JPS62241402A - filter device - Google Patents
filter deviceInfo
- Publication number
- JPS62241402A JPS62241402A JP61085365A JP8536586A JPS62241402A JP S62241402 A JPS62241402 A JP S62241402A JP 61085365 A JP61085365 A JP 61085365A JP 8536586 A JP8536586 A JP 8536586A JP S62241402 A JPS62241402 A JP S62241402A
- Authority
- JP
- Japan
- Prior art keywords
- filter device
- dielectric
- dielectric coaxial
- coaxial resonator
- capacity
- 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.)
- Granted
Links
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、高周波通信機器に用いることができるフィル
タ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a filter device that can be used in high frequency communication equipment.
従来の技術
従来の誘電体同軸共振器を用いたフィルタ装置は、第３
図に示すように誘電体同軸共振器１０゜１１．１２を入
出力端子１４を備えた誘電体基板１６に接続端子１６を
用いて取付け、これら全体にシールドケース１３を被せ
て構成されていた。Prior Art A conventional filter device using a dielectric coaxial resonator has a third
As shown in the figure, a dielectric coaxial resonator 10.degree. 11.12 was attached to a dielectric substrate 16 provided with input/output terminals 14 using connection terminals 16, and a shield case 13 was placed over the whole.
このような構成で誘電体同軸共振器１０〜１２の長さを
変えることによって、誘電体同軸共振器１０〜１２の共
振周波数を変え、フィルタ装置の通過波形や、周波数を
変えることがよく行われていた。In such a configuration, by changing the lengths of the dielectric coaxial resonators 10 to 12, the resonant frequencies of the dielectric coaxial resonators 10 to 12 are changed, and the waveform and frequency passed through the filter device are often changed. was.
発明が解決しようとする問題点
このような従来のフィルタ装置では、多段のフィルタ装
置を構成する場合に、共振周波数の異なる誘電体同軸共
振器１０〜１２が複数種類必要となり、量産性が悪かっ
た。本発明は、かかる点に鑑みてなされたもので、一種
類の誘電体同軸共振器で構成された多段のフィルタ装置
を提供することを目的とするものである。Problems to be Solved by the Invention In such conventional filter devices, when configuring a multi-stage filter device, multiple types of dielectric coaxial resonators 10 to 12 with different resonance frequencies are required, making mass production difficult. . The present invention has been made in view of these points, and it is an object of the present invention to provide a multi-stage filter device composed of one type of dielectric coaxial resonator.
問題点を解決するための手段
本発明は上記問題点を解決するため、少なくとも１個以
上の誘電体同軸共振器と、導体を厚膜印刷した電極によ
って入出力コンデンサと結合コンデンサを形成した誘電
体基板から成り、前記誘電体基板上に、誘電体同軸共振
器の共振周波数調整用のコンデンサを、導体を厚膜印刷
した電極によって形成したことを特徴とするフィルタ装
置である。Means for Solving the Problems In order to solve the above problems, the present invention provides a dielectric material in which an input/output capacitor and a coupling capacitor are formed by at least one or more dielectric coaxial resonators and electrodes formed by thick film printing of a conductor. The filter device comprises a substrate, and a capacitor for adjusting the resonant frequency of a dielectric coaxial resonator is formed on the dielectric substrate by an electrode having a thick film printed with a conductor.
作用
本発明は上記した構成により、誘電体同軸共振器の共振
周波数を、誘電体基板上に構成したコンデンサの容量に
よって調整することができ、多段のフィルタ装置を、一
種類の誘電体同軸共振器で構成することができる。Effect of the Invention With the above-described configuration, the present invention allows the resonant frequency of the dielectric coaxial resonator to be adjusted by the capacitance of the capacitor formed on the dielectric substrate. It can be composed of
実施例
第１図は、本発明のフィルタ装置の一実施例を示す一部
切欠斜視図である。第１図において、１は誘電体同軸゛
共振器、２はシールドケース、３は接続端子、４は入出
力端子、６は誘電体基板である。また第２図ａ、ｂは、
第１図の誘電体基板６の表面図と裏面図である。第２図
ａ、ｂにおいて、６．７，８．９の電極は、導体の厚膜
印刷によって形成されコンデンサを構成している。誘電
体同軸共振器１は、誘電体基板６上に形成された電極を
介して、互いに容量結合しておシ、全体とじてフィルタ
装置を形成している。さらに、電極７は接地されており
、電極７と電極８．９との間に形成された容量は、誘電
体同軸共振器１の付加容Ｉとして働いておシ、この容量
を変化させることによって、フィルタ装置の特性を簡単
に変えることができる。Embodiment FIG. 1 is a partially cutaway perspective view showing an embodiment of the filter device of the present invention. In FIG. 1, 1 is a dielectric coaxial resonator, 2 is a shield case, 3 is a connection terminal, 4 is an input/output terminal, and 6 is a dielectric substrate. In addition, Fig. 2 a and b are
2A and 2B are a front view and a back view of the dielectric substrate 6 of FIG. 1. FIG. In FIGS. 2a and 2b, electrodes 6.7 and 8.9 are formed by thick film printing of a conductor and constitute a capacitor. The dielectric coaxial resonators 1 are capacitively coupled to each other via electrodes formed on a dielectric substrate 6, forming a filter device as a whole. Further, the electrode 7 is grounded, and the capacitance formed between the electrode 7 and the electrode 8.9 acts as an additional capacitance I of the dielectric coaxial resonator 1, and by changing this capacitance, , the characteristics of the filter device can be easily changed.
