JPS60136543U - electronic control circuit - Google Patents
electronic control circuitInfo
- Publication number
- JPS60136543U JPS60136543U JP2408384U JP2408384U JPS60136543U JP S60136543 U JPS60136543 U JP S60136543U JP 2408384 U JP2408384 U JP 2408384U JP 2408384 U JP2408384 U JP 2408384U JP S60136543 U JPS60136543 U JP S60136543U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- inverting amplifier
- input
- output side
- electronic control
- 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
- Electronic Switches (AREA)
- Control Of Amplification And Gain Control (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図は従来の電子音量調整回路、第２図は切換えノイ
ズが発生する原因を図解する図、第３図は本考案の一実
施例を示すブロック図である。
１・・・制御回路、２，２′・・・入力端、３，３′・
・・出力端、４・・・アナログスイッチ素子群、５・・
・制御部、５′・・・入力部、１０・・・入力端子、１
１・・・出力端子、１２・・・非反転増幅器、１３・・
・反転増幅器、１４・・・加算用抵抗、１４□、１４□
・・・入力端、１５・・・加算用スイッチ。FIG. 1 is a conventional electronic volume adjustment circuit, FIG. 2 is a diagram illustrating the cause of switching noise, and FIG. 3 is a block diagram showing an embodiment of the present invention. 1... Control circuit, 2, 2'... Input terminal, 3, 3'.
...Output end, 4...Analog switch element group, 5...
・Control section, 5'... Input section, 10... Input terminal, 1
1... Output terminal, 12... Non-inverting amplifier, 13...
・Inverting amplifier, 14...Additional resistor, 14□, 14□
...Input end, 15...Switch for addition.
Claims (1)
子およびこのアナログスイッチ素子を選択的に導通させ
る制御部を有する制御回路を２チヤンネル具備するもの
において、上記制御部の一方にはその入出力側に非反転
増幅器を、他方にはその入出力側に反転増幅器をそれぞ
れ設けると共に、上記制御部の出力側にある非反転増幅
器出力および反転増幅器出力を加算する加算部を設けて
なり、この加算部は、制御部の制御時のみ動作するよう
に構成されていることを特徴とする電子制御回路。A two-channel control circuit having an analog switch element for selectively outputting an input signal and a control section for selectively making the analog switch element conductive, wherein one of the control sections has a control circuit on the input/output side. A non-inverting amplifier is provided on the input/output side of the non-inverting amplifier, and an inverting amplifier is provided on the input/output side of the other, and an adder is provided for adding the output of the non-inverting amplifier and the output of the inverting amplifier on the output side of the control section. , an electronic control circuit configured to operate only when controlled by a control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2408384U JPS60136543U (en) | 1984-02-21 | 1984-02-21 | electronic control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2408384U JPS60136543U (en) | 1984-02-21 | 1984-02-21 | electronic control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60136543U true JPS60136543U (en) | 1985-09-10 |
Family
ID=30517906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2408384U Pending JPS60136543U (en) | 1984-02-21 | 1984-02-21 | electronic control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60136543U (en) |
-
1984
- 1984-02-21 JP JP2408384U patent/JPS60136543U/en active Pending
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