JPH02155204A - Inductor and LC oscillator using it - Google Patents
Inductor and LC oscillator using itInfo
- Publication number
- JPH02155204A JPH02155204A JP63309507A JP30950788A JPH02155204A JP H02155204 A JPH02155204 A JP H02155204A JP 63309507 A JP63309507 A JP 63309507A JP 30950788 A JP30950788 A JP 30950788A JP H02155204 A JPH02155204 A JP H02155204A
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- dielectric substrate
- inductor
- spiral electrode
- ground electrode
- 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
Landscapes
- Coils Or Transformers For Communication (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
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
【発明の詳細な説明】
産業上の利用分野
本発明は、各種発振器に使用されるインダクタに関する
ものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to inductors used in various oscillators.
従来の技術
従来、各種ＬＣ発振器に使用されるインダクタは、第２
図に示すように、誘電体基板１１の片面に、スパイラル
状電極１２を設け、スパイラル状［１ｆｊ１２の一端を
入力端子とし、他端に形成したスルーホール１３の裏面
側端を出力端子１６としているものである。Conventional technology Conventionally, inductors used in various LC oscillators are
As shown in the figure, a spiral electrode 12 is provided on one side of a dielectric substrate 11, and one end of the spiral electrode 1fj12 is used as an input terminal, and the back side end of a through hole 13 formed at the other end is used as an output terminal 16. It is something.
発明が解決しようとする課題
このインダクタを使用したＬＣ発振器では、周波数を調
整する際、第２図のスパイラル状電極１２をトリミング
し、細くすることによりインダクタンスを変化させて、
周波数を変化させているので、作業性が悪く、又Ｑが劣
化し、発振器の特性が悪くなるという問題があった。Problems to be Solved by the Invention In the LC oscillator using this inductor, when adjusting the frequency, the inductance is changed by trimming the spiral electrode 12 shown in FIG. 2 and making it thinner.
Since the frequency is changed, there are problems in that workability is poor, Q is deteriorated, and the characteristics of the oscillator are deteriorated.
課題を解決するだめの手段
この問題を解決するために、本発明は誘電体基板上のス
パイラル状電極と対向する誘電体基板の他面にアース電
極を設けたものである。Means for Solving the Problem In order to solve this problem, the present invention provides a ground electrode on the other surface of the dielectric substrate opposite to the spiral electrode on the dielectric substrate.
作用
この構成により、アース電極をトリミングし、インダク
タンス成分を変化させることにより発振周波数を調整す
るものであるので、従来よりは同じトリミングでも簡単
に行え、しかもＱの低下はなく、発振器の特性悪化を防
止できるのである。Function: With this configuration, the oscillation frequency is adjusted by trimming the ground electrode and changing the inductance component, so the same trimming can be done more easily than before, and there is no reduction in Q, which prevents deterioration of the oscillator characteristics. It can be prevented.
実施例
第１図に示すごとく本実施例では誘電体基板１の片面に
入力端子４に連続してスパイラル状電極２を設け、この
スパイラル状電極２の他端はスルーホール３で電気的に
裏面へ接続し、ここで出力端子ｅを接続している。また
誘電体基板１のスパイラル状電極２と対向する裏面には
出力端子６の周囲を除いて全面にアース電極６を設けて
いる。Embodiment As shown in FIG. 1, in this embodiment, a spiral electrode 2 is provided on one side of a dielectric substrate 1 continuously to an input terminal 4, and the other end of this spiral electrode 2 is electrically connected to the back surface through a through hole 3. The output terminal e is connected here. Further, on the back surface of the dielectric substrate 1 facing the spiral electrode 2, a ground electrode 6 is provided over the entire surface except for the area around the output terminal 6.
そしてこのインダクタを使用したＬＣ発振器の周波数可
変は、アース電極６をトリミングして面積を変化させる
ことによりインダクタンス成分を変化させ、調整する。The frequency of the LC oscillator using this inductor is adjusted by changing the inductance component by trimming the ground electrode 6 to change its area.
発明の効果
以上のように本発明によれば、アース電極をトリミング
することにより容易に周波数調整ができ、作業性が良く
、ｑの劣化もないので、安定した発振器とすることがで
きる。Effects of the Invention As described above, according to the present invention, the frequency can be easily adjusted by trimming the ground electrode, the workability is good, and there is no deterioration of q, so that a stable oscillator can be obtained.
