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:
Jun. 06, 2017

Filed:

Jun. 04, 2015
Applicant:

Stmicroelectronics S.r.l., Agrate Brianza, IT;

Inventor:

Francesco Pirozzi, Gravina di Catania, IT;

Assignee:

STMicroelectronics S.r.l., Agrate Brianza, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04F 1/04 (2006.01); G06F 1/08 (2006.01); G06F 15/76 (2006.01); H03H 17/02 (2006.01);
U.S. Cl.
CPC ...
G06F 1/08 (2013.01); G06F 15/76 (2013.01); H03H 17/0292 (2013.01); H03H 2220/04 (2013.01);
Abstract

A digital filter with a pipeline structure includes processing structures timed by respective clock signals. Each processing structure in turn is formed by a number of processing modules for processing input samples. A phase generator aligns the processing modules with the input samples so that each input sample is processed by a respective one of the processing modules. An up-sampling buffer and a down-sampling buffer are used when the processing structures operate at different clock frequencies (thus implementing different clock domains) so as to convert signal samples between the clock domains for processing in the processing structures.


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