Low noise voltage-controlled oscillator
US7362192B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2005 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Jan 25, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B2202/012
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
Oscillator circuits for reducing phase noise are described in this disclosure. In one embodiment, an oscillator circuit includes a pair of cross-coupled transistors, including a first transistor and a second transistor, a first inductor in communication with a control terminal of the first transistor and an output terminal of the second transistor, a second inductor in communication with a control terminal of the second transistor and an output terminal of the first transistor, and a tank circuit in communication with the first inductor and the second inductor, where the tank circuit comprises a tank inductor and a variable capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.