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:
Oct. 05, 2004
Filed:
Feb. 06, 2003
Applicant:
Inventors:
Robert M. Smith, Scottsdale, AZ (US);
C. Phillip McClay, Fountain Hills, AZ (US);
Robert T. Carroll, Andover, MA (US);
Assignee:
Primarion, Inc., Tempe, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/36 ;
U.S. Cl.
CPC ...
H03F 1/36 ;
Abstract
Disclosed is a four stage transimpedance amplifier having a grounded base transistor preamplifier input stage, a common emitter voltage amplifier stage, and an amplifier stage having a common collector transistor, an output buffer stage, and a bias circuit coupled to the preamplifier stage to prevent the grounded base transistor from going into saturation.