JPS5813729U - filter circuit - Google Patents
filter circuitInfo
- Publication number
- JPS5813729U JPS5813729U JP10543881U JP10543881U JPS5813729U JP S5813729 U JPS5813729 U JP S5813729U JP 10543881 U JP10543881 U JP 10543881U JP 10543881 U JP10543881 U JP 10543881U JP S5813729 U JPS5813729 U JP S5813729U
- Authority
- JP
- Japan
- Prior art keywords
- filter circuit
- input terminal
- amplifier
- inverting input
- resistors
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来におけるスーパウーファ駆動用回路の一例
を示す回路図、第２図はアクティブフィルタ（口ｉパス
）の−例を示す回路図、第３図はこの考案の一例を示す
回路図、第４図はＲ１／Ｒ２＞Ｒ３／Ｒ４の条件が満た
されてない場合の第３図の回路の特性を示すグラフ、第
５図はこの考案の他の実施例を示す回路図である。
６・・・・・・メインアンプ（非反転アンプ）、７・・
・・・・スーパウーファ。FIG. 1 is a circuit diagram showing an example of a conventional superwoofer driving circuit, FIG. 2 is a circuit diagram showing an example of an active filter (i-pass), and FIG. 3 is a circuit diagram showing an example of this invention. FIG. 4 is a graph showing the characteristics of the circuit shown in FIG. 3 when the condition R1/R2>R3/R4 is not satisfied, and FIG. 5 is a circuit diagram showing another embodiment of this invention. 6... Main amplifier (non-inverting amplifier), 7...
...Super woofer.
Claims (1)
入力端に加え、前記非反転入力端子をコンデンサＣ２で
接地し、前記増幅器の出力を抵抗分圧して、その分圧点
をコンデンサＣ１を介して前記抵抗Ｒ１，Ｒ２の接続点
に接続し、前記分圧点と等しい電圧を前記増幅器の反転
入力端へ印加してなるフィルタ回路。The input signal is applied to the non-inverting input terminal of the amplifier via series resistors R1 and R2, the non-inverting input terminal is grounded with a capacitor C2, the output of the amplifier is divided into resistors, and the voltage dividing point is connected to the capacitor C1. A filter circuit connected to the connection point of the resistors R1 and R2 through the filter circuit and applying a voltage equal to the voltage dividing point to the inverting input terminal of the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10543881U JPS5813729U (en) | 1981-07-17 | 1981-07-17 | filter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10543881U JPS5813729U (en) | 1981-07-17 | 1981-07-17 | filter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5813729U true JPS5813729U (en) | 1983-01-28 |
Family
ID=29899975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10543881U Pending JPS5813729U (en) | 1981-07-17 | 1981-07-17 | filter circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5813729U (en) |
-
1981
- 1981-07-17 JP JP10543881U patent/JPS5813729U/en active Pending
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