Patent · US Expired

Circuit for calibrating a resistance

US6946849B1 · kind B1 · utility

11Cited by
2References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 15, 2004
Grant dateSep 20, 2005
Priority date
Expiry dateJun 15, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2203/45702
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A circuit for calibrating a resistance between a first circuit node and a second circuit node is disclosed. The circuit comprises a reference resistor connected between first and second reference nodes; a first transistor having a first current-handling terminal connected to the first reference node, a second current-handling terminal, and a first control terminal; and a second transistor having a third current-handling terminal connected to the first circuit node, a fourth current-handling terminal connected to the second circuit node, and a second control terminal connected to the first control terminal.

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