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:
May. 21, 2019

Filed:

Apr. 16, 2015
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;

Inventors:

Chao Chieh Li, Hsinchu, TW;

Ruey-Bin Sheen, Taichung, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/08 (2006.01); H03M 1/10 (2006.01); G01R 29/26 (2006.01);
U.S. Cl.
CPC ...
G01R 29/26 (2013.01); H03M 1/08 (2013.01); H03M 1/109 (2013.01);
Abstract

A flicker noise measurement circuit includes a first section. The first section includes a plurality of first stages connected in series. The first section includes a first feedback switching element configured to selectively feedback an output of the plurality of first stages to an input of the plurality of first stages. The first section includes a first section connection switching element. The flicker noise measurement circuit includes a second section connected to the first section. The second section includes a plurality of second stages connected in series, wherein the first section connection switching element is configured to selectively connect the plurality of second stages to the plurality of first stages. The second section includes a second feedback switching element configured to selectively feedback an output of the plurality of second stages to the input of the plurality of first stages.


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