System and method for an ultra low noise micro-wave coaxial resonator oscillator using ⅝ths wavelength resonator
US6859118B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 2, 2003 |
| Grant date | Feb 22, 2005 |
| Priority date | — |
| Expiry date | Jan 3, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B5/1805
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A system and method for a novel microwave coaxial resonator oscillator using a ⅝ths wavelength resonator is described. The novel system and method provides a coaxial resonator for operation at high frequencies comprising a conductive resonator and a coaxial conductive outer shell electrically connected by an conductive end member, wherein the conductive resonator and outer shell are of a length approximately equal to (1/8+n/2) of the wavelength of the desired frequency, where n is a positive integer. The novel system and method provides a low noise oscillator for operation at high frequencies and reduces oscillator phase noise in high Q implementations.The novel system and method also provides for reducing the aspect ratio of a 1/8 wavelength coaxial resonator by increasing in a stepwise manner the length of the coaxial resonator by n/2 wavelengths of the resonator frequency, where n is a positive integer. Furthermore, the novel system and method provides for reducing higher order modes in a 1/m wavelength coaxial resonator, operating at a high frequency, by increasing in a stepwise manner the length of the 1/m wavelength coaxial resonator by n/2 wavelengths of the resonator freque…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.