JPS5846701A - Waveguide band stop filter - Google Patents
Waveguide band stop filterInfo
- Publication number
- JPS5846701A JPS5846701A JP14412481A JP14412481A JPS5846701A JP S5846701 A JPS5846701 A JP S5846701A JP 14412481 A JP14412481 A JP 14412481A JP 14412481 A JP14412481 A JP 14412481A JP S5846701 A JPS5846701 A JP S5846701A
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- resonators
- frequencies
- band
- axial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
- H01P1/209—Hollow waveguide filters comprising one or more branching arms or cavities wholly outside the main waveguide
Abstract
Description
【発明の詳細な説明】
本発明ｄ矩形導波管の儒ＷＪＫ共振ａｔ結合した導波管
帯域阻止ろ波器に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a waveguide band-stop filter coupled with a WJK resonance of a rectangular waveguide.
従来、矩形導波管の側面に共振器を結合しえ導波管帯域
阻止ろ波器は、第１ＩＩシよび第２図に示すように導波
管の一側面まえは導波管の両側面に同一共振周波数を有
する共振器を結合して構成していた。すなわち、三段帯
域阻止る波器の場合、導波管本体１の側面の片側まｆｔ
は両側の結合ｓ５゜６．７にシいて同一共振周波数を有
すゐ３つの共振器２，３．４を結合する。共振器２，３
．４６導波管軸方向におけｂ間隔は約λｇ／４また社そ
の奇数倍としている。Conventionally, in a waveguide band-stop filter in which a resonator is coupled to the side surface of a rectangular waveguide, one side of the waveguide is connected to both sides of the waveguide, as shown in FIGS. It was constructed by combining resonators with the same resonant frequency. In other words, in the case of a three-stage band-stop wave device, one side of the waveguide body 1 is
couples three resonators 2, 3.4 having the same resonant frequency by coupling s5°6.7 on both sides. Resonator 2, 3
．． The spacing b in the axial direction of the 46 waveguides is approximately λg/4 or an odd multiple thereof.
このような帯域阻止ろ波器で２つの周波数を阻止する場
合Ｋｔｉ第３図に示すように各々の周波数に対す為共振
器を導波管の軸方向に並ぺて配置し良構造としてい大、
すなわち２つの阻止する周波数を第４図に＆けるｆｌと
ｆｌとすると、導波管本体１に結合部５．・、、７で結
合するほぼλｇ／４０間隔で配置された共振器２，３．
４で周波数ｆ１ の三段帯域阻止る波器を構成し、ま
光導波管本体１に結合ｗＡ１１，１２．１３で結合する
はぼ２ｇ７４（）間隔で配置された共振器８，１，１＠
で周波数ｆ、の三段帯“城狙止る波器を構成する。第３
１１のろ波ＩｓＩ！ｉ全体として第４図に示すように１
鵞り０ｊｌＩｆＩＩ１．数ｆ１とｆｌで減衰する周波数
特性を示す、ζＯろ波器Ｏ導波管軸方向の長さは共振器
４と共Ｉｌｌ自虐の間隔をｔ七するとλｇ＋ｔ（すｔわ
ち１ぎ／４×冨十１＋λｇ／４×鵞）となシ、軸方向の
寸法が大きくなるという欠点があつえ。When blocking two frequencies with such a band-stop filter, the resonators for each frequency are placed side by side in the axial direction of the waveguide as shown in Figure 3, and a good structure is used. ,
That is, if the two frequencies to be blocked are fl and fl shown in FIG. Resonators 2, 3, .
The resonators 8, 1, and 1 are arranged at intervals of 2g and 74 (), and are coupled to the optical waveguide body 1 by wA11, 12.13.
A three-stage wave device with frequency f, which stops at the castle, is constructed.
11 Filter IsI! i as a whole is 1 as shown in Figure 4.
Goose0jlIfII1. The length of the ζO filter O waveguide in the axial direction, which exhibits a frequency characteristic that is attenuated by the number f1 and fl, is the same as that of the resonator 4.If the interval of masochism is t7, then λg+t (that is, 1/4× (11 + λg/4 x 100%) and the disadvantage is that the axial dimension becomes larger.
