Patent · US Expired

Circuit for increasing voltage gain

US4560948A · kind A · utility

2Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1984
Grant dateDec 24, 1985
Priority date
Expiry dateJul 12, 2004

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F3/343
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

An operational amplifier having an input stage, a voltage gain stage, a current gain or buffer stage and a feedback connected between the output of the buffer stage for supplying to the voltage gain stage a current which varies in proportion to the voltage gain stage output to increase the output impedance of the voltage gain stage.

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