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:
May. 28, 2002
Filed:
Feb. 05, 2001
Applicant:
Inventors:
Kevin Scott Buescher, Colorado Springs, CO (US);
James Harold Lauffenburger, Colorado Springs, CO (US);
John William Arachtingi, Colorado Springs, CO (US);
Assignee:
EM (US) Design, Inc, Colorado Springs, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/08 ;
U.S. Cl.
CPC ...
H03F 3/08 ;
Abstract
An amplifier circuit ( ) for a photodetector includes a transconductance variable gain stage ( ). The transconductance variable gain stage ( ) has an input ( ) capable of connecting to the photodetector and an output ( ). A transconductance gain stage ( ) has an input ( ) connected to the output ( ) of the transconductance variable gain stage ( ). A feedback resistor ( ) is connected between an output ( ) of the transconductance gain stage ( ) and the input ( ) of the transconductance gain stage ( ).