JPH02166902A - Dielectric resonator controlled oscillator - Google Patents
Dielectric resonator controlled oscillatorInfo
- Publication number
- JPH02166902A JPH02166902A JP32235288A JP32235288A JPH02166902A JP H02166902 A JPH02166902 A JP H02166902A JP 32235288 A JP32235288 A JP 32235288A JP 32235288 A JP32235288 A JP 32235288A JP H02166902 A JPH02166902 A JP H02166902A
- Authority
- JP
- Japan
- Prior art keywords
- dielectric resonator
- cap
- frequency
- header
- circuit board
- 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
- 230000010355 oscillation Effects 0.000 abstract description 10
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は誘電体共振器制御発振器に関し、特に異なる周
波数での発振を可能にした発振器に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a dielectric resonator controlled oscillator, and particularly to an oscillator capable of oscillating at different frequencies.
従来、この種の誘電体共振器制御発振器は、第２図のよ
うに構成されている。即ち、ヘッダ１上に誘電体共振器
３を備えた回路基板２を搭載し、この回路基板２を出力
ピン４に電気接続する。また、ヘッダｌには回路基板２
を覆うようにキャップ５を取着しており、キャップ５に
は誘電体共振器３に対向するように周波数調整用ねじ６
を螺合させている。Conventionally, this type of dielectric resonator controlled oscillator has been constructed as shown in FIG. That is, a circuit board 2 provided with a dielectric resonator 3 is mounted on a header 1, and this circuit board 2 is electrically connected to an output pin 4. In addition, the circuit board 2 is attached to the header l.
A cap 5 is attached to cover the dielectric resonator 3, and a frequency adjustment screw 6 is attached to the cap 5 so as to face the dielectric resonator 3.
are screwed together.
この発振器では、ヘッダ１９回路基板２．キャップ５等
を含めた一体構成で発振周波数が決定されており、発振
周波数の機械的な調整は周波数調整用ねじ６の挿入量を
調整することで行っている。In this oscillator, a header 19 circuit board 2. The oscillation frequency is determined by the integrated structure including the cap 5 and the like, and the oscillation frequency is mechanically adjusted by adjusting the insertion amount of the frequency adjustment screw 6.
上述した従来の誘電体共振器制御発振器は、設定された
発振周波数に基づいて、設計段階で各部の寸法、形状等
が設定されているため、機械的な周波数調整は周波数調
整用ねじ６の調整によるのみである。したがって、高い
Ｑ値を保ったままでの広範囲な周波数調整は不可能であ
る。In the conventional dielectric resonator controlled oscillator described above, the dimensions, shapes, etc. of each part are set at the design stage based on the set oscillation frequency, so mechanical frequency adjustment is performed by adjusting the frequency adjustment screw 6. It depends only on Therefore, it is impossible to adjust the frequency over a wide range while maintaining a high Q value.
また、この発振器を用いてフェイズロックループ（ＰＬ
Ｌ）を構成する場合、固定周波数での特性が満足されて
も、変調信号の重畳される周波数帯域において、ケース
共振の影響により２つの出力端間のアイソレーションが
充分得られない可能性もあった。In addition, using this oscillator, a phase-locked loop (PL
L), even if the characteristics at a fixed frequency are satisfied, there is a possibility that sufficient isolation between the two output terminals may not be obtained due to case resonance in the frequency band where the modulation signal is superimposed. Ta.
このため、あらゆる条件を満たして異なる発振周波数の
発振器を構成するには、新たに全構成要素の見直しを行
う必要があり、これに伴い必要な部品数も増加するとい
う問題がある。Therefore, in order to configure an oscillator with a different oscillation frequency while satisfying all the conditions, it is necessary to newly review all the components, and there is a problem in that the number of necessary parts increases accordingly.
本発明は構造を複雑化することなく、異なる周波数での
発振を可能にした誘電体共振器制御発振器を提供するこ
とを目的とする。An object of the present invention is to provide a dielectric resonator controlled oscillator that enables oscillation at different frequencies without complicating the structure.
本発明の誘電体共振器制御発振器は、回路基板を覆うよ
うにヘッダに取着するキャップに、誘電体共振器に対応
する部分に任意形状、任意寸法の筒部を形成し、かつこ
の筒部を相違させた任意のキャップをヘッダに交換して
取着できるように構成している。In the dielectric resonator controlled oscillator of the present invention, a cylindrical portion of an arbitrary shape and arbitrary size is formed in a portion corresponding to the dielectric resonator on a cap attached to a header so as to cover a circuit board, and the cylindrical portion The header is configured so that any cap with a different header can be replaced and attached to the header.
〔作用］
上述した構成では、キャップ筒部の形状１寸法の相違に
より誘電体共振器と空間電磁場との結合を変化させ、異
なる発振周波数を実現する。[Function] In the above-described configuration, the coupling between the dielectric resonator and the spatial electromagnetic field is changed due to the difference in shape and dimension of the cap cylinder portion, and different oscillation frequencies are realized.
〔実施例］ 次に、本発明を図面を参照して説明する。〔Example] Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例を示しており、同図・（ａ）
は平面図、同図（ｂ）はその縦断面図である。図におい
て、ヘッダ１上に誘電体共振器３を備えた回路基板２を
搭載し、この回路基板２の導体パターン２ａを出力ビン
４に電気接続する。また、ヘッダ１には回路基板２を覆
うようにキャップ５を取着しており、キャップ５には誘
電体共振器３に対向するように周波数調整用ねじ６を螺
合させている。FIG. 1 shows an embodiment of the present invention, and FIG.
is a plan view, and FIG. 3(b) is a longitudinal cross-sectional view thereof. In the figure, a circuit board 2 having a dielectric resonator 3 is mounted on a header 1, and a conductive pattern 2a of this circuit board 2 is electrically connected to an output bin 4. Further, a cap 5 is attached to the header 1 so as to cover the circuit board 2, and a frequency adjustment screw 6 is screwed into the cap 5 so as to face the dielectric resonator 3.