第１図ａ、ｂはそれぞれ、本発明の一実施例による誘電
体基板の表面及び裏面を示す斜視図、第２図ａ、ｂけ従
来の誘Ｔ体基板の表面及び裏面を示す斜視図である。
１・・・・・・誘電体基板、２・・・・・スパイラル状
電極、３・・・・・・スルーホール、４・・・・・・入
力端子、５・・・・・・アース電極、６・・・・・・出
力端子。
代理人の氏名 弁理士 粟 野 重 孝 ほか１名簿１
図
請ｑ俸蟇う
スＪぐイラル１７：ｔｉ
スフレ−ホール
λ刀黒子
第
図Figures 1a and b are perspective views showing the front and back sides of a dielectric substrate according to an embodiment of the present invention, and Figures 2a and b are perspective views showing the front and back sides of a conventional dielectric substrate. be. 1...Dielectric substrate, 2...Spiral electrode, 3...Through hole, 4...Input terminal, 5...Ground electrode , 6... Output terminal. Name of agent Patent attorney Shigetaka Awano and 1 other list 1
Picture Request Q Salary 17: ti Soufflé Hall λ Sword Kuroko Diagram
Claims (2)
上記スパイラル状電極の対向する誘電体基板の他面に設
けたアース電極からなるインダクタ。(1) A spiral electrode provided on one side of a dielectric substrate,
An inductor comprising a ground electrode provided on the other surface of a dielectric substrate facing the spiral electrode.
したＬＣ発振器。(2) An LC oscillator using the inductor according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63309507A JPH02155204A (en) | 1988-12-07 | 1988-12-07 | Inductor and LC oscillator using it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63309507A JPH02155204A (en) | 1988-12-07 | 1988-12-07 | Inductor and LC oscillator using it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02155204A true JPH02155204A (en) | 1990-06-14 |
Family
ID=17993831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63309507A Pending JPH02155204A (en) | 1988-12-07 | 1988-12-07 | Inductor and LC oscillator using it |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02155204A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0491214A1 (en) * | 1990-12-19 | 1992-06-24 | Asea Brown Boveri Ag | Transformer, in particulier switch mode transformer |
| JPH04352305A (en) * | 1991-05-29 | 1992-12-07 | Murata Mfg Co Ltd | Method of adjusting three layer structured spiral inductor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS428621Y1 (en) * | 1966-04-27 | 1967-05-08 | ||
| JPS428651Y1 (en) * | 1964-09-09 | 1967-05-09 | ||
| JPS5467357A (en) * | 1977-11-08 | 1979-05-30 | Matsushita Electric Ind Co Ltd | Oscillator |
| JPS6297416A (en) * | 1985-10-23 | 1987-05-06 | Fujitsu Ltd | Constituting method for chip type delay element |
-
1988
- 1988-12-07 JP JP63309507A patent/JPH02155204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS428651Y1 (en) * | 1964-09-09 | 1967-05-09 | ||
| JPS428621Y1 (en) * | 1966-04-27 | 1967-05-08 | ||
| JPS5467357A (en) * | 1977-11-08 | 1979-05-30 | Matsushita Electric Ind Co Ltd | Oscillator |
| JPS6297416A (en) * | 1985-10-23 | 1987-05-06 | Fujitsu Ltd | Constituting method for chip type delay element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0491214A1 (en) * | 1990-12-19 | 1992-06-24 | Asea Brown Boveri Ag | Transformer, in particulier switch mode transformer |
| JPH04352305A (en) * | 1991-05-29 | 1992-12-07 | Murata Mfg Co Ltd | Method of adjusting three layer structured spiral inductor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH07106815A (en) | Strip line resonator | |
| JPH02155204A (en) | Inductor and LC oscillator using it | |
| JPH0468901A (en) | Microwave strip line resonator | |
| JPH07336109A (en) | Dielectric filter | |
| JPH0478202B2 (en) | ||
| JPS62120101A (en) | resonator | |
| JPS6057207U (en) | oscillation circuit | |
| JPS60261159A (en) | Microwave circuit device | |
| JPH0336091Y2 (en) | ||
| JPS6338303A (en) | high frequency filter | |
| JPH0722806A (en) | Multilayer filter | |
| JPH0231501A (en) | Dielectric resonators and equipment using them | |
| JP3307116B2 (en) | Antenna duplexer | |
| JPH08186404A (en) | Dielectric filter | |
| TW200522503A (en) | High frequency oscillator | |
| JPH10190311A (en) | Dielectric filter | |
| JP3250378B2 (en) | Dielectric filter | |
| JP2570114Y2 (en) | Dielectric filter | |
| JPS62183609A (en) | Microwave oscillator | |
| JPS6338301A (en) | high frequency filter | |
| JPH06244666A (en) | Filter | |
| JPS5838955B2 (en) | hybrid integrated circuit | |
| JPH01236719A (en) | ceramic resonant element | |
| JP2001244741A (en) | Voltage controlled oscillator | |
| JPH0783213B2 (en) | Voltage controlled oscillator |