JPS6249320U - - Google Patents
Info
- Publication number
- JPS6249320U JPS6249320U JP1985132628U JP13262885U JPS6249320U JP S6249320 U JPS6249320 U JP S6249320U JP 1985132628 U JP1985132628 U JP 1985132628U JP 13262885 U JP13262885 U JP 13262885U JP S6249320 U JPS6249320 U JP S6249320U
- Authority
- JP
- Japan
- Prior art keywords
- audio
- circuit
- band
- energize
- operational amplifier
- 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
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Filters And Equalizers (AREA)
Description
第1図は本考案の音声帯域フイルタ回路の実施
例のブロツク図、第2図は単位回路の回路図、第
3図は従来例の回路特性図、第4図はハイブリツ
ド回路の使用例の図、第5図は本考案の応用例の
図、第6図は従来例のブロツク図、第7図は従来
例の回路特性図である。
図において、5は単位回路、は単位回路の回
路特性、は単位回路4段接続の回路特性である
。
Fig. 1 is a block diagram of an embodiment of the audio band filter circuit of the present invention, Fig. 2 is a circuit diagram of a unit circuit, Fig. 3 is a circuit characteristic diagram of a conventional example, and Fig. 4 is a diagram of an example of use of a hybrid circuit. , FIG. 5 is a diagram of an applied example of the present invention, FIG. 6 is a block diagram of a conventional example, and FIG. 7 is a circuit characteristic diagram of a conventional example. In the figure, 5 is a unit circuit, 5 is a circuit characteristic of the unit circuit, and 5 is a circuit characteristic of a four-stage connection of unit circuits.
Claims (1)
還回路を形成し、音声周波数帯域で所定の遮断周
波数を有するローパスフイルタの単位回路5を複
数個従続接続し、 該周波数帯域の高域で通過する信号を付勢する
所要の特性を得るよう構成してなることを特徴と
する音声帯域フイルタ回路。[Claims for Utility Model Registration] A secondary filter and an operational amplifier form a feedback circuit, and a plurality of low-pass filter unit circuits 5 having a predetermined cutoff frequency in an audio frequency band are connected in series, 1. An audio band filter circuit characterized in that it is configured to obtain the required characteristics to energize a signal passing in a high frequency range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985132628U JPS6249320U (en) | 1985-08-29 | 1985-08-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985132628U JPS6249320U (en) | 1985-08-29 | 1985-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6249320U true JPS6249320U (en) | 1987-03-26 |
Family
ID=31032193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985132628U Pending JPS6249320U (en) | 1985-08-29 | 1985-08-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6249320U (en) |
-
1985
- 1985-08-29 JP JP1985132628U patent/JPS6249320U/ja active Pending