ここで、前記キャンプ５は、誘電体共振器３の中心から
直径りの範囲を、周囲の部分より円筒状に突出させた円
筒部５ａとして形成している。Here, the camp 5 is formed as a cylindrical portion 5a that extends in a diameter range from the center of the dielectric resonator 3 in a cylindrical shape than the surrounding portion.
この構成によれば、誘電体共振器３における共振周波数
は円筒部５ａの形状、直径り等によって所要の周波数に
設定される。また、この周波数は周波数調整用ねじ６の
挿入量を調整することによっても微細に調整することが
できる。According to this configuration, the resonant frequency in the dielectric resonator 3 is set to a desired frequency depending on the shape, diameter, etc. of the cylindrical portion 5a. Further, this frequency can also be finely adjusted by adjusting the insertion amount of the frequency adjustment screw 6.
そして、円筒部５ａの直径りの値を変化させることによ
り、誘電体共振器３とキャンプ５が影響される空間電磁
場との結合を変化させることが可能となり、異なる共振
周波数、ひいては発振周波数を実現することが可能とな
る。したがって、円筒部５ａの形状や寸法が異なる複数
種類のキャップを予め用意しておき、これらのキャップ
を交換することにより、任意の発振周波数を得ることが
可能となる。By changing the diameter of the cylindrical portion 5a, it is possible to change the coupling between the dielectric resonator 3 and the spatial electromagnetic field that is affected by the camp 5, realizing different resonant frequencies and, by extension, oscillation frequencies. It becomes possible to do so. Therefore, by preparing in advance a plurality of types of caps with different shapes and dimensions of the cylindrical portion 5a and exchanging these caps, it is possible to obtain an arbitrary oscillation frequency.
この結果、キャップ以外の部品は全て共用することがで
き、低コスト化が達成できる。また、キャップ形状の最
適化を図ることにより、２つの出力端子間の充分なアイ
ソレーションを達成することも可能となる。As a result, all parts other than the cap can be shared, and cost reduction can be achieved. Further, by optimizing the shape of the cap, it is also possible to achieve sufficient isolation between the two output terminals.
なお、円筒部は多角筒であってもよい。Note that the cylindrical portion may be a polygonal tube.
以上説明したように本発明は、キャンプの一部に任意形
状、任意寸法の筒部を形成し、かつこの筒部を相違させ
た任意のキャップをヘッダに交換して取着できるように
しているので、キャップ筒部の形状１寸法の相違によっ
て異なる周波数の発振が実現できる効果がある。したが
って、キャップ以外の構成部品を共用して低コスト化を
図り、かつ形状の最適化により２つの出力端子間のアイ
ソレーションを実現できる効果もある。As explained above, in the present invention, a cylindrical portion of any shape and size is formed in a part of the camp, and any cap made of a different cylindrical portion can be replaced and attached to the header. Therefore, there is an effect that oscillation of different frequencies can be realized depending on the difference in shape and dimension of the cap cylinder portion. Therefore, it is possible to reduce costs by sharing components other than the cap, and to achieve isolation between the two output terminals by optimizing the shape.
第１図は本発明の一実施例を示し、同図（ａ）は平面図
、同図（ｂ）は縦断面図、第２図は従来構造の縦断面図
である。
■・・・ヘッダ、２・・・回路基板、３・・・誘電体共
振器、４・・・出力ピン、５・・・キャップ、５ａ・・
・円筒部、６・・・周波数調整用ねじ。
（ａ）
第
図
＾−一
弔
図FIG. 1 shows an embodiment of the present invention, in which FIG. 1A is a plan view, FIG. 1B is a vertical cross-sectional view, and FIG. 2 is a vertical cross-sectional view of a conventional structure. ■... Header, 2... Circuit board, 3... Dielectric resonator, 4... Output pin, 5... Cap, 5a...
・Cylindrical part, 6...Screw for frequency adjustment. (a) Figure ＾-One funeral map
Claims (1)
、このヘッダに取着したキャップにより前記回路基板を
覆うように構成した誘電体共振器制御発振器において、
前記キャップは誘電体共振器に対応する部分に任意形状
、任意寸法の筒部を形成し、かつこの筒部を相違させた
他のキャップを前記ヘッダに交換して取着できるように
構成したことを特徴とする誘電体共振器制御発振器。1. A dielectric resonator controlled oscillator configured such that a circuit board equipped with a dielectric resonator is mounted on a header, and the circuit board is covered by a cap attached to the header,
The cap is configured such that a cylindrical portion of any shape and size is formed in a portion corresponding to the dielectric resonator, and another cap having a different cylindrical portion can be replaced and attached to the header. A dielectric resonator controlled oscillator featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32235288A JPH02166902A (en) | 1988-12-21 | 1988-12-21 | Dielectric resonator controlled oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32235288A JPH02166902A (en) | 1988-12-21 | 1988-12-21 | Dielectric resonator controlled oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02166902A true JPH02166902A (en) | 1990-06-27 |
Family
ID=18142685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32235288A Pending JPH02166902A (en) | 1988-12-21 | 1988-12-21 | Dielectric resonator controlled oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02166902A (en) |
-
1988
- 1988-12-21 JP JP32235288A patent/JPH02166902A/en active Pending
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