Patent · US Expired

Self-oscillation mixer circuits

US4160953A · kind A · utility

19Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 1978
Grant dateJul 10, 1979
Priority date
Expiry dateMar 13, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03D7/12
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A self-oscillation mixer circuit includes a cascade amplifier circuitry which is composed of a first transistor of a common emitter connection having a collector connected to an emitter of a second transistor of a common base connection, a filter circuitry for deriving an intermediate frequency signal and a resonance circuit adapted to resonate at a local oscillation frequency being connected to the collector of the second transistor and a feedback circuitry connected between the resonance circuitry and the emitter of the first transistor.

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