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公开(公告)号：US4692725A
公开(公告)日：1987-09-08
申请号：US749185
申请日：1985-06-26
CPC分类号： H01P1/2056
摘要： A dielectric filter (FIG. 16) for frequencies higher than VHF band comprising a closed conductive housing (112), a pair of input and output means provided at both the extreme ends of said housing (112), a dielectric body (111) with a plurality of linear parallel grooves (118) arranged in said housing (112), a plurality of conductive linear means (113) with the length of approximately 1/4 wavelength mounted in said dielectric body (111) between said grooves (118) so that one end of said resonators (113) is fixed to the common plane of the housing (112), a capacitor means (114, 115) provided between the other end of resonators (111,113,118) and said conductive housing (112) so that an electrode (115) of said capacitor may be trimmed by a laser beam to adjust the resonating frequency of each of said resonators (111,113,118) and a plurality of conductive rods (137) provided in said grooves (118) for improving the spurious characteristics of the filter.
摘要翻译： 用于高于VHF频带的频率的介质滤波器（图16），包括封闭的导电壳体（112），设置在所述壳体（112）的两端的一对输入和输出装置，具有 布置在所述壳体（112）中的多个线性平行凹槽（118），多个导电线性装置（113），其长度约为1/4波长，安装在所述凹槽（118）之间的所述绝缘体（111）中，因此 所述谐振器（113）的一端固定在壳体（112）的公共平面上，设置在谐振器（111,113,118）的另一端和所述导电壳体（112）之间的电容器装置（114,115），使得 可以通过激光束对所述电容器的电极（115）进行修整，以调节每个所述谐振器（111,113,118）的谐振频率和设置在所述凹槽（118）中的多个导电棒（137），以改善所述谐振器 过滤。
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公开(公告)号：US4546333A
公开(公告)日：1985-10-08
申请号：US490881
申请日：1983-05-02
CPC分类号： H01P1/2056
摘要： A dielectric filter (FIG. 16) for frequencies higher than VHF band comprising a closed conductive housing (112), a pair of input and output means provided at both the extreme ends of said housing (112), a dielectric body (111) with a plurality of linear parallel grooves (118) arranged in said housing (112), a plurality of conductive linear means (113) with the length of approximately 1/4 wavelength mounted in said dielectric body (111) between said grooves (118) so that one end of said resonators (113) is fixed to the common plane of the housing (112), a capacitor means (114, 115) provided between the other end of resonators (111,113,118) and said conductive housing (112) so that an electrode (115) of said capacitor may be trimmed by a laser beam to adjust the resonating frequency of each of said resonators (111,113,118) and a plurality of conductive rods (137) provided in said grooves (118) for improving the spurious characteristics of the filter.
摘要翻译： 用于高于VHF频带的频率的介质滤波器（图16），包括封闭的导电壳体（112），设置在所述壳体（112）的两端的一对输入和输出装置，具有 布置在所述壳体（112）中的多个线性平行凹槽（118），多个导电线性装置（113），其长度约为1/4波长，安装在所述凹槽（118）之间的所述绝缘体（111）中，因此 所述谐振器（113）的一端固定在壳体（112）的公共平面上，设置在谐振器（111,113,118）的另一端和所述导电壳体（112）之间的电容器装置（114,115），使得 可以通过激光束对所述电容器的电极（115）进行修整，以调节每个所述谐振器（111,113,118）的谐振频率和设置在所述凹槽（118）中的多个导电棒（137），以改善所述谐振器 过滤。
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