JPH0475405U - - Google Patents
Info
- Publication number
- JPH0475405U JPH0475405U JP11905390U JP11905390U JPH0475405U JP H0475405 U JPH0475405 U JP H0475405U JP 11905390 U JP11905390 U JP 11905390U JP 11905390 U JP11905390 U JP 11905390U JP H0475405 U JPH0475405 U JP H0475405U
- Authority
- JP
- Japan
- Prior art keywords
- dielectric
- axis
- view
- resonator
- sectional
- 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
- 239000002184 metal Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Description
第１図は本考案に係る誘電体フイルタの一実施
例を示す正面断面図、第２図は第１図の−線
による断面図、第３図は第１図に示す誘電体フイ
ルタの等価回路図、第４図はそのフイルタにおい
てチユーニング棒を移動させたときの周波数特性
の変化を示すグラフ、第５図は本考案の他の実施
例を示す正面断面図、第６図はチユーニング棒の
他の例を示す断面図、第７図は更に他のチユーニ
ング棒の例を示す断面図、第８図は別形態に形成
したチユーニング棒を示す断面図、第９図は従来
の誘電体フイルタを示す断面図、第１０図はその
フイルタの外観斜視図である。
１……金属ケース、２……誘電体共振器、３…
…スペーサ、４……チユーニング棒、４ａ……高
誘電率部分、４ｂ……低誘電率部分。
FIG. 1 is a front sectional view showing an embodiment of the dielectric filter according to the present invention, FIG. 2 is a sectional view taken along the - line in FIG. 1, and FIG. 3 is an equivalent circuit of the dielectric filter shown in FIG. 1. Figure 4 is a graph showing changes in frequency characteristics when the tuning rod is moved in the filter, Figure 5 is a front sectional view showing another embodiment of the present invention, and Figure 6 is a graph showing changes in frequency characteristics when the tuning rod is moved. 7 is a sectional view showing an example of another tuning rod, FIG. 8 is a sectional view showing a tuning rod formed in a different form, and FIG. 9 is a conventional dielectric filter. The sectional view and FIG. 10 are external perspective views of the filter. 1...metal case, 2...dielectric resonator, 3...
...Spacer, 4...Tuning rod, 4a...High dielectric constant portion, 4b...Low dielectric constant portion.
Claims (1)
電体共振器が軸芯を一致させ、かつ離隔した状態
で配設され、各誘電体共振器の軸芯部に存在する
空洞内に、部分的に誘電率を異ならせたチユーニ
ング棒が挿入されていることを特徴とする誘電体
フイルタ。 Two or more cylindrical dielectric resonators are provided, each dielectric resonator is arranged with its axis coincident and spaced apart, and in a cavity existing at the axis of each dielectric resonator, A dielectric filter characterized in that tuning rods having partially different dielectric constants are inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11905390U JPH0475405U (en) | 1990-11-13 | 1990-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11905390U JPH0475405U (en) | 1990-11-13 | 1990-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475405U true JPH0475405U (en) | 1992-07-01 |
Family
ID=31867034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11905390U Pending JPH0475405U (en) | 1990-11-13 | 1990-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10200304A (en) * | 1997-01-07 | 1998-07-31 | Matsushita Electric Ind Co Ltd | Laminated filter |
-
1990
- 1990-11-13 JP JP11905390U patent/JPH0475405U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10200304A (en) * | 1997-01-07 | 1998-07-31 | Matsushita Electric Ind Co Ltd | Laminated filter |