JPS63212202A - Resonator - Google Patents
ResonatorInfo
- Publication number
- JPS63212202A JPS63212202A JP4557887A JP4557887A JPS63212202A JP S63212202 A JPS63212202 A JP S63212202A JP 4557887 A JP4557887 A JP 4557887A JP 4557887 A JP4557887 A JP 4557887A JP S63212202 A JPS63212202 A JP S63212202A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric
- coaxial
- ring
- resonator
- conductor
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 239000007767 bonding agent Substances 0.000 abstract description 3
- 229910000679 solder Inorganic materials 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は特に小型化が要求され、無線機のフィルタ及び
発振器等の高周波回路部に使用されるマイクロストリッ
プ型の共振器に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a microstrip type resonator which is particularly required to be miniaturized and is used in high frequency circuit sections such as filters and oscillators of radio equipment.
従来の技術
無線通信分野で高周波回路部で用いられる共振は高性能
化と合わせ小型化が要求される。BACKGROUND OF THE INVENTION Resonance used in high frequency circuits in the field of wireless communications requires both high performance and miniaturization.
一般に共振素子としてマイクロストリップ線路型で小型
化、あるいは共振器の無負荷Qの高い共振器として特公
昭54−42574号公報等に開示されているリング共
振器が知られている。Generally, as a resonant element, a ring resonator disclosed in Japanese Patent Publication No. 42574/1984 is known as a microstrip line type resonator with a small size or a resonator with a high no-load Q.
第3図(、)はこのリング共振器を用いた2段フィルタ
の回路構成を示すものである。FIG. 3(,) shows the circuit configuration of a two-stage filter using this ring resonator.
同図に於いて、301.302はそれぞれ初段及び2段
目のリング形のマイクロストリップ線路、303.30
4は容量、305,306は入出力の結合容量である。In the same figure, 301.302 are ring-shaped microstrip lines for the first stage and second stage, respectively, and 303.30
4 is a capacitance, and 305 and 306 are input/output coupling capacitances.
又2つの共振素子、すなわちマイクロストリップ線路3
01及び容量303とマイクロストリップ線路302及
び容量304との結合は共振線路の平行部にて分布結合
で行なっている。In addition, two resonant elements, namely the microstrip line 3
01 and the capacitor 303 and the microstrip line 302 and the capacitor 304 are coupled by distributed coupling in the parallel portion of the resonant line.
一方第3図(b)に、第3図(、)の構成に新たにマイ
クロストリップ線路307と容量308を設けた、すな
わちリング形共振器3段型の構成によるフィルタを示す
。On the other hand, FIG. 3(b) shows a filter in which a microstrip line 307 and a capacitor 308 are added to the configuration of FIG. 3(,), that is, a three-stage ring resonator configuration.
発明が解決しようとする問題点
これらのフィルタの回路構成に於いて、フィルタの基本
性能である所要の減衰特性を確保するために誘電体損失
、導体損失の小さい材料の選択、あるいは共振器の段数
を増やす等の手法がとられるが、前者の材料の選択には
特性に限界があり、また後者の段数を増やすことで減衰
特性を実現されるがフィルタの形状としては大きなもの
になり、小形化が困難となる。Problems to be Solved by the Invention In the circuit configuration of these filters, in order to ensure the required attenuation characteristics, which are the basic performance of the filter, it is necessary to select materials with low dielectric loss and conductor loss, or to change the number of resonator stages. However, there are limits to the characteristics of the former choice of material, and the attenuation characteristics can be achieved by increasing the number of stages of the latter, but the shape of the filter becomes large, making it difficult to downsize. becomes difficult.
本発明は以上のような問題点に鑑み、ストリップ線路に
より多段フィルタ等に用いられるリング形の共振器の小
型化を図るものである。In view of the above-mentioned problems, the present invention aims to downsize a ring-shaped resonator used in a multistage filter or the like using a strip line.
問題点を解決するための手段
本発明は、マイクロストリップ線路を誘電体基体上で矩
形ループあるいは環状ループに形成し、その両開放端に
容量を直列に接続するとともに、内周面と外周面を有す
る同軸あるいは半同軸の誘電体を用い、前記誘電体の内
周面は接地導体を設け、また前記誘電体の外周面に複数
個からなる開放端形の環状ストリップ線路素子を設け、
その誘電体を前記マイクロストリップ線路に電気的に接
続したものである。Means for Solving the Problems The present invention forms a microstrip line on a dielectric substrate into a rectangular loop or an annular loop, connects a capacitor in series to both open ends of the microstrip line, and connects the inner and outer circumferential surfaces. A coaxial or semi-coaxial dielectric body is used, a ground conductor is provided on the inner peripheral surface of the dielectric body, and a plurality of open-ended annular strip line elements are provided on the outer peripheral surface of the dielectric body,
The dielectric is electrically connected to the microstrip line.
