Patent · US Expired

Precision frequency source using integrated circuit elements

US4278947A · kind A · utility

5Cited by
11References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 1979
Grant dateJul 14, 1981
Priority date
Expiry dateSep 17, 1999

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03L7/08
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a feedback regulated oscillator which comprises a reference signal source, a variable local oscillator, a converter responsive to the variable local oscillator for developing a signal, compatible with the signal of the reference source, having a magnitude which is responsive to the frequency of the local oscillator, and a comparator, responsive to the reference signal source and to the converter, for controlling the frequency of the variable local oscillator.

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