Patent · US Expired

Differential amplifier circuit capable of accurately amplifying even high-speeded signal of small amplitude

US7233172B2 · kind B2 · utility

24Cited by
4References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 2002
Grant dateJun 19, 2007
Priority date
Expiry dateFeb 12, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K5/2481
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A differential amplifier circuit has a latch unit and a differential input portion. A minute current is kept to flow through the differential input portion. Therefore, the differential amplifier circuit can accurately amplify even a signal high in speed and small in amplitude.

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