JPS58108517U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS58108517U JPS58108517U JP454682U JP454682U JPS58108517U JP S58108517 U JPS58108517 U JP S58108517U JP 454682 U JP454682 U JP 454682U JP 454682 U JP454682 U JP 454682U JP S58108517 U JPS58108517 U JP S58108517U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- zener diode
- self
- connection point
- adjusting
- 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
- Control Of Electrical Variables (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図ａ乃至Ｃは従来の電源回路を示す回路図、第２図
は第１図に示すツェナーダイオードの電圧対電流特性図
、第３図は本考案による電源回路の一実施例を示す回路
図、第４図は第３図に示すツェナーダイオードの電圧対
電流特性図である。
１４・・・・・・電流制限剤抵抗、 １５−−−−−−
ツェナーダイオード、１６・・・・・・制御用トランジ
スタ、１７・・・・・・自己バイアス量調整用抵抗、１
Ｂ・・曲ツェナーダイオード、１９・・・・・・負荷。1A to 1C are circuit diagrams showing conventional power supply circuits, FIG. 2 is a voltage-current characteristic diagram of the Zener diode shown in FIG. 1, and FIG. 3 is a circuit diagram showing an embodiment of the power supply circuit according to the present invention. 4 is a voltage versus current characteristic diagram of the Zener diode shown in FIG. 3. 14... Current limiter resistance, 15------
Zener diode, 16...Control transistor, 17...Resistor for self-bias amount adjustment, 1
B... Zener diode, 19...Load.
Claims (1)
抗とツェナーダイオードを含む直列回路を接続し、この
電流制限用抵抗とツェナーダイオードの一端側との接続
点を制御用トランジスタの、ベース側に接続し、該制御
用トランジスタのコレクタ側を前記各入力端子の一方と
前記電流−両用抵抗との接続点に接続するとともに、そ
のエミッタ側と前記ツェナーダイオードの他端側との間
に自己バイアス量調整用抵抗とツェナーダイオード・を
直列接続し、前記制御用トランジスタのエミッ・ タ側
と自己バイアス量調整用抵抗との接続点を１つの出力端
子に接続し、かつ前記自己バイアス量−調整用抵抗とツ
ェナーダイオードとの接続点をもう１つの出力端子に接
続してなることを特徴とす ′る電源回路。A series circuit including a current limiting resistor and a Zener diode is connected between the input terminals to which DC power supply voltage is supplied, and the connection point between the current limiting resistor and one end of the Zener diode is connected to the base side of the control transistor. The collector side of the control transistor is connected to the connection point between one of the input terminals and the current-duplex resistor, and a self-bias is connected between the emitter side and the other end side of the Zener diode. A resistor for adjusting the self-bias amount and a Zener diode are connected in series, a connection point between the emitter side of the control transistor and the resistor for adjusting the self-bias amount is connected to one output terminal, and the resistor for adjusting the self-bias amount is connected in series. A power supply circuit characterized in that the connection point between the resistor and the Zener diode is connected to another output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP454682U JPS58108517U (en) | 1982-01-19 | 1982-01-19 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP454682U JPS58108517U (en) | 1982-01-19 | 1982-01-19 | power circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58108517U true JPS58108517U (en) | 1983-07-23 |
| JPH0248894Y2 JPH0248894Y2 (en) | 1990-12-21 |
Family
ID=30017391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP454682U Granted JPS58108517U (en) | 1982-01-19 | 1982-01-19 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58108517U (en) |
-
1982
- 1982-01-19 JP JP454682U patent/JPS58108517U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0248894Y2 (en) | 1990-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58108517U (en) | power circuit | |
| JPS5857289U (en) | switching regulator | |
| JPS6028483U (en) | Series controlled chopper circuit | |
| JPS6087017U (en) | Constant current circuit with voltage limit | |
| JPS5854714U (en) | constant voltage circuit | |
| JPS59119624U (en) | voltage limit circuit | |
| JPS5980811U (en) | voltage stabilization circuit | |
| JPS60119894U (en) | DC/DC converter | |
| JPS59104218U (en) | Constant voltage power supply circuit with current limit | |
| JPS6137515U (en) | Constant voltage power supply circuit | |
| JPS5854717U (en) | constant voltage circuit | |
| JPS58131189U (en) | Ringing choke converter startup circuit | |
| JPS6039121U (en) | protection circuit | |
| JPS58195312U (en) | Stabilized power supply circuit | |
| JPS59161734U (en) | Schmitt circuit | |
| JPS59169618U (en) | Stabilized power supply circuit | |
| JPS58175415U (en) | sensor circuit | |
| JPS59182724U (en) | Stabilized power supply circuit | |
| JPS58171525U (en) | current limit circuit | |
| JPS612783U (en) | Ringing choke converter | |
| JPS586436U (en) | switching device | |
| JPS5963713U (en) | Stabilized power supply circuit device | |
| JPS6016221U (en) | DC power supply | |
| JPS5836409U (en) | constant voltage circuit | |
| JPS5885212U (en) | constant voltage device |