New cavity dielectric cavity filter
A dielectric cavity and filter technology, applied in the field of reciprocal microwave devices, achieves the effects of good temperature characteristics, low loss and small volume
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[0050]Embodiments 1 to 3: A novel cavity dielectric cavity filter, comprising a cavity 1 and a dielectric resonator 2, the dielectric resonator is a cylinder 4 with a through hole 3; the dielectric resonator 2 consists of the following The component composition of mass percentage content is as shown in table 1:
[0051] Table 1
[0052]
[0053] One end of the dielectric resonator 2 is plated with a silver layer 5, and the other end of the dielectric resonator 2 is welded in the cavity 1;
[0054] The cavity 1 is composed of the following components in mass percentage as shown in Table 2:
[0055] Aluminum oxide calcium carbonate Lanthanum oxide Samarium oxide Example 1 95% 3% 1.5% 0.5% Example 2 95.5% 3% 1.1 % 0.4% Example 3 96% 2.5% 1 % 0.5%
[0056] The dielectric constant of the cavity 1 is 9.5.
[0057] The above-mentioned dielectric resonator 2 is composed of the following components in mass percentag...
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