Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Patent
1998-08-14
2000-01-11
Riley, Shawn
Electricity: power supply or regulation systems
Self-regulating
Using a three or more terminal semiconductive device as the...
323907, G05F 316
Patent
active
060140208
ABSTRACT:
A temperature-compensated bandgap reference voltage source with an operational amplifier and a switching device and a method of operating the bandgap reference voltage source. The operational amplifier has a first input stage with a first node carrying a potential and a second input stage with a second node carrying a potential. The first and second input stages provide an output signal of the operational amplifier. The switching device is connected and operated so as to selectively feed a first input signal and a second input signal alternately to the first input stage and to the second input stage, and to alternately select the output signal of the operational amplifier from the first node and from the second node.
REFERENCES:
patent: 5563504 (1996-10-01), Gilbert et al.
U. Tietze et al.: "Halbleiterschaltungstechnik", 10.sup.th edition, Dec. 1994, p.558.
"Halbleiter-Schaltungstechnik", U. Teitze et al., 10.sup.th edition, Dec. 1994, pp. 662,663 and 558-601.
"CMOS Analog Design", Saunders College Pub., Dec. 1987, pp. 590-596.
Greenberg Laurence A.
Lerner Herbert L.
Riley Shawn
Siemens Aktiengesellschaft
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