Patent · US Active

Reference frequency control circuit

US7911285B2 · kind B2 · utility

5Cited by
5References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 24, 2009
Grant dateMar 22, 2011
Priority date
Expiry dateMay 18, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03B5/368
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A reference frequency control circuit comprising: a frequency voltage converting circuit configured to receive an oscillation signal from an oscillator circuit, and output an output voltage corresponding to a frequency of the oscillation signal, the oscillator circuit being a circuit configured to oscillate at a frequency corresponding to a level of an input signal; and a control circuit configured to control a level of the input signal so that the output voltage is at a predetermined level.

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