Cavity balanced device

The utility model relates to a cavity balanced device, including cavity filter, cavity filter's signal input, output symmetrical arrangement, and this signal input, output all be connected with the isolator, cavity filter, isolator link firmly on the bottom plate, cavity filter in the symmetry be provided with the tuning block, the tuning block include tuner and signal transmission spare, the tuner include resonance bar with be located tuning screw and the countersunk screw that the upper and lower end branch of resonance bar was put, set up first medium cover between resonance bar and the tuning screw. Stable in structure, the transmission signal loss is little, and the tuning block is effectively protected. 本实用新型涉及种腔体均衡器，包括腔体滤波器，腔体滤波器的信号输入、输出端对称布置，且该信号输入、输出端均连接有隔离器，所述的腔体滤波器、隔离器固连于底板上，所述的腔体滤波器内对称设置有调谐组件，所述的调谐组件包括调谐器与信号传递件，所述的调谐器包括谐振杆和位于谐振杆上、下端分置的调谐螺钉与沉头螺钉，谐振杆与调谐螺钉之间设置第介质套。结构稳定，传输信号损耗小，且调谐组件得到有效保护。