JPS61304U

JPS61304U - polar filter

Info

Publication number: JPS61304U
Application number: JP8152785U
Authority: JP
Inventors: 勲夫泉; 行博加藤
Original assignee: 日本電気株式会社
Priority date: 1985-05-30
Filing date: 1985-05-30
Publication date: 1986-01-06

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のインターデイジタル型帯域通過戸波器の
斜視図を示し、第２図は帯域癲過枦波器の減衰特性規格
を示すもので、ａは従来の無極型枦波器の場合、ｂは本
考案による有極型戸波器の場合を示す。第３図は本考案の第１の実施例としてのｐ波器の斜視図
、第４図は第３図の戸波器の等価回路を示す。第５図はｐ波器の減衰特性を示すもので、実線は従来の
無極型の場合、破線は本考案の有極型の場合を示す。第６区は本考案の第２の実施例としての沖波器の斜視図
、第７図は第６図の枦波器の減衰特性を示す。なお図面に使用した符号のうちの主なるものはそれぞれ
以下のものを示している。１・・・入カコネクタ、２・・・結合素子、３・・・共
振素子、４・・・外部導体、５・・・出力コネクタ、６
・・・入力側帯域外周波数共振素子、７・・・出力側帯
域外周波数共振素子。Fig. 1 shows a perspective view of a conventional interdigital type band-pass transducer, and Fig. 2 shows the attenuation characteristic standard of a band-pass transducer. b shows the case of a polarized door breaker according to the present invention. FIG. 3 is a perspective view of a p-wave device as a first embodiment of the present invention, and FIG. 4 shows an equivalent circuit of the p-wave device of FIG. 3. FIG. 5 shows the attenuation characteristics of the p-wave device, where the solid line shows the conventional non-polar type, and the broken line shows the polarized type of the present invention. Section 6 is a perspective view of a wave device as a second embodiment of the present invention, and FIG. 7 shows the attenuation characteristics of the wave device of FIG. The main symbols used in the drawings indicate the following. DESCRIPTION OF SYMBOLS 1... Input connector, 2... Coupling element, 3... Resonance element, 4... External conductor, 5... Output connector, 6
... Input side out-of-band frequency resonant element, 7... Output side out-of-band frequency resonant element.

Claims

[Scope of utility model registration request]

In a semi-coaxial type band-pass waver, the two elements coupled to each of the input coupling element and the output coupling element of the band-pass waver
A pair of out-of-band resonant elements are attached to the space between the input coupling element and the output coupling element, and are located in opposite spaces, respectively, and are located on the outer side opposite to the grounded outer wall surface of the input coupling element and the output coupling element. A polarized door door that is grounded to a wall and has an attenuation pole outside the band.