JPH03125525U - - Google Patents
Info
- Publication number
- JPH03125525U JPH03125525U JP3414490U JP3414490U JPH03125525U JP H03125525 U JPH03125525 U JP H03125525U JP 3414490 U JP3414490 U JP 3414490U JP 3414490 U JP3414490 U JP 3414490U JP H03125525 U JPH03125525 U JP H03125525U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- bandpass filter
- matching device
- input
- utility
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 2
Landscapes
- Filters And Equalizers (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案のフイルタを示す構成図、第２
図は本考案フイルタの動作を説明するための周波
数スペクトラム図、第３図は中間周波数帯域の一
実施例を示す周波数スペクトラム図である。
１……バンドパスフイルタ、２，３……整合器
、４，５……バンドエリミネータ。
Figure 1 is a configuration diagram showing the filter of the present invention, Figure 2 is a configuration diagram showing the filter of the present invention.
The figure is a frequency spectrum diagram for explaining the operation of the filter of the present invention, and FIG. 3 is a frequency spectrum diagram showing one embodiment of the intermediate frequency band. 1... Band pass filter, 2, 3... Matching device, 4, 5... Band eliminator.
Claims (1)
ルタと、 このバンドパスフイルタの入力及び出力の各々
に、インピーダンス整合器を介してバンドエリミ
ネータを接続したことを特徴とするフイルタ。[Claims for Utility Model Registration] A filter comprising: a bandpass filter having a specific frequency passband; and a band eliminator connected to each of the input and output of the bandpass filter via an impedance matching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3414490U JPH03125525U (en) | 1990-03-30 | 1990-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3414490U JPH03125525U (en) | 1990-03-30 | 1990-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125525U true JPH03125525U (en) | 1991-12-18 |
Family
ID=31538364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3414490U Pending JPH03125525U (en) | 1990-03-30 | 1990-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009514275A (en) * | 2005-10-28 | 2009-04-02 | エプコス アクチエンゲゼルシャフト | SAW filter for wide band rejection |
-
1990
- 1990-03-30 JP JP3414490U patent/JPH03125525U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009514275A (en) * | 2005-10-28 | 2009-04-02 | エプコス アクチエンゲゼルシャフト | SAW filter for wide band rejection |