Design structure for an automated real-time frequency band selection circuit for use with a voltage controlled oscillator
US7675367B2 · kind B2 · utility
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10References
5Claims
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Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | May 26, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03L2207/06
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A design structure for an integrated circuit including a phase-locked loop (PLL) circuit responsive to a voltage controlled oscillator (VCO) frequency band selection circuit that provides automatic frequency band selection in real time to account for run-time variations, such as power supply and temperature variations over time. The PLL includes a charge pump and an LC tank circuit that provides the automatic frequency band selection based on a VCO control voltage signal supplied by the charge pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.