本発明はこのよりｔｋＮ１１１ｉＫ着目してなされたも
Ｏであって、その目的ｔｔｚ以上の多段帯域阻止ろ波器
を構成する場合、導波管の軸方向の寸法を殻かくし丸帯
域阻止る波器を提供するととにある。The present invention has been made with a focus on tkN111iK, and its purpose is to block a round band by hiding the axial dimension of the waveguide when constructing a multi-stage band-stop filter of ttz or more. It is said to provide.
上記目的を達成するために、本発明による帯域阻止ろ波
器は矩形導波管側面に共振器管結合し良導波管帯域阻止
る波器ＫｓＰｖ−ｈて、矩形導波管の軸方向のはげ同一
位置で矩形導波管の２以上の側面にそ、れぞれ異１に為
共振周波数をもつ共振器を結合するように構成したもＯ
てあム。In order to achieve the above object, the band-stop filter according to the present invention has a resonator tube coupled to the side surface of the rectangular waveguide to effectively eliminate the waveguide band. It is also possible to connect resonators having different resonant frequencies to two or more sides of a rectangular waveguide at the same location.
Team.
従って、本発明による帯域阻止ろ波器では導波管軸方向
の寸法を短かく構成できる。Therefore, in the band-stop filter according to the present invention, the dimension of the waveguide in the axial direction can be shortened.
以下、図面を参照して本発明によるろ波器をさらに詳細
に説明する。Hereinafter, the filter according to the present invention will be explained in more detail with reference to the drawings.
第Ｓ図は本発明によゐろ波器の一実施例を示す図である
。導波管１の側面の結合部Ｓ、 ＠、 ７に第１の共
振周波数ｆ１をもつ共振器２．３．４ｆｒ結合して三段
帯域阻止る波器を構成し、導波管の側面の結合部１１，
１２．１３に第２の共振周波数ｆ３を４つ共振−・、Ｓ
、１０を結合して三段帯域阻止ろ波器を構成する。FIG. S is a diagram showing an embodiment of a filter according to the present invention. A resonator 2.3.4fr having the first resonant frequency f1 is coupled to the coupling part S, @, 7 on the side surface of the waveguide 1 to constitute a three-stage band-stop wave device. coupling part 11,
12. Resonate four second resonance frequencies f3 at 13 -..., S
, 10 are combined to form a three-stage band-elimination filter.
共振器２とＩｔ、 ３と１，４と１０とけそれぞれ導波
管の軸方向でにほぼ同一の位置で対向する側面に配置す
る。共振器２〜４と、共振器８〜１゜とは共振周波数が
異なっているので結合することなく、全体的Ｋｔｊ第４
図に示すようＫｆｌとｆ。Resonators 2 and It, 3 and 1, and 4 and 10 are respectively arranged at substantially the same position in the axial direction of the waveguide and on opposing sides. Since resonators 2 to 4 and resonators 8 to 1° have different resonance frequencies, they are not coupled, and the overall Ktj 4th
Kfl and f as shown in the figure.
とで減衰する周波数特性を示す。このように構成・する
ととｋよ）軸方向の寸法はλｇ／２（すなわちλｇ／１
ｘｚ） とな９、従来のものと比べてその１／２ 以
下となる。It shows the frequency characteristics that are attenuated by and. With this configuration, the axial dimension is λg/2 (i.e. λg/1)
xz) 9, which is less than 1/2 that of the conventional one.
上記の実施例でｒｔｒつの三段帯域阻止ろ波器を導波管
の鵞つの側面に配置した例を示したが、個々ＯＩＦ城阻
止る波器の段数を費えることもできる。Although the above embodiment shows an example in which RTR three-stage band-stop filters are arranged on the side of the waveguide, it is also possible to use a number of stages of wave filters that block individual OIF filters.
また、導波管の３以上の側面を利用するととＫより３以
上の周波数の多段帯域阻止ろ波器を構成することもでき
る。Moreover, if three or more side surfaces of the waveguide are used, a multistage band-stop filter having frequencies of three or more than K can be constructed.
