JPS58107635U - analog signal scanner circuit - Google Patents
analog signal scanner circuitInfo
- Publication number
- JPS58107635U JPS58107635U JP406182U JP406182U JPS58107635U JP S58107635 U JPS58107635 U JP S58107635U JP 406182 U JP406182 U JP 406182U JP 406182 U JP406182 U JP 406182U JP S58107635 U JPS58107635 U JP S58107635U
- Authority
- JP
- Japan
- Prior art keywords
- analog signal
- scanner circuit
- photocoupler
- photocouplers
- signal scanner
- 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)
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図は従来例によるフローティング入力形アナログ信
号スキャナ回路図、示２′図は本考案の実施例による同
上スキャナ回路図である。
ＴＲ１ｏ−ＴＲｎ１：ＦＥＴ７オトカプラ、０１〜Ｃｎ
：コンデンサ、ＩＮＶ ｌ″〜ＩＮＶｎ：インバータ、
ＳＮ１〜ＳＮｎ：フォトカプラ切替信号。FIG. 1 is a circuit diagram of a conventional floating input type analog signal scanner, and FIG. 2' is a circuit diagram of the same scanner according to an embodiment of the present invention. TR1o-TRn1: FET7 Oto coupler, 01~Cn
: Capacitor, INV l'' to INVn: Inverter,
SN1 to SNn: Photocoupler switching signals.
Claims (1)
て、アナログ信号の両入力端と両出力端の間に、それぞ
れ第１のフォトカプラと第２のフォトカプラを直列に接
続し、前記第１の両フォトカプラの出力端間にアナログ
信号をチャージするコンデンサを接続し、フォトカプラ
切替信号により前記第２の両フォトカプラをオンし、同
時にインバータを介して前記第゛１の両フォトカプラを
オフするようにしたアナログ信号切替回路を、複数並列
接続したことを特徴とするアナログ信号スキャナ回路。In a floating input type analog signal scanner circuit, a first photocoupler and a second photocoupler are connected in series between both input ends and both output ends of the analog signal, and the outputs of both the first photocouplers are connected in series. A capacitor for charging an analog signal is connected between the terminals, and a photocoupler switching signal turns on both the second photocouplers, and at the same time, the analog signal turns off both the first photocouplers via an inverter. An analog signal scanner circuit characterized by connecting multiple switching circuits in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP406182U JPS58107635U (en) | 1982-01-18 | 1982-01-18 | analog signal scanner circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP406182U JPS58107635U (en) | 1982-01-18 | 1982-01-18 | analog signal scanner circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58107635U true JPS58107635U (en) | 1983-07-22 |
Family
ID=30016936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP406182U Pending JPS58107635U (en) | 1982-01-18 | 1982-01-18 | analog signal scanner circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58107635U (en) |
-
1982
- 1982-01-18 JP JP406182U patent/JPS58107635U/en active Pending
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