JPS62154752U - - Google Patents
Info
- Publication number
- JPS62154752U JPS62154752U JP4317786U JP4317786U JPS62154752U JP S62154752 U JPS62154752 U JP S62154752U JP 4317786 U JP4317786 U JP 4317786U JP 4317786 U JP4317786 U JP 4317786U JP S62154752 U JPS62154752 U JP S62154752U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- line
- ripple
- phase input
- filter circuit
- 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
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図はこの考案のリツプルフイルタ回路の一
実施例を示す回路図、第２図は従来のフイルタ回
路を示す回路図、第３図は第２図の周波数特性を
示す図、第４図は一般の半波整流回路の回路図、
第５図は第４図における出力ラインにリツプル成
分を含むときの出力電圧を示す図、第６図は一般
の定電圧電源回路を示す回路図、第７図は第６図
における出力電圧を示す図である。
Ｄ１，Ｄ２，Ｄ３……ダイオード、Ａ……演算
増幅器、Ｃ１，Ｃ２，Ｃ３，Ｃ４……コンデンサ
、Ｒ１……抵抗。
Fig. 1 is a circuit diagram showing an embodiment of the ripple filter circuit of this invention, Fig. 2 is a circuit diagram showing a conventional filter circuit, Fig. 3 is a diagram showing the frequency characteristics of Fig. 2, Fig. 4 is the circuit diagram of a general half-wave rectifier circuit,
Fig. 5 is a diagram showing the output voltage when the output line in Fig. 4 includes a ripple component, Fig. 6 is a circuit diagram showing a general constant voltage power supply circuit, and Fig. 7 is a diagram showing the output voltage in Fig. 6. It is a diagram. D1 , D2 , D3 ...diode, A...operational amplifier, C1 , C2 , C3 , C4 ...capacitor, R1 ... resistance.
Claims (1)
に増幅器の逆相入力を接続し、前記増幅器の正相
入力にはローパスフイルタを通して前記ラインに
接続し、増幅器出力は前記ラインに接続したこと
を特徴とするリツプルフイルタ回路。 (2) 前記増幅器の電源は前記ラインをコモンと
した正負両電源であることを特徴とした実用新案
登録請求の範囲第１項記載のリツプルフイルタ回
路。 (3) 前記ローパスフイルタは、直流的に前記増
幅器の正相入力に接続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項記載のリツプル
フイルタ回路。[Claims for Utility Model Registration] (1) The negative phase input of an amplifier is connected to a line containing unnecessary noise and ripple components, the positive phase input of the amplifier is connected to the line through a low pass filter, and the amplifier output is A ripple filter circuit connected to the line. (2) The ripple filter circuit according to claim 1, wherein the power source of the amplifier is a positive and negative power source using the line as a common source. (3) The ripple filter circuit according to claim 1, wherein the low-pass filter is connected to the positive phase input of the amplifier in a DC manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4317786U JPH0453159Y2 (en) | 1986-03-25 | 1986-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4317786U JPH0453159Y2 (en) | 1986-03-25 | 1986-03-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62154752U true JPS62154752U (en) | 1987-10-01 |
| JPH0453159Y2 JPH0453159Y2 (en) | 1992-12-14 |
Family
ID=30859790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4317786U Expired JPH0453159Y2 (en) | 1986-03-25 | 1986-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453159Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993021495A1 (en) * | 1992-04-16 | 1993-10-28 | Kabushiki Kaisha Ace Denken | Metal detector for locating metallic body |
-
1986
- 1986-03-25 JP JP4317786U patent/JPH0453159Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993021495A1 (en) * | 1992-04-16 | 1993-10-28 | Kabushiki Kaisha Ace Denken | Metal detector for locating metallic body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0453159Y2 (en) | 1992-12-14 |
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