JPS593602U

JPS593602U - bandpass filter

Info

Publication number: JPS593602U
Application number: JP9760082U
Authority: JP
Inventors: 俊彦大井
Original assignee: 株式会社東芝
Priority date: 1982-06-29
Filing date: 1982-06-29
Publication date: 1984-01-11

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、この考案を説明するためのチェビシボッロー
パス特性フィルタの周波数応答特性を示す図、第２図は
チェビシェフローパス特性フィルタを示す回路図、第３
図はチェビシェフバンドパス特性フィルタの周波数応答
特性を示す図、第４図、第５図、第６図は、マイクロス
トリップラインによるキャパシティブギャップカップル
ドトランスミッションフィルタの構成を説明する図、第
７図は、この考案に係わる帯域群波器の共振器の一実施
例を示す平面図、第８図はこの考案に係わる帯域ｐ波器
の一実施例を示す回路図、第９図は、第８図のＢ−Ｂ断
面図、第１０図は同実施例における特性を示す図である
。１・・・入力端、２・・・出力端、３，４・・・短絡片
、５゜６・・・共振器、？、　　８．　９・・・ギャッ
プ、１０．１１・・・伝送路、１２・・・誘電体基板、
１３・・・接地パターン。　− 第３図゛第５図Fig. 1 is a diagram showing the frequency response characteristics of the Chebyshevro low-pass characteristic filter to explain this invention, Fig. 2 is a circuit diagram showing the Chebyshev low-pass characteristic filter, and Fig. 3 is a diagram showing the frequency response characteristics of the Chebyshev low-pass characteristic filter.
The figure shows the frequency response characteristics of a Chebyshev bandpass characteristic filter. Figures 4, 5, and 6 are diagrams explaining the configuration of a capacitive gap-coupled transmission filter using a microstrip line. FIG. 8 is a plan view showing an embodiment of the resonator of the band wave group wave device according to this invention, FIG. 8 is a circuit diagram showing an example of the band p wave device according to this invention, and FIG. The BB sectional view and FIG. 10 are diagrams showing characteristics in the same example. 1...Input end, 2...Output end, 3, 4...Short piece, 5゜6...Resonator, ? , 8. 9... Gap, 10.11... Transmission line, 12... Dielectric substrate,
13...Grounding pattern. - Figure 3 - Figure 5

Claims

[Scope of utility model registration request]

(1) In a bandpass filter having a resonator made of a microstrip line of a predetermined length, the microstrip line forming the resonator is processed into a U-shape, and the opposing part of the U-shaped microstrip line is A short-circuiting body is installed to short-circuit the microstrip line at the opposing part,
A band wave wave device characterized in that the frequency characteristics are made variable by changing the arrangement position of the short circuit body.

(2) The band waver according to claim 1, wherein the short-circuiting body is a rod-shaped body having a predetermined radius.

(3) The band waver according to claim (1), wherein the short-circuiting body is a plate-shaped body having a predetermined width.