作 用
本発明は上記構成により、共振器の多段構成に於いて問
題となる小型化を実現すると同時に、製造上に於いても
、同軸あるいは半同軸の誘電体に′初めに全体に導体を
塗布し、その誘電体の導体にある幅をもった円状の切れ
目を入れ、かつ還状線路にスリットを設けることにより
、容易に線路を構成できる。The present invention achieves miniaturization, which is a problem in multi-stage configurations of resonators, through the above-mentioned configuration, and at the same time, during manufacturing, it is possible to reduce the size of the coaxial or semi-coaxial dielectric by first coating the entire surface with a conductor. However, the line can be easily constructed by making a circular cut with a certain width in the dielectric conductor and providing a slit in the circular line.
実施例
第1図は本発明の第1の実施例における共振器の斜視図
である。Embodiment FIG. 1 is a perspective view of a resonator in a first embodiment of the present invention.
第1図からも明らかなように、円筒の誘電体201の内
周面202に接地導体202mをメタライズするととも
に、外周面203に線路が開放されている2つの環状の
ストリップ線路301及び302を設けている。第1図
(、)の共振器を用い2段のフィルタを構成したのが第
1図(b)である。As is clear from FIG. 1, a ground conductor 202m is metallized on the inner peripheral surface 202 of the cylindrical dielectric 201, and two ring-shaped strip lines 301 and 302 with open lines are provided on the outer peripheral surface 203. ing. FIG. 1(b) shows a two-stage filter constructed using the resonators shown in FIG. 1(,).
第1図(b)では、保持用として一枚の基板204上に
ハンダ等の導体接合剤206により同軸の誘電体201
を固定している。又、環状のストリップ線路301及び
302の開放端に装架される容量303.304あるい
は入出力の結合容量305.306は保持基板203に
設けられた接続パターン204.205によって接続さ
れる。In FIG. 1(b), a coaxial dielectric material 201 is bonded to a conductor bonding agent 206 such as solder on a single substrate 204 for holding purposes.
is fixed. Further, capacitors 303 and 304 mounted on the open ends of the annular strip lines 301 and 302 or input/output coupling capacitors 305 and 306 are connected by connection patterns 204 and 205 provided on the holding board 203.
以上の構成によれば、誘電体損失、導体損失を低減した
ままで、第3図に示した構成に比して全体として小型化
を図ることができる。According to the above configuration, the overall size can be reduced compared to the configuration shown in FIG. 3 while reducing dielectric loss and conductor loss.
次に本発明の第2の実施例について第2図を用いて説明
する。Next, a second embodiment of the present invention will be described using FIG. 2.
第2図(耐よ保持基板上に、より実装しやすくするため
に誘電体101を半同軸の形状にしたもので、第2図(
k)に示すように開放端の容量303 。Figure 2 (The dielectric 101 is made into a semi-coaxial shape to make it easier to mount on the holding board.
capacitance 303 at the open end as shown in k).
304(但し、304は図示せず)は、誘電体の基板2
04上に接続パターン102を設け、スルホール103
で裏面の接続パターン104に接続し、そしてその裏面
Jで接続されている。304 (however, 304 is not shown) is a dielectric substrate 2
A connection pattern 102 is provided on 04, and a through hole 103
It is connected to the connection pattern 104 on the back surface, and is connected to the connection pattern 104 on the back surface J.
以上の構成によれば、第1図の構成に比して、誘電体1
01を半同軸としているため、さらに小型化が図れる。According to the above configuration, compared to the configuration shown in FIG.
Since 01 is semi-coaxial, further miniaturization can be achieved.
発明の効果
以上のように本発明は、平面上に実装するリング共振器
の線路素子を同軸あるいは半同軸状の誘電体上に構成し
、多段構成に於いて問題となる小型化を実現すると同時
に製造上に於いても、同軸あるいは半同軸の誘電体に初
めに全体に導体を塗布し、その誘電体の導体にある幅を
もった円状の切れ目を入れ、かつ環状線路にスリットを
設けることにより、容易に線路を構成でき、経済的にも
効果は大である。Effects of the Invention As described above, the present invention configures the line elements of a ring resonator mounted on a plane on a coaxial or semi-coaxial dielectric material, thereby realizing miniaturization, which is a problem in multi-stage configurations. In manufacturing, a conductor is first applied to the entire coaxial or semi-coaxial dielectric, a circular cut with a certain width is made in the conductor of the dielectric, and a slit is provided in the ring line. This allows the line to be easily constructed and has great economical effects.
