Reference frequency control circuit
US7911285B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 24, 2009 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | May 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.