Patent · US Expired

Differential circuit and receiver with same

US7339421B2 · kind B2 · utility

2Cited by
5References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 30, 2003
Grant dateMar 4, 2008
Priority date
Expiry dateFeb 25, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F3/4521
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A differential circuit including a differential amplifier circuit having a differential element provided in a signal input circuit, a constant current source connected to the differential element, and loads respectively connected to the differential element, and a source follower circuit that outputs a differential voltage based on voltage drops developing across the loads, includes a current supply circuit that supplies a given current to the loads connected in series with the differential element when the differential element is off.

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