发明名称 |
Multilayer dielectric evanescent mode waveguide filter utilizing via holes |
摘要 |
A multilayer dielectric evanescent mode waveguide bandpass filter with resonators utilizing via hole technology is capable of achieving very narrow bandwidths with minimal insertion loss and high selectivity at microwave frequencies is provided. The resonators may also be used as feed posts. A typical implementation of this filter is fabricated with soft substrate multilayer dielectrics with high dielectric constant ceramics. This filter typically takes up less space than other filters presently available. A typical implementation operates at a center frequency of 1 GHz, although other center frequencies, such as approximately 0.5 GHz to approximately 60 GHz, are achievable. The perimeter of the filter may be defined by via holes or plated slots.
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申请公布号 |
US6137383(A) |
申请公布日期 |
2000.10.24 |
申请号 |
US19990330899 |
申请日期 |
1999.06.11 |
申请人 |
MERRIMAC INDUSTRIES, INC. |
发明人 |
DE LILLO, ROCCO A. |
分类号 |
H01P1/205;H01P1/208;H01P1/219;H01P3/12;H01P3/16;(IPC1-7):H01P1/219 |
主分类号 |
H01P1/205 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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