JPS5890730U - notsuchi filter - Google Patents
notsuchi filterInfo
- Publication number
- JPS5890730U JPS5890730U JP18503981U JP18503981U JPS5890730U JP S5890730 U JPS5890730 U JP S5890730U JP 18503981 U JP18503981 U JP 18503981U JP 18503981 U JP18503981 U JP 18503981U JP S5890730 U JPS5890730 U JP S5890730U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- resistance
- resistor
- input terminal
- connection point
- 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
Landscapes
- Networks Using Active Elements (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は周知の並列Ｔ型に基ずくノツチフィルタ、第２
図は本考案によるノツチフィルタ、第３図は第２図のノ
ツチフィルタをさらに発展させたノツチフィルタ及び第
４図は第３図によるノツチフィルタの動作説明図である
。Figure 1 shows a notch filter based on the well-known parallel T type;
3 is a notch filter according to the present invention, FIG. 3 is a notch filter that is a further development of the notch filter shown in FIG. 2, and FIG. 4 is an explanatory diagram of the operation of the notch filter according to FIG. 3.
Claims (2)
ンサ及び抵抗器の並列回路と、第１の抵抗回路と、第２
の抵抗回路とを四辺とするウイーンブ・ リッジを構
成し、前記直列回路及び前記並列回路の第１の辺接続点
と、前記第１及び第２の抵抗回路の第２の辺接続点とを
差動増幅器の入力端子へ差動的に接続し、前記直列回路
又は前記並列回路と前記第１の抵抗回路との第３の接続
点を入力端子とし、前記並列回路又は直列回路と前記第
２の抵抗回路との第４の辺接続点に前記差動増幅器の出
力端子を接続したことを特徴とするノツチフィルタ。(1) A series circuit of a capacitor and a resistor, a parallel circuit of a capacitor and a resistor, a first resistance circuit, and a second resistance circuit.
A Wien bridge is formed whose four sides are the resistance circuits, and the connection points of the first side of the series circuit and the parallel circuit are different from the connection points of the second side of the first and second resistance circuits. differentially connected to an input terminal of a dynamic amplifier, a third connection point between the series circuit or the parallel circuit and the first resistance circuit is used as an input terminal, and the connection between the parallel circuit or the series circuit and the second resistance circuit is connected differentially to the input terminal of the dynamic amplifier; A notch filter characterized in that an output terminal of the differential amplifier is connected to a fourth side connection point with a resistance circuit.
の分圧出力を供給する分圧器として形成されていること
を特徴とする実用新案登録請求の範囲第１項記載のノツ
チフィルタ。(2) The second resistor circuit is formed as a voltage divider that supplies the divided voltage output of the differential amplifier to the second side connection point, as claimed in claim 1 of the utility model registration claim. Notsuchi filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18503981U JPS5890730U (en) | 1981-12-14 | 1981-12-14 | notsuchi filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18503981U JPS5890730U (en) | 1981-12-14 | 1981-12-14 | notsuchi filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5890730U true JPS5890730U (en) | 1983-06-20 |
Family
ID=29985728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18503981U Pending JPS5890730U (en) | 1981-12-14 | 1981-12-14 | notsuchi filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5890730U (en) |
-
1981
- 1981-12-14 JP JP18503981U patent/JPS5890730U/en active Pending
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