さらに、共振器として灯、導波管形に限らず同軸形など
他の構造のものも適用てきる。Furthermore, the resonator is not limited to a light or waveguide type, but other structures such as a coaxial type can also be used.
以上説明したように本発明では矩形導波管の軸方向でｔ
ｉＰｌぼ同一の位置で、導波管の鵞以上の側ｔｉＫそれ
ぞれＪｌ！なる共振周波数の共振器を結合することによ
）鵞以上の周波数で減衰をも゛つ帯゛城阻止ろ波器を導
波管の軸方向の寸法を短かくして構成できる。As explained above, in the present invention, t in the axial direction of the rectangular waveguide
At the same position as iPl, the higher side of the waveguide tiK respectively Jl! By coupling resonators with different resonant frequencies, it is possible to construct a band-stopping filter that has attenuation at frequencies higher than 100% by shortening the axial dimension of the waveguide.
第１図および第２図は従来の帯域阻止る波器の異なる例
を示す図であり、第１図（ａ）＞よび第′２図（ａ）は
それ゛ぞれの側面図、第１図（ロ）およＵ第２図（ロ）
はそれぞれの正面図である。 ′
第３図Ｆｉ２つの周波数で減衰特性をもつ従来の！＃阻
止ろ波器の側面図である。 −・第４′図ｔｆ２つの周
波数で減衰特性を１つ帯域阻止ろ波器の特性図である。
° □−７、゛ 第５５ｉ５は本発明の実施例を
・示す側面図である。
１・・・矩形導波′管 ・
′ ２シ４．８〜１０′の・・共振器
−５〜Ｆ、・１１〜１′３・・・結合部特許出願人 日
本電気株式会社
代理人 弁理士 井 ノ ロ 壽
才１図
（ａ）（ｂ）
２２図
（島） 化）：
ォ３図
↑Ｉ Ｔ２ ｇ、−３菫
第５図FIGS. 1 and 2 are diagrams showing different examples of conventional band-stop wave devices, and FIGS. 1(a) and 2(a) are side views, respectively. Figure (B) and U Figure 2 (B)
are front views of each. ' Fig. 3 Fi Conventional model with attenuation characteristics at two frequencies! #Is a side view of a blocking filter. Figure 4' is a characteristic diagram of a band-elimination filter with one attenuation characteristic at two frequencies. ° □-7,゛ No. 55i5 is a side view showing an embodiment of the present invention. 1... Rectangular waveguide '2' 4.8 to 10'... Resonator -5 to F, 11 to 1'3... Coupling portion Patent applicant NEC Corporation Agent Patent attorney Shi I no Ro Jusai Figure 1 (a) (b) Figure 22 (Island): Figure 3 ↑ I T2 g, -3 Sumire Figure 5
Claims (1)
器において、矩形導波管の軸方向のほぼ同一位置で矩形
導波管の２以上の側面にそれぞれ異なる共振周波数をも
つ共振器を結合し九ことｔ特徴とする導波管帯域阻止ろ
波器。In a wave device that blocks a good waveguide band by coupling a resonator to the side surface of a rectangular waveguide, two or more sides of the rectangular waveguide have different resonance frequencies at approximately the same position in the axial direction of the rectangular waveguide. A waveguide band-stop filter coupled with a resonator and characterized by nine features.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14412481A JPS5846701A (en) | 1981-09-11 | 1981-09-11 | Waveguide band stop filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14412481A JPS5846701A (en) | 1981-09-11 | 1981-09-11 | Waveguide band stop filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5846701A true JPS5846701A (en) | 1983-03-18 |
Family
ID=15354749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14412481A Pending JPS5846701A (en) | 1981-09-11 | 1981-09-11 | Waveguide band stop filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5846701A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4780693A (en) * | 1986-11-12 | 1988-10-25 | Hughes Aircraft Company | Probe coupled waveguide multiplexer |
| JPH0390072U (en) * | 1989-12-28 | 1991-09-13 | ||
| JPH0574005U (en) * | 1992-03-10 | 1993-10-08 | 日本電信電話株式会社 | Waveguide blocking cavity resonator |
