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.:
Date of Patent:
Jul. 08, 1986
Filed:
Dec. 27, 1982
Applicant:
Inventors:
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
307455 ; 307475 ; 307297 ; 307310 ;
Abstract
A bias circuit for providing a reference voltage to an output circuit, for example, an ECL circuit in an LSI. The bias circuit is able to operate at a lower power supply voltage of about -2 V and includes a first transistor having an emitter which is connected to a power supply and a base and a collector commonly connected through an impedance circuit to ground. The bias circuit is also connected to the output circuit, whereby heat generation in the LSI is decreased.