JPS58123636U - Interfering signal removal device - Google Patents
Interfering signal removal deviceInfo
- Publication number
- JPS58123636U JPS58123636U JP2000582U JP2000582U JPS58123636U JP S58123636 U JPS58123636 U JP S58123636U JP 2000582 U JP2000582 U JP 2000582U JP 2000582 U JP2000582 U JP 2000582U JP S58123636 U JPS58123636 U JP S58123636U
- Authority
- JP
- Japan
- Prior art keywords
- bandpass filters
- bandpass
- passband
- interfering signal
- oscillator
- 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.)
- Granted
Links
Landscapes
- Noise Elimination (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
第１図は本考案の一実施例のブロック図。第２図は本考
案の一実施例における中心周波数の等価的変化の作用を
説明する特性図。第３図は本考案の一実施例の変形実施
例のブロック図。第４図は本考案の他の実施例のブロッ
ク図。第５図は本考案の他の実施例における合成通過帯
域幅の等価的変化を示す特性図。
１、 ２． １３および１４・・・・・・バンドパスフ
ィルタ、３． ４． １７および２０・・・・・・混合
器、５，６゜７．１５および１６・・・・・・切替スイ
ッチ、８，１８および１９・・・・・・電圧制御発振器
；９および２１・・・・・・可変抵抗器、１２・・・・
・・発振周波数可変手段。FIG. 1 is a block diagram of an embodiment of the present invention. FIG. 2 is a characteristic diagram illustrating the effect of equivalent change in center frequency in one embodiment of the present invention. FIG. 3 is a block diagram of a modified embodiment of the present invention. FIG. 4 is a block diagram of another embodiment of the present invention. FIG. 5 is a characteristic diagram showing equivalent changes in the composite passband width in another embodiment of the present invention. 1, 2. 13 and 14...Band pass filter, 3. 4. 17 and 20... mixer, 5, 6° 7.15 and 16... changeover switch, 8, 18 and 19... voltage controlled oscillator; 9 and 21... ...Variable resistor, 12...
...Oscillation frequency variable means.
Claims (1)
れ、前記１以上のバンドパスフィルタ中における少なく
とも１つのバンドパスフィルタの入力側および出力側に
それぞれ各別に第１および第２の混合器が接続され、前
記１以上のバンドパスフィルタの各々に対応して前記１
以上のバンドパスフィルタの通過帯域幅と異なる通過帯
域幅を有を不能のバンドパスフィルタが設けられ、前記
１以上のバンドパスフィルタと前記他のバントバスフィ
ルタとを連動して切替可能に構成され、かつ前記第１お
よび第２の混合器へ発振出力が注入される発振器を備え
、前記発振器の発振周波数を変化させて通過帯域の中心
周波数または合成通過帯域幅を等測的に変化させて妨害
信号を除去する妨害信号除去装置において、前記１以上
のバンドパスフィルタと前記他のバンドパスフィルタと
の切替えと連動して前記発振器の発振周波数の可変範囲
を切替えて通過帯域の中心周波数または合成通過帯域幅
の可変範囲を切替えるようにしてなることを特徴とする
妨害信号除去装置。One or more bandpass filters are cascaded in a signal path, and first and second mixers are respectively connected to the input side and the output side of at least one bandpass filter among the one or more bandpass filters, respectively. and the one or more bandpass filters correspond to each of the one or more bandpass filters.
A bandpass filter having a passband width different from the passband width of the above bandpass filters is provided, and the one or more bandpass filters and the other bandpass filter are configured to be switchable in conjunction with each other. , and an oscillator whose oscillation output is injected into the first and second mixers, and the oscillation frequency of the oscillator is changed to isometrically change the center frequency of the passband or the composite passband width to cause interference. In the interfering signal removing device that removes a signal, the variable range of the oscillation frequency of the oscillator is switched in conjunction with switching between the one or more bandpass filters and the other bandpass filter, and the center frequency of the passband or the composite pass is changed. An interfering signal removing device characterized by being configured to switch a variable range of bandwidth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000582U JPS58123636U (en) | 1982-02-17 | 1982-02-17 | Interfering signal removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000582U JPS58123636U (en) | 1982-02-17 | 1982-02-17 | Interfering signal removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58123636U true JPS58123636U (en) | 1983-08-23 |
| JPS6314503Y2 JPS6314503Y2 (en) | 1988-04-22 |
Family
ID=30032191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000582U Granted JPS58123636U (en) | 1982-02-17 | 1982-02-17 | Interfering signal removal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58123636U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5481215U (en) * | 1977-11-18 | 1979-06-08 |
-
1982
- 1982-02-17 JP JP2000582U patent/JPS58123636U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5481215U (en) * | 1977-11-18 | 1979-06-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6314503Y2 (en) | 1988-04-22 |
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