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:
Jan. 10, 2017

Filed:

Apr. 01, 2016
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Takuji Miki, Osaka, JP;

Junichi Naka, Osaka, JP;

Toshiaki Ozeki, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/36 (2006.01); H03M 1/12 (2006.01); H03M 1/08 (2006.01);
U.S. Cl.
CPC ...
H03M 1/1215 (2013.01); H03M 1/0836 (2013.01);
Abstract

A time-interleaved analog-to-digital (AD) converter includes: N AD converters; a frequency divider that receives a clock signal and applies 1/N frequency division N to the received clock signal to generate N frequency-divided clock signals to be supplied to the N AD converters; at least (N−1) variable delay circuit that adjusts delay time for at least (N−1) frequency-divided clock signal; a low pass filter circuit or an input buffer circuit that receives the clock signal and limits a frequency band of the received clock signal to generate a reference signal; and a control circuit that controls the delay time of the at least (N−1) variable delay circuit, and decreases one or more differences among digital output values output from the N AD converters when the reference signal is input to the N AD converters.


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