Patent · US Expired

Crosspoint bias circuit arrangement

US4096399A · kind A · utility

15Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 1977
Grant dateJun 20, 1978
Priority date
Expiry dateMar 28, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03K17/68
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A semiconductor transmission circuit arrangement which utilizes symmetrical transmission transistors and bias circuitry which exhibits a high output impedance and is arranged to maintain equal d.c. bias currents in the base and the emitter/collectors of the transmission transistor. A multiple collector transistor is utilized as a primary current source and a current mirror circuit is used as a control arrangement.

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