Electricity: power supply or regulation systems – Remote sensing
Patent
1976-12-08
1978-05-23
Pellinen, A. D.
Electricity: power supply or regulation systems
Remote sensing
323 22T, G05F 308
Patent
active
040913210
ABSTRACT:
A temperature compensated low voltage reference that produces an output voltage less than the silicon band-gap voltage. The low voltage reference includes at least a first and a second transistor for providing a voltage independent of variations in the collector power supply and at least a third transistor for developing a voltage that is a fractional value of the base-to-emitter voltage drop of a transistor. The at least a third transistor for developing is coupled with the at least a first and a second transistor for providing. The low voltage reference also includes an output transistor for providing an output voltage. The output transistor is controlled by the voltage provided by the at least a first and a second transistor for providing so that the output voltage is essentially insensitive to temperature variations and is a lower value than the silicon band-gap voltage.
REFERENCES:
patent: 3617859 (1971-11-01), Dobkin et al.
patent: 3781648 (1973-12-01), Owens
patent: 3887863 (1975-06-01), Brokaw
patent: 3893018 (1975-07-01), Marley
patent: 3908162 (1975-09-01), Marley et al.
Meijer et al., "An Integrated Bandgap Reference," IEEE Journal of Solid-State Circuits, vol. SC-11, No. 3, Jun. 1976, pp. 403-406.
Widlar, "New Developments in IC Voltage Regulators," IEEE Journal of Solid-State Circuits, vol. Sc-6, No. 1, Feb. 1971, pp. 2-7.
Barbee Joe E.
Motorola Inc.
Pellinen A. D.
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