発明の効果
以上述べてきたように、本発明によれば、きわめて簡単
に、フィルタ装置の特性を変化させることができ、実用
的にきわめて有用である。Effects of the Invention As described above, according to the present invention, the characteristics of a filter device can be changed very easily, and it is extremely useful in practice.
第１図は本発明の一実施例におけるフィルタ装置の一部
切欠斜視図、第２図ａ、ｂは誘電体基板の表面図及び裏
面図、第３図は従来のフィルタ装置の一部切欠斜視図で
ある。
１・・・・・・誘電体同軸共振器、２・・・・・・シー
ルドケース、３・・・・・・接続端子、４・・・・・・
入出力端子、６・・・・・・誘電体基板、６，７，８．
９・・・・・・電極。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名ａ
区
−代Fig. 1 is a partially cutaway perspective view of a filter device according to an embodiment of the present invention, Figs. 2a and b are front and back views of a dielectric substrate, and Fig. 3 is a partially cutaway perspective view of a conventional filter device. It is a diagram. 1... Dielectric coaxial resonator, 2... Shield case, 3... Connection terminal, 4...
Input/output terminal, 6...Dielectric substrate, 6, 7, 8.
9... Electrode. Name of agent: Patent attorney Toshio Nakao and 1 other persona
ward-dai
Claims (1)
膜印刷した電極によって入出力コンデンサと結合コンデ
ンサを形成した誘電体基板を備え、前記誘電体基板上に
、誘電体同軸共振器の共振周波数調整用のコンデンサを
、導体を厚膜印刷した電極によって形成したことを特徴
としたフィルタ装置。At least one dielectric coaxial resonator and a dielectric substrate on which an input/output capacitor and a coupling capacitor are formed by thick film-printed electrodes of a conductor are provided, and the resonant frequency of the dielectric coaxial resonator is A filter device characterized in that an adjustment capacitor is formed by an electrode printed with a thick conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61085365A JPH0744368B2 (en) | 1986-04-14 | 1986-04-14 | Filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61085365A JPH0744368B2 (en) | 1986-04-14 | 1986-04-14 | Filter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62241402A true JPS62241402A (en) | 1987-10-22 |
| JPH0744368B2 JPH0744368B2 (en) | 1995-05-15 |
Family
ID=13856687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61085365A Expired - Lifetime JPH0744368B2 (en) | 1986-04-14 | 1986-04-14 | Filter device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0744368B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01209801A (en) * | 1988-02-17 | 1989-08-23 | Matsushita Electric Ind Co Ltd | Dielectric filter |
| JPH0213102A (en) * | 1988-06-30 | 1990-01-17 | Sanyo Electric Co Ltd | Dielectric coaxial resonator and frequency adjusting method for band pass filter using the same resonator |
| EP0740360A3 (en) * | 1992-04-30 | 1996-12-04 | Ngk Spark Plug Co |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56163302U (en) * | 1980-04-30 | 1981-12-04 | ||
| JPS6150401A (en) * | 1984-08-20 | 1986-03-12 | Matsushita Electric Ind Co Ltd | Dielectric filter |
-
1986
- 1986-04-14 JP JP61085365A patent/JPH0744368B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56163302U (en) * | 1980-04-30 | 1981-12-04 | ||
| JPS6150401A (en) * | 1984-08-20 | 1986-03-12 | Matsushita Electric Ind Co Ltd | Dielectric filter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01209801A (en) * | 1988-02-17 | 1989-08-23 | Matsushita Electric Ind Co Ltd | Dielectric filter |
| JPH0213102A (en) * | 1988-06-30 | 1990-01-17 | Sanyo Electric Co Ltd | Dielectric coaxial resonator and frequency adjusting method for band pass filter using the same resonator |
| EP0740360A3 (en) * | 1992-04-30 | 1996-12-04 | Ngk Spark Plug Co |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0744368B2 (en) | 1995-05-15 |
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