JPH02145805U - - Google Patents
Info
- Publication number
- JPH02145805U JPH02145805U JP5614489U JP5614489U JPH02145805U JP H02145805 U JPH02145805 U JP H02145805U JP 5614489 U JP5614489 U JP 5614489U JP 5614489 U JP5614489 U JP 5614489U JP H02145805 U JPH02145805 U JP H02145805U
- Authority
- JP
- Japan
- Prior art keywords
- coaxial resonator
- variable
- coupling element
- dielectric
- frequency
- 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
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図乃至第３図は本考案の一実施例を示すも
ので、第１図は構造を示す縦断面図、第２図は第
１図の等価回路を示す図、第３図は周波数特性を
示す図、第４図は従来の周波数可変型同軸共振器
の構造を示す縦断面図、第５図は第４図の等価回
路を示す図、第６図は第５図の回路の周波数特性
を示す図である。
１……入力接栓、２……出力接栓、３……入力
結合素子、４……出力結合素子、５……共振素子
、６……可変容量負荷、７……外導体、８……ダ
イヤル、９，１０……誘電体、１１……支持部材
。
Figures 1 to 3 show one embodiment of the present invention, with Figure 1 being a vertical cross-sectional view showing the structure, Figure 2 being a diagram showing the equivalent circuit of Figure 1, and Figure 3 being the frequency characteristic. Figure 4 is a vertical cross-sectional view showing the structure of a conventional frequency variable coaxial resonator, Figure 5 is an equivalent circuit of Figure 4, and Figure 6 is the frequency characteristic of the circuit in Figure 5. FIG. 1... Input connector, 2... Output connector, 3... Input coupling element, 4... Output coupling element, 5... Resonance element, 6... Variable capacitance load, 7... Outer conductor, 8... Dial, 9, 10... dielectric, 11... support member.
Claims (1)
た周波数可変型同軸共振器において、入力結合素
子及び出力結合素子と上記共振素子との間に設け
られ、上記可変容量負荷の負荷値に連動して位置
を移動する誘電体を備え、この誘電体を位置移動
によつて３ｄＢ低下帯域幅を一定に保持した状態
で周波数可変機能を有したことを特徴とする周波
数可変型同軸共振器。 (2) 前記誘電体をテーパー形状とし、同軸共振
器の特性に合致して上記入力結合素子及び出力結
合素子と上記共振素子との間の結合度変化量を選
定可能としたことを特徴とする請求項(1)記載の
周波数可変型同軸共振器。[Claims for Utility Model Registration] (1) In a variable frequency coaxial resonator in which a variable capacitance load is provided on the open end side of a resonant element, a coaxial resonator provided between an input coupling element and an output coupling element and the resonant element, It is characterized by comprising a dielectric whose position moves in conjunction with the load value of the variable capacitance load, and having a frequency variable function while maintaining a constant 3 dB reduction bandwidth by moving the dielectric. Frequency variable coaxial resonator. (2) The dielectric has a tapered shape, and the amount of change in the degree of coupling between the input coupling element, the output coupling element, and the resonance element can be selected in accordance with the characteristics of the coaxial resonator. The variable frequency coaxial resonator according to claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5614489U JPH02145805U (en) | 1989-05-16 | 1989-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5614489U JPH02145805U (en) | 1989-05-16 | 1989-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145805U true JPH02145805U (en) | 1990-12-11 |
Family
ID=31579711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5614489U Pending JPH02145805U (en) | 1989-05-16 | 1989-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002084780A1 (en) * | 2001-03-30 | 2002-10-24 | Nec Corporation | Antenna coupling system of resonator and coupled antenna |
-
1989
- 1989-05-16 JP JP5614489U patent/JPH02145805U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002084780A1 (en) * | 2001-03-30 | 2002-10-24 | Nec Corporation | Antenna coupling system of resonator and coupled antenna |
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