Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2006-09-25
2009-08-18
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C323S314000
Reexamination Certificate
active
07576598
ABSTRACT:
A bandgap voltage reference circuit is provided that includes a PTAT source whose polarity reverses at a determinable temperature. The PTAT source is combined with a CTAT source in a manner to remove the effects of the slope of the CTAT source such that a voltage reference may be generated. A method of operating such a circuit is also described.
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Analog Devices Inc.
Donovan Lincoln
Englund Terry L
Wolf Greenfield & Sacks P.C.
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