. et al.
patent: 3369129 (1968-02-01), Wolterman
patent: 3458801 (1969-07-01), Polson
patent: 3603811 (1971-09-01), Day et al.
patent: 3708694 (1973-01-01), Evans
patent: 3723892 (1973-03-01), Julie
patent: 3898477 (1975-08-01), Buchanan
patent: 3916222 (1975-10-01), Compton

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