| 摘要 |
A cavity filter includes a slider, a driving device, an adapter and a resilient member. The slider is used to slide relative to and couple with a plurality of resonators located in the cavity filter to change a resonating frequency of the cavity filter. The driving device is used to drive the slider slide relative to the plurality of resonators. The adapter is installed between the slider and the driving device. The resilient member is elastically connected between the slider and the adapter and used to absorb vibrations of the driving device to make the slider move on an even keel.
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