| 摘要 |
PURPOSE:To allow the converter to cope quickly with various different applications by constituting the converter consisting of a filter main body and also a filter element forming a filter added with a coupling loop and a coupling lead simply. CONSTITUTION:The filter 5 passing a desired UHF signal only consists of the filter main body 11 and the filter element 18 assembled selectively. Furthermore, the main body 11 consists of a cavity 12, an inductor 16 and a variable capacitor 17 and the element 18 is constituted by providing additionally the coupling loop 24 and the coupling lead 23 to a base 19 respectively. Then the loop 24 of the element 18 is coupled to the inductor 16 while the element 18 is fitted to the main body 11. The shape of elements 18 is made different so as to obtain a filter characteristic with different pass band width in constituting the filter with the elements 18 assembled selectively to the main body 11. |
