| 摘要 |
A piezoelectric circuit has a base crystal with electroplated electrodes, at least one of which has a beta emitter such as Nickel 63 vacuum plated thereon to provide a self-powering capability. The size of the radioactive power source will be selected to enable the resonator to function without the benefit of an external power source for some applications. In other instances, the radioactive power source will be sized to enable the resonator to produce higher amplitude output to reduce the level of phase noise and improve resolution.
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