System and method for improved MEMS oscillator startup
US9118334B2 · kind B2 · utility
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4References
8Claims
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Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jul 4, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03B2200/0094
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A MEMS resonator system comprises a MEMS resonator, kick start circuitry, feedback circuitry, an oscillator, and a switch. The MEMS resonator system is configured to provide a pulsed kick-start signal having a frequency and period such that energy delivered to the MEMS resonator is optimized in a short period of time, resulting is reduced oscillator startup time. The MEMS resonator system is configured to switch out the kick-start signal when the MEMS resonator oscillation has been achieved, and switch in feedback circuitry to maintain the MEMS resonator in a state of oscillation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.