JPS61103719U - - Google Patents
Info
- Publication number
- JPS61103719U JPS61103719U JP18911984U JP18911984U JPS61103719U JP S61103719 U JPS61103719 U JP S61103719U JP 18911984 U JP18911984 U JP 18911984U JP 18911984 U JP18911984 U JP 18911984U JP S61103719 U JPS61103719 U JP S61103719U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- fixed resistors
- voltage
- switch
- current source
- 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
Description
第１図は本考案の一実施例の接続図、第２図は
従来装置の接続図である。
１……定電流源、Ｒ１，Ｒ２，…，Ｒ６……固
定抵抗、ＲＶ，ＲＺ……可変抵抗、ＲＳ２……ス
パン調整用可変抵抗、ＳＷ……切換スイツチ、Ｕ
……バツフアアンプ、１１，１２……出力端子。
FIG. 1 is a connection diagram of an embodiment of the present invention, and FIG. 2 is a connection diagram of a conventional device. 1... Constant current source, R1, R2,..., R6... Fixed resistance, RV, RZ... Variable resistor, RS2... Variable resistor for span adjustment, SW... Selector switch, U
... Buffer amplifier, 11, 12 ... Output terminal.
Claims (1)
る互いに直列接続した複数個の固定抵抗、これら
固定抵抗の直列回路と共通ライン間に接続した可
変抵抗と、前記複数個の固定抵抗の各接続点の電
圧を切り換えて取り出すスイツチと、このスイツ
チと共通ライン間の電圧を入力するバツフアアン
プとを具備した電圧設定装置。 A constant current source, a plurality of fixed resistors connected in series through which a constant current flows from the constant current source, a variable resistor connected between the series circuit of these fixed resistors and a common line, and each of the plurality of fixed resistors. A voltage setting device equipped with a switch that switches and outputs the voltage at a connection point, and a buffer amplifier that inputs the voltage between the switch and a common line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18911984U JPS61103719U (en) | 1984-12-13 | 1984-12-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18911984U JPS61103719U (en) | 1984-12-13 | 1984-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61103719U true JPS61103719U (en) | 1986-07-02 |
Family
ID=30746579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18911984U Pending JPS61103719U (en) | 1984-12-13 | 1984-12-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61103719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006059438A1 (en) * | 2004-11-30 | 2006-06-08 | Rohm Co., Ltd | Voltage generating circuit, constant current circuit and light emitting diode driving circuit |
-
1984
- 1984-12-13 JP JP18911984U patent/JPS61103719U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006059438A1 (en) * | 2004-11-30 | 2006-06-08 | Rohm Co., Ltd | Voltage generating circuit, constant current circuit and light emitting diode driving circuit |
| JPWO2006059438A1 (en) * | 2004-11-30 | 2008-06-05 | ローム株式会社 | Voltage generation circuit, constant current circuit, and light emitting diode drive circuit |
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