Patent · US Expired

Systems and methods for common mode detection

US7538613B2 · kind B2 · utility

1Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2006
Grant dateMay 26, 2009
Priority date
Expiry dateFeb 28, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2200/513
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

Various systems and methods for common mode detection are disclosed. As one example, a common mode detection circuit including a differential input stage, a common mode replica stage, and an amplifier is disclosed. The differential input stage exhibits an input common mode, and includes two differential inputs. A signal from the differential input stage representing the input common mode is electrically coupled to an input of the amplifier. Another input of the amplifier is electrically coupled to the common mode replica stage, and the amplifier outputs a signal indicative of the input common mode.

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