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. 26, 2020
Filed:
Oct. 11, 2018
Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Wooram Lee, Briarcliff Manor, NY (US);
Jonathan E. Proesel, Mount Vernon, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/08 (2006.01); H03F 1/34 (2006.01); H03F 3/45 (2006.01);
U.S. Cl.
CPC ...
H03F 1/34 (2013.01); H03F 3/45085 (2013.01); H03F 2203/45034 (2013.01); H03F 2203/45288 (2013.01);
Abstract
An integrated circuit includes a degeneration network configured to improve group delay across one or more variations, wherein the degeneration network includes a transimpedance amplifier with one or more degeneration inductors. The transimpedance amplifier further includes one or more transistors, and the one or more degeneration inductors are connected after at least one emitter of the one or more transistors.