第1図(、)は本発明の第1の実施例における共振器の
斜視図、第1図(b)は同共振器°を用いたフィル(α
)
夕の平面図、第2団よ本発明の第2の実施例における共
振器の斜視図、第2図(1,)は同共振器を用いたフィ
ルタの平面図、第3図(a) 、 (&)は従来のリン
グ共振器を用いた2段及び3段のフィルタの平面図であ
る。
101.201・・・・・・誘電体、103・・・・・
・スルーホール、104,204,205・・・・・・
接続パターン、202m・・・・・・接地導体、206
・・・・・・導体接合剤、301,302・・・・・・
ストリップ線路、303゜304・・・・・・容量、3
05.306・・・・・・結合容量。
代理人の氏名 弁理士 中 尾 敏 男 ほか1名第1
図
(α)
第 2 図
第3図
(α)
IlFIG. 1(,) is a perspective view of a resonator in the first embodiment of the present invention, and FIG. 1(b) is a filter (α) using the same resonator.
) A plan view of the second group, a perspective view of a resonator in the second embodiment of the present invention, FIG. 2 (1,) is a plan view of a filter using the same resonator, and FIG. 3 (a) , (&) are plan views of two-stage and three-stage filters using conventional ring resonators. 101.201...Dielectric, 103...
・Through hole, 104, 204, 205...
Connection pattern, 202m...Grounding conductor, 206
......Conductor bonding agent, 301,302...
Strip line, 303°304... Capacity, 3
05.306...Coupling capacity. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure (α) Figure 2 Figure 3 (α) Il
Claims (1)
あるいは環状ループに形成し、その両開放端に容量を直
列に接続するとともに、内周面と外周面を有する同軸あ
るいは半同軸の誘電体を用い、前記誘電体の内周面は接
地導体を設け、また前記誘電体の外周面に複数個からな
る開放端形の環状ストリップ線路素子を設け、前記同軸
あるいは半同軸の誘電体を前記マイクロストリップ線路
に電気的に接続した共振器。A microstrip line is formed into a rectangular loop or an annular loop on a dielectric substrate, a capacitor is connected in series to both open ends of the microstrip line, and a coaxial or semi-coaxial dielectric having an inner circumferential surface and an outer circumferential surface is used. A ground conductor is provided on the inner peripheral surface of the dielectric, and a plurality of open-ended annular strip line elements are provided on the outer peripheral surface of the dielectric, and the coaxial or semi-coaxial dielectric is electrically connected to the microstrip line. resonator connected to the
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4557887A JPS63212202A (en) | 1987-02-27 | 1987-02-27 | Resonator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4557887A JPS63212202A (en) | 1987-02-27 | 1987-02-27 | Resonator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63212202A true JPS63212202A (en) | 1988-09-05 |
Family
ID=12723231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4557887A Pending JPS63212202A (en) | 1987-02-27 | 1987-02-27 | Resonator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63212202A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993010570A1 (en) * | 1991-11-12 | 1993-05-27 | Fuji Electrochemical Co. Ltd. | Folded strip track type dielectric resonator and laminated type dielectric filter using the same |
JPH05136613A (en) * | 1991-11-12 | 1993-06-01 | Fuji Elelctrochem Co Ltd | Folded strip line type dielectric resonator |
WO2003052862A1 (en) * | 2001-12-18 | 2003-06-26 | Murata Manufacturing Co.,Ltd. | Oscillator, filter, duplexer and communication apparatus |
-
1987
- 1987-02-27 JP JP4557887A patent/JPS63212202A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993010570A1 (en) * | 1991-11-12 | 1993-05-27 | Fuji Electrochemical Co. Ltd. | Folded strip track type dielectric resonator and laminated type dielectric filter using the same |
JPH05136613A (en) * | 1991-11-12 | 1993-06-01 | Fuji Elelctrochem Co Ltd | Folded strip line type dielectric resonator |
US5446430A (en) * | 1991-11-12 | 1995-08-29 | Fuji Electrochemical Co., Ltd. | Folded strip line type dielectric resonator and multilayer dielectric filter using the same |
WO2003052862A1 (en) * | 2001-12-18 | 2003-06-26 | Murata Manufacturing Co.,Ltd. | Oscillator, filter, duplexer and communication apparatus |
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