JPH01143511U - - Google Patents
Info
- Publication number
- JPH01143511U JPH01143511U JP3947388U JP3947388U JPH01143511U JP H01143511 U JPH01143511 U JP H01143511U JP 3947388 U JP3947388 U JP 3947388U JP 3947388 U JP3947388 U JP 3947388U JP H01143511 U JPH01143511 U JP H01143511U
- Authority
- JP
- Japan
- Prior art keywords
- distortion
- amplifier
- output voltage
- detection signal
- subtraction 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す全体図、第２
図〜第５図は各部の詳細説明図である。
Figure 1 is an overall view showing one embodiment of the present invention;
5 to 5 are detailed explanatory diagrams of each part.
Claims (1)
歪に対応した振幅を有する検出信号を出力する差
動型の歪検出部８と、該検出信号を直流波形に変
換するＡＣ／ＤＣ変換部９と、該変換部９の出力
電圧Ｖ＋を一定値Ｖｃから減算する減算回路１０
と、該減算回路１０の出力電圧Ｖ０２で該増幅器
の入力レベルを減衰させる電子ボリユーム２とを
備えてなることを特徴とする歪改善回路。 Distortion is detected from the difference in input and output waveforms of the amplifier 6,
A differential distortion detection section 8 outputs a detection signal having an amplitude corresponding to the distortion, an AC/DC conversion section 9 converts the detection signal into a DC waveform, and the output voltage V+ of the conversion section 9 is set to a constant value. Subtraction circuit 10 for subtracting from Vc
and an electronic volume 2 that attenuates the input level of the amplifier using the output voltage V 02 of the subtraction circuit 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3947388U JPH01143511U (en) | 1988-03-25 | 1988-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3947388U JPH01143511U (en) | 1988-03-25 | 1988-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01143511U true JPH01143511U (en) | 1989-10-02 |
Family
ID=31265976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3947388U Pending JPH01143511U (en) | 1988-03-25 | 1988-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01143511U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539469A (en) * | 1978-09-14 | 1980-03-19 | Japan Radio Co Ltd | Envelope feedback system |
-
1988
- 1988-03-25 JP JP3947388U patent/JPH01143511U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5539469A (en) * | 1978-09-14 | 1980-03-19 | Japan Radio Co Ltd | Envelope feedback system |
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