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:
Sep. 03, 1996
Filed:
Dec. 29, 1994
Applicant:
Inventor:
Madhav V Kolluri, Sunnyvale, CA (US);
Assignee:
Maxim Integrated Products, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ; H03K / ; H03K / ; H03K / ;
U.S. Cl.
CPC ...
327560 ; 327563 ; 327576 ; 327484 ; 327108 ; 327112 ; 330262 ; 330263 ;
Abstract
A high input impedance common-emitter amplifier stage is disclosed. This amplifier stage utilizes a transistor to buffer the base drive from the input stage of a Darlington circuit. This buffer action increases the input impedance of the common-emitter stage by a factor of beta (.beta.) of the buffering transistor. Various embodiments are disclosed.