| ITMI20130710A1 (en) * | 2013-04-30 | 2014-10-31 | Consiglio Nazionale Ricerche | ELECTRONIC FILTER IN WAVE GUIDE WITH CAVITY 'RISONANTI A HIGH COUPLING. |
| CN104868211A (en) * | 2015-05-27 | 2015-08-26 | 中国电子科技集团公司第二十七研究所 | Tunable high power waveguide band-stop filter |
| US10992285B2 (en) | 2018-11-07 | 2021-04-27 | Fujitsu Limited | Group delay compensation filter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52117540A (en) * | 1976-03-29 | 1977-10-03 | Mitsubishi Electric Corp | Manufacture of filter |
-
1981
- 1981-09-11 JP JP14412481A patent/JPS5846701A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52117540A (en) * | 1976-03-29 | 1977-10-03 | Mitsubishi Electric Corp | Manufacture of filter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4780693A (en) * | 1986-11-12 | 1988-10-25 | Hughes Aircraft Company | Probe coupled waveguide multiplexer |
| JPH01501750A (en) * | 1986-11-12 | 1989-06-15 | ヒユーズ・エアクラフト・カンパニー | Probe-coupled multiplexer |
| JPH0390072U (en) * | 1989-12-28 | 1991-09-13 | ||
| JPH0574005U (en) * | 1992-03-10 | 1993-10-08 | 日本電信電話株式会社 | Waveguide blocking cavity resonator |
| ITMI20130710A1 (en) * | 2013-04-30 | 2014-10-31 | Consiglio Nazionale Ricerche | ELECTRONIC FILTER IN WAVE GUIDE WITH CAVITY 'RISONANTI A HIGH COUPLING. |
| CN104868211A (en) * | 2015-05-27 | 2015-08-26 | 中国电子科技集团公司第二十七研究所 | Tunable high power waveguide band-stop filter |
| CN104868211B (en) * | 2015-05-27 | 2017-11-10 | 中国电子科技集团公司第二十七研究所 | A kind of tunable high power Waveguide bandstop filter |
| US10992285B2 (en) | 2018-11-07 | 2021-04-27 | Fujitsu Limited | Group delay compensation filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3657670A (en) | Microwave bandpass filter with higher harmonics rejection function | |
| JP2010141877A (en) | Coupled line filter, and arraying method therein | |
| US10116026B2 (en) | Coaxial filter having first to fifth resonators, where the fourth resonator is an elongated resonator | |
| JPS62164301A (en) | Strip line filter | |
| JPS5846701A (en) | Waveguide band stop filter | |
| US9859599B2 (en) | Bandstop filters with minimum through-line length | |
| US3845422A (en) | Stop band filter | |
| WO2021128694A1 (en) | Reflectionless filter and electronic device | |
| US4734665A (en) | Microwave filter | |
| EP1575119A1 (en) | Superconductive microstrip resonator and filter | |
| US3587008A (en) | Microwave narrow band-pass filter | |
| JP4959530B2 (en) | Waveguide type band-stop filter | |
| JPH0622281B2 (en) | Dielectric filter | |
| JPH0770882B2 (en) | Waveguide type dielectric filter | |
| JPS6311802B2 (en) | ||
| JPS6378601A (en) | Corrugated filter | |
| US7256666B2 (en) | Band rejection filter with attenuation poles | |
| JP2516984B2 (en) | ▲ Ro ▼ wave instrument | |
| JPH04339401A (en) | Waveguide type dielectric resonator device | |
| US11888203B2 (en) | Filter device | |
| JPS62202604A (en) | Waveguide type directional coupler | |
| JPS625528B2 (en) | ||
| JPS63158902A (en) | Waveguide type branching filter | |
| JP2004104588A (en) | Bandpass filter | |
| RU2018121680A (en) | Combined band-pass microwave filter on strip resonators |