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.

Date of Patent:
Feb. 14, 2017

Filed:

Mar. 13, 2014
Applicant:

Applied Micro Circuits Corporation, Sunnyvale, CA (US);

Inventors:

Luca Ravezzi, San Francisco, CA (US);

Qawi Harvard, San Jose, CA (US);

Hamid Partovi, Los Altos, CA (US);

Assignee:

APPLIED MICRO CIRCUITS CORPORATION, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/165 (2006.01); G01R 19/00 (2006.01); G06F 1/26 (2006.01);
U.S. Cl.
CPC ...
G01R 19/16552 (2013.01); G01R 19/0007 (2013.01); G06F 1/26 (2013.01);
Abstract

Various aspects provide a high frequency voltage supply monitor capable of monitoring high frequency variations of the voltage supply inside a microelectronic circuit substantially in real time. The voltage supply monitor can comprise a differential amplifier circuit having a substantially constant gain over a wide bandwidth, allowing the supply voltage variations to be amplified according to a known gain under a wide range of conditions. The amplified signal can then be sent to an output port for monitoring and measurement by an external display device.


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