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:
Aug. 05, 2003
Filed:
Aug. 17, 1998
Florin A. Oprescu, Sunnyvale, CA (US);
Linear Technology Corporation, Milpitas, CA (US);
Abstract
The invention provides apparatus and methods for generating the coefficients of a finite impulse response digital filter used in signal sample rate conversion. Sequence generation circuitry provides a discrete-time sequence x(n) that is coupled to a plurality of cascaded discrete-time integrators that generate the filter coefficients h(n). Bit serial and interleaved bit serial implementations are described that provide efficient coefficient generators. The described apparatus and methods also may be used to efficiently implement a finite impulse response digital filter for an oversampling analog-to-digital converter.
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