Patent · US Expired

Delta-sigma modulator using LC resonators

US7057541B1 · kind B1 · utility

9Cited by
6References
18Claims
0Family size

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Inventor

Key dates

Filing dateNov 29, 2004
Grant dateJun 6, 2006
Priority date
Expiry dateNov 29, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M3/438
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A bandpass continuous-time delta-sigma modulator. The filters of the modulator are LC resonators directly connected in series. Direct connection of the resonators eliminates the need for active components in the modulator, increases linearity and decreases noise.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.