Voltage-controlled capacitor circuit and related circuitry with diode and MOS varactors
US7242243B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jul 4, 2002 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | May 20, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B5/1253
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A voltage-controlled capacitor circuit and related circuitry. The voltage-controlled capacitor circuit includes a metal-oxide semiconductor (MOS) varactor, a diode varactor, and/or a capacitor with fixed capacitance. The MOS varactor, the diode varactor and the capacitor are electrically connected in parallel or in series to form a capacitor with a preferred characteristic of voltage-controlled capacitance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.