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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 5125112 B1

PDFFull Text
Date of Patent:
Jun. 23, 1992

Filed:

Sep. 17, 1990

Temperature compensated current source

Applicant:
Inventors:

Gary L Pace, Boca Raton, FL (US);

Brian P Lenhart, Jr, Boynton Beach, FL (US);

Assignee:

Motorola, Inc., Schaumburg, IL (US);

Attorneys:

Rasor; Gregg E.

Koch; William E.

Berry; Thomas G.

Primary Examiner:

Curtis Kuntz

Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
455343 ; 34082544 ; 331176 ;
Abstract

A temperature compensated current source (300) is provided that senses a first reference voltage (301) to control a second reference current (302). The current source comprises means (304, 305, 306) for deriving a first reference current (303) in response to the first reference voltage (301) and means (304, 305, 307, 309, 310, 311, 312, 313) for maintaining a desired temperature coefficient of the second reference current (302) by sensing the first reference voltage (301) to control the second reference current (302).

Find Patent Forward Citations

Pace, Gary. (1992). Temperature compensated current source (U.S. Patent No. 5125112). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5125112

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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