Dielectric filter and dielectric duplexer
A dielectric filter and duplexer technology, applied in waveguide devices, resonators, electrical components, etc., can solve problems such as differences in the characteristics of electrodes or electrical probes of dielectric filters, and achieve the effect of increasing dielectric strength
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[0025] now refer to figure 1 , an embodiment of the dielectric filter according to the present invention will be described below. figure 1 is the perspective of the dielectric filter 10 according to the present invention picture . in the picture In , the upper cover 14 is removed so that the internal structure can be seen.
[0026] The dielectric filter 10 includes a shielded cavity frame 11 , a disk-shaped dielectric 12 and an external coupling device 20 . The shield cavity frame 11 is formed of metal, and external connectors 13 are attached thereto so that signals are output to or input from the outside through cables. The external coupling means 20 are connected to the respective external terminals 13 by solder. Each dielectric 12 is formed of ceramics in a disk shape, and electrodes are formed on the dielectric by applying and baking silver paste on both relevant surfaces. The lower surface of each dielectric 12 is fixed to the inner bottom surface of the shield ...
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