JPS6178427U - - Google Patents
Info
- Publication number
- JPS6178427U JPS6178427U JP16402584U JP16402584U JPS6178427U JP S6178427 U JPS6178427 U JP S6178427U JP 16402584 U JP16402584 U JP 16402584U JP 16402584 U JP16402584 U JP 16402584U JP S6178427 U JPS6178427 U JP S6178427U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- operational amplifier
- capacitor
- frequency
- pass
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Networks Using Active Elements (AREA)
Description
第１図は本考案のバンドパスフイルタのブロツ
ク図、第２図は従来のバンドパスフイルタのブロ
ツク図、第３図は演算増幅器のゲイン対周波数特
性図、第４図は従来のバンドパスフイルタのゲイ
ン対周波数特性図、第５図Ａ，Ｂ，Ｃ，Ｄは夫々
本考案のバンドパスコフイルタの各回路部分のゲ
イン対周波数特性図である。
１０…ＬＣフイルタ、１２…コイル、１３…コ
ンデンサ、１４…ハイパスフイルタ、１５…演算
増幅器、２１…ローパスフイルタ、２２…演算増
幅器。
Figure 1 is a block diagram of the bandpass filter of the present invention, Figure 2 is a block diagram of a conventional bandpass filter, Figure 3 is a gain versus frequency characteristic diagram of an operational amplifier, and Figure 4 is a diagram of the conventional bandpass filter. Gain vs. Frequency Characteristic Diagrams FIGS. 5A, B, C, and D are gain vs. frequency characteristic diagrams of each circuit portion of the band passco filter of the present invention, respectively. 10... LC filter, 12... Coil, 13... Capacitor, 14 ... High pass filter, 15... Operational amplifier, 21 ... Low pass filter, 22... Operational amplifier.
Claims (1)
以上の信号を通過させるＬＣフイルタと、入力側
にコンデンサー及び抵抗を有する演算増幅器より
なるハイパスフイルタと、該ハイパスフイルタと
直列接続され前記第１周波数以上の範囲にある第
２周波数以下の信号を通過させるよう演算増幅器
にて構成したローパスフイルタを備えるバンドパ
スフイルタ。 an LC filter consisting of a capacitor and a coil and passing signals of a first frequency or higher; a high-pass filter consisting of an operational amplifier having a capacitor and a resistor on the input side; A bandpass filter comprising a lowpass filter configured with an operational amplifier so as to pass signals of a certain second frequency or lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16402584U JPH026671Y2 (en) | 1984-10-30 | 1984-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16402584U JPH026671Y2 (en) | 1984-10-30 | 1984-10-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6178427U true JPS6178427U (en) | 1986-05-26 |
| JPH026671Y2 JPH026671Y2 (en) | 1990-02-19 |
Family
ID=30721890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16402584U Expired JPH026671Y2 (en) | 1984-10-30 | 1984-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH026671Y2 (en) |
-
1984
- 1984-10-30 JP JP16402584U patent/JPH026671Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH026671Y2 (en) | 1990-02-19 |