Patent · US Active

Tunable quadrature oscillator

US9425739B1 · kind B1 · utility

1Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 2015
Grant dateAug 23, 2016
Priority date
Expiry dateJun 5, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03D2200/0078
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A tunable quadrature oscillator includes a first oscillator having an output, a second oscillator having an output, and a variable gain amplifier. The variable gain amplifier includes an input coupled to the output of the second oscillator, and an output inductively coupled to the output of the first oscillator.

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