Patent · US Expired

Offset reduction in unity gain buffer amplifiers

US4639685A · kind A · utility

10Cited by
1References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1985
Grant dateJan 27, 1987
Priority date
Expiry dateJul 18, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F3/50
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

Unity gain buffer amplifier circuits having a reduced input-to-output offset voltage characteristic are described. Compensation for the effects of base-to-emitter voltage variations and early voltage is employed.

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