| 摘要 |
The invention pertains to an oscillator with a resonator element and a control element for adjusting the resonant frequency of the resonator element to a plurality of different values, wherein the resonator element consists of at least one resonator. The control element can be realized as a control layer for controlling the propagation speed of the acoustic wave in the resonator. The control element can alternatively be constructed as a switch element and be used for switching different sub-branches of a resonator element constructed as a resonator magazine or a resonator bank. A trimming element, with which fine-tuning of the oscillator frequency is possible, is preferably also provided.
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