Band gap circuit

Details Band gap circuit Band gap circuit

1984-06-14

1987-02-17

Shaw, Clifford C.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

G05F 316

Patent

active

046442570

ABSTRACT:
The present invention relates to a band gap circuit for providing an integral multiplication of an elementary band gap voltage. The circuit comprises a first transistor having its base connected to its collector via a resistor, a second transistor which is connected at its base to the collector of the first transistor, and a third transistor which is connected at its base to the collector of the second transistor, with the emitters of the three transistors being connected to one pole of a supply source. A fourth transistor is provided in emitter follower configuration and connected between the emitter of the fourth transistor and a connection point, is a series connection comprising at least one resistor and at least one diode.

REFERENCES:
patent: 3579133 (1971-05-01), Harford
patent: 3659121 (1972-04-01), Frederiksen
patent: 3831040 (1974-08-01), Nanba et al.
patent: 4059793 (1977-11-01), Ahmed
Robert J. Widlar, "New Developments in IC Voltage Regulators," IEEE Journal of Solid-State Circuits, vol. SC-6, No. 1, (Feb. 1971), pp. 2-4.

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