JPS59155613U - constant current power supply - Google Patents
constant current power supplyInfo
- Publication number
- JPS59155613U JPS59155613U JP4829383U JP4829383U JPS59155613U JP S59155613 U JPS59155613 U JP S59155613U JP 4829383 U JP4829383 U JP 4829383U JP 4829383 U JP4829383 U JP 4829383U JP S59155613 U JPS59155613 U JP S59155613U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- differential amplifier
- comparator
- transistor
- voltage 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.)
- Granted
Links
Landscapes
- Continuous-Control Power Sources That Use Transistors (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の定電流電源回路を示す回路図、第２図は
本考案の一実施例を示す回路図である。
図に於いて、１は標定電流設定用電圧源、２は差動増幅
器、３はトランジスタ、４は＋側出力端子、５は負荷抵
抗、６は一側出力端子、７は電流値検出用抵抗、８．１
２は電圧源、９はコンパレータ、１０はリレーのコイル
、１１はリレーの接点である。FIG. 1 is a circuit diagram showing a conventional constant current power supply circuit, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. In the figure, 1 is a voltage source for setting the standard current, 2 is a differential amplifier, 3 is a transistor, 4 is a + side output terminal, 5 is a load resistor, 6 is one side output terminal, 7 is a current value detection resistor , 8.1
2 is a voltage source, 9 is a comparator, 10 is a relay coil, and 11 is a relay contact.
Claims (1)
増幅器とコンパレータとリレーと抵抗とトランジスタと
から構成され、前記電圧源Ａを前記差動増幅器の十の入
力端子と接続し、前記差動増幅器の出力端子を前記トラ
ンジスタのベース端子と接続し、前記トランジスタのコ
レクタ端子を前記リレーの一方の接点端子と接続し、他
方の接点端子を前記電圧源Ｂと接続し、前記トランジス
タのエミッタ端子を負荷が接続される一方の端子と接続
し、他方の端子を前記抵抗及び前記コンパレータの十の
入力端子及び前記差動増幅器の−の入力端子とそれぞれ
接続し、前記コンパレータの一端子を前記電圧源Ｃと接
続し、前記コンパレータの出力端子と前記リレーのコイ
ル端子を接続した事？特１表する一定電流電源。It is composed of three voltage sources (referred to as A, B and C, respectively), a differential amplifier, a comparator, a relay, a resistor, and a transistor, and the voltage source A is connected to the ten input terminals of the differential amplifier, and the voltage source A is connected to the ten input terminals of the differential amplifier. The output terminal of the differential amplifier is connected to the base terminal of the transistor, the collector terminal of the transistor is connected to one contact terminal of the relay, the other contact terminal is connected to the voltage source B, and the emitter of the transistor is connected to the output terminal of the differential amplifier. A terminal is connected to one terminal to which a load is connected, the other terminal is connected to the resistor and the input terminal of the comparator, and the - input terminal of the differential amplifier, respectively, and one terminal of the comparator is connected to the input terminal of the differential amplifier. Have you connected it to voltage source C, and connected the output terminal of the comparator and the coil terminal of the relay? Constant current power supply shown in Feature 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4829383U JPS59155613U (en) | 1983-04-01 | 1983-04-01 | constant current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4829383U JPS59155613U (en) | 1983-04-01 | 1983-04-01 | constant current power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59155613U true JPS59155613U (en) | 1984-10-19 |
| JPH0248895Y2 JPH0248895Y2 (en) | 1990-12-21 |
Family
ID=30178829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4829383U Granted JPS59155613U (en) | 1983-04-01 | 1983-04-01 | constant current power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155613U (en) |
-
1983
- 1983-04-01 JP JP4829383U patent/JPS59155613U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0248895Y2 (en) | 1990-12-21 |
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