JPS62169523U - - Google Patents
Info
- Publication number
- JPS62169523U JPS62169523U JP5736886U JP5736886U JPS62169523U JP S62169523 U JPS62169523 U JP S62169523U JP 5736886 U JP5736886 U JP 5736886U JP 5736886 U JP5736886 U JP 5736886U JP S62169523 U JPS62169523 U JP S62169523U
- Authority
- JP
- Japan
- Prior art keywords
- volumes
- sliding
- terminal
- amplifier
- switch
- 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 2
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図はこの考案のレベル調整回路の一実施例
図、第２図は従来のレベル調整回路図である。
ＳＷ１，ＳＷ２，ＳＷ３……スイツチ、ＲＶ１
，ＲＶ２……ボリユーム、Ｑ……ＦＥＴ。
FIG. 1 is a diagram of an embodiment of the level adjustment circuit of this invention, and FIG. 2 is a diagram of a conventional level adjustment circuit. SW 1 , SW 2 , SW 3 ... switch, RV 1
, RV 2 ...Volume, Q...FET.
Claims (1)
前記スイツチで選択された入力信号を増幅する増
幅器と、前記増幅器の出力に並列接続されたｎ個
のボリユームと、前記ｎ個のボリユームのうち任
意の１つのボリユームの摺動端子と他各ボリユー
ムの摺動端子間に直列接続された（ｎ−１）個の
ＦＥＴと、前記（ｎ−１）個のＦＥＴの導通を制
御する制御手段とから成り、前記任意の１つのボ
リユームの摺動端子を出力端としたことを特徴と
するレベル調整回路。 a switch for selecting n plural input signals;
an amplifier that amplifies the input signal selected by the switch, n volumes connected in parallel to the output of the amplifier, a sliding terminal of any one volume among the n volumes, and a sliding terminal of each of the other volumes. It consists of (n-1) FETs connected in series between sliding terminals, and a control means for controlling conduction of the (n-1) FETs, and the sliding terminal of any one volume A level adjustment circuit characterized by having an output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5736886U JPS62169523U (en) | 1986-04-16 | 1986-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5736886U JPS62169523U (en) | 1986-04-16 | 1986-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62169523U true JPS62169523U (en) | 1987-10-27 |
Family
ID=30887005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5736886U Pending JPS62169523U (en) | 1986-04-16 | 1986-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62169523U (en) |
-
1986
- 1986-04-16 JP JP5736886U patent/JPS62169523U/ja active Pending