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. 12, 1988
Filed:
Jul. 13, 1987
Derek Bray, Los Altos, CA (US);
Other;
Abstract
A complementary differential amplifier comprising a first and a second pair of complementary bipolar transistors, each of said transistors having a base, emitter and a collector, a resistor network for coupling said emitters, a first and a second level shift bias network, a resistor network for coupling said first and said second level shift bias networks to the bases of said first and said second pair of complementary transistors, a constant current source coupled between the level shift bias networks and a source of a first reference potential and a reference current generator coupled to the current source for generating a reference bias current for said first and said second level shift bias networks which is proportional to absolute temperature.