JPS6438014U - - Google Patents
Info
- Publication number
- JPS6438014U JPS6438014U JP12985587U JP12985587U JPS6438014U JP S6438014 U JPS6438014 U JP S6438014U JP 12985587 U JP12985587 U JP 12985587U JP 12985587 U JP12985587 U JP 12985587U JP S6438014 U JPS6438014 U JP S6438014U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- operational amplifier
- capacitor
- output
- 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
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図はこの考案の一実施例の回路図、第２図
は第１図例の等価回路図、第３図は周波数特性を
示す図である。
ＩＴは入力端子、Ｒ１，Ｒ２は抵抗、Ｃ１は第
１のコンデンサ、Ｃ２は第２のコンデンサ、Ｒｖ
は可変抵抗、Ｓは可変抵抗の摺動子、ＯＰはオペ
アンプ、ＯＴは出力端子である。
FIG. 1 is a circuit diagram of an embodiment of this invention, FIG. 2 is an equivalent circuit diagram of the example shown in FIG. 1, and FIG. 3 is a diagram showing frequency characteristics. IT is an input terminal, R 1 and R 2 are resistors, C 1 is the first capacitor, C 2 is the second capacitor, R v
is a variable resistor, S is a slider of the variable resistor, OP is an operational amplifier, and OT is an output terminal.
Claims (1)
間に接続される第１のコンデンサと、 上記第１の抵抗と第１のコンデンサとの接続点
と、上記演算増幅器の出力側との間に接続される
、可変抵抗と第２のコンデンサとからなる直列回
路と、 上記演算増幅器の入力側と出力側との間に接続
される第２の抵抗と、 上記演算増幅器からの出力を導出するための出
力端子とからなり、上記第２のコンデンサと上記
第２の抵抗との接続点が、上記可変抵抗の摺動子
に接続されてなるトーンコントロール回路。[Claims for Utility Model Registration] An input terminal, an operational amplifier, a first resistor connected to the input terminal, and a first resistor connected between the first resistor and the input side of the operational amplifier. a series circuit consisting of a variable resistor and a second capacitor connected between a connection point between the first resistor and the first capacitor and the output side of the operational amplifier; It consists of a second resistor connected between the input side and the output side of the amplifier, and an output terminal for deriving the output from the operational amplifier, and a connection between the second capacitor and the second resistor. A tone control circuit whose connection point is connected to the slider of the variable resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12985587U JPS6438014U (en) | 1987-08-26 | 1987-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12985587U JPS6438014U (en) | 1987-08-26 | 1987-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438014U true JPS6438014U (en) | 1989-03-07 |
Family
ID=31384516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12985587U Pending JPS6438014U (en) | 1987-08-26 | 1987-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438014U (en) |
-
1987
- 1987-08-26 JP JP12985587U patent/JPS6438014U/ja active Pending
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