Electricity: power supply or regulation systems – Remote sensing
Patent
1978-06-08
1979-07-03
Pellinen, A. D.
Electricity: power supply or regulation systems
Remote sensing
323 22T, 330297, G05F 156, G05F 160
Patent
active
041602013
ABSTRACT:
Improved voltage regulators of a type wherein a feedback network is used for developing an error signal having a magnitude dependent upon the degree to which a portion of the voltage being regulated departs from a voltage proportional to the extrapolated bandgap potential of the material from which first and second semiconductor junctions in the network are formed. More particularly, this error signal is generated at the output of a differential-input amplifier which differentially compares (a) a relatively large reference potential (m+n) times the offset potential across the first semiconductor junction, and (b) a relatively small reference potential m times the offset potential across the second semiconductor junction, augmented by a portion of the voltage being regulated. The factor m is a positive number at least unity; and the factor n, a positive number less than unity. The first and second semiconductor junctions are operated with relatively high and relatively low respective densities of current flow through them. The error signal is applied as a control signal to apparatus for controlling the flow of current between the regulator output terminals, thereby regulating the voltage appearing between them.
REFERENCES:
patent: 3555309 (1971-01-01), Limberg
patent: 4061959 (1977-12-01), Ahmed
patent: 4088941 (1978-05-01), Wheatley
Christoffersen H.
Limberg A. L.
Pellinen A. D.
RCA Corporation
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