JPH0469916U - - Google Patents
Info
- Publication number
- JPH0469916U JPH0469916U JP11366490U JP11366490U JPH0469916U JP H0469916 U JPH0469916 U JP H0469916U JP 11366490 U JP11366490 U JP 11366490U JP 11366490 U JP11366490 U JP 11366490U JP H0469916 U JPH0469916 U JP H0469916U
- Authority
- JP
- Japan
- Prior art keywords
- variable gain
- gain amplifier
- frequency band
- pass filter
- 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 6
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案実施例の構成を示す説明図、第
２図は可変利得増幅器の具体例を示す構成図、第
３図はハイパスフイルタの具体例を示す構成図、
第４図は整流回路の具体例を示す構成図、第５図
は無歪みの楽音信号の周波数成分分布図、第６図
は飽和により歪んだ楽音信号の周波数成分分布図
である。
１は可変利得増幅器、２はハイパスフイルタ、
３は整流回路である。
FIG. 1 is an explanatory diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a configuration diagram showing a specific example of a variable gain amplifier, and FIG. 3 is a configuration diagram showing a specific example of a high-pass filter.
FIG. 4 is a block diagram showing a specific example of a rectifier circuit, FIG. 5 is a frequency component distribution diagram of an undistorted musical tone signal, and FIG. 6 is a frequency component distribution diagram of a musical tone signal distorted by saturation. 1 is a variable gain amplifier, 2 is a high pass filter,
3 is a rectifier circuit.
Claims (1)
力信号から規定のオーデイオ周波数帯域より高い
周波数帯域に発生した歪み成分を抽出するハイパ
スフイルタ２と、当該ハイパスフイルタ２によつ
て抽出された歪み成分を前記可変利得増幅器１に
帰還して該可変利得増幅器１の利得を下げるため
の直流レベルの帰還信号に変換する整流回路３と
からなることを特徴とする歪み制限増幅器。 A variable gain amplifier 1, a high pass filter 2 for extracting distortion components generated in a frequency band higher than a specified audio frequency band from the output signal of the variable gain amplifier 1, and a high pass filter 2 for extracting distortion components generated in a frequency band higher than a specified audio frequency band from the output signal of the variable gain amplifier 1; A distortion limiting amplifier comprising a rectifier circuit 3 that feeds back to the variable gain amplifier 1 and converts it into a DC level feedback signal for lowering the gain of the variable gain amplifier 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11366490U JPH0469916U (en) | 1990-10-29 | 1990-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11366490U JPH0469916U (en) | 1990-10-29 | 1990-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469916U true JPH0469916U (en) | 1992-06-22 |
Family
ID=31861269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11366490U Pending JPH0469916U (en) | 1990-10-29 | 1990-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469916U (en) |
-
1990
- 1990-10-29 JP JP11366490U patent/JPH0469916U/ja active Pending
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