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a hole in the cavity metal filter

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bigfish

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a hole in the cavity metal filter.the hole 's diameter is 3mm.the filter 's center frequency is 1.9G ,will the signal can let out from the hole???
 

it canot leak out from the cavity,but maybe it can radiate from the cavity,
sbut the intensity of the radiation is weak,so donot mind,but y should becareful that this hole maybe influence your function of cavity filter!
 

this hole does not ininfluence function of cavity filter!I feel it is good for me to test filter in humid air.dou you have any good idea for Static Humidity testing.
And the hole 's position 's problem ....which position is the best on the cavity ????
 

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