JPS62166515U - - Google Patents
Info
- Publication number
- JPS62166515U JPS62166515U JP5250286U JP5250286U JPS62166515U JP S62166515 U JPS62166515 U JP S62166515U JP 5250286 U JP5250286 U JP 5250286U JP 5250286 U JP5250286 U JP 5250286U JP S62166515 U JPS62166515 U JP S62166515U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- constant voltage
- load circuit
- base
- turned
- 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
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
他の実施例を示す図、第３図は従来例を示す図で
ある。
２０……負荷回路、３０……第１のトランジス
タ、４０……ツエナーダイオード、６０……第２
のトランジスタ。
FIG. 1 shows one embodiment of the present invention, FIG. 2 shows another embodiment, and FIG. 3 shows a conventional example. 20... Load circuit, 30... First transistor, 40... Zener diode, 60... Second
transistor.
Claims (1)
この第１のトランジスタのベースとアース間に接
続された定電圧素子と、前記第１のトランジスタ
と並列に接続された抵抗と、前記第１のトランジ
スタのベース・コレクタ間に接続され且つベース
が前記第１のトランジスタのエミツタに接続され
た第２のトランジスタとを備え、前記負荷回路動
作時、前記負荷回路への電流により前記抵抗で生
じる電圧降下に基づいて前記第２のトランジスタ
をオンせしめることにより前記第１のトランジス
タをオンせしめ、以つて前記負荷回路へ定電圧を
供給するようになしたことを特徴とする定電圧回
路。 a first transistor connected to a load circuit;
a constant voltage element connected between the base of the first transistor and ground; a resistor connected in parallel with the first transistor; and a constant voltage element connected between the base and collector of the first transistor, the base of which is connected to the a second transistor connected to the emitter of the first transistor, and when the load circuit is in operation, the second transistor is turned on based on a voltage drop that occurs in the resistor due to a current flowing to the load circuit. A constant voltage circuit, characterized in that the first transistor is turned on to supply a constant voltage to the load circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5250286U JPS62166515U (en) | 1986-04-08 | 1986-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5250286U JPS62166515U (en) | 1986-04-08 | 1986-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62166515U true JPS62166515U (en) | 1987-10-22 |
Family
ID=30877724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5250286U Pending JPS62166515U (en) | 1986-04-08 | 1986-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62166515U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7090751B2 (en) | 2001-08-31 | 2006-08-15 | Semitool, Inc. | Apparatus and methods for electrochemical processing of microelectronic workpieces |
| US7102763B2 (en) | 2000-07-08 | 2006-09-05 | Semitool, Inc. | Methods and apparatus for processing microelectronic workpieces using metrology |
| US7264698B2 (en) | 1999-04-13 | 2007-09-04 | Semitool, Inc. | Apparatus and methods for electrochemical processing of microelectronic workpieces |
| US7399713B2 (en) | 1998-03-13 | 2008-07-15 | Semitool, Inc. | Selective treatment of microelectric workpiece surfaces |
| US7438788B2 (en) | 1999-04-13 | 2008-10-21 | Semitool, Inc. | Apparatus and methods for electrochemical processing of microelectronic workpieces |
| US7566386B2 (en) | 1999-04-13 | 2009-07-28 | Semitool, Inc. | System for electrochemically processing a workpiece |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59106012A (en) * | 1982-12-09 | 1984-06-19 | Fujitsu Ten Ltd | Constant voltage circuit |
-
1986
- 1986-04-08 JP JP5250286U patent/JPS62166515U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59106012A (en) * | 1982-12-09 | 1984-06-19 | Fujitsu Ten Ltd | Constant voltage circuit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7399713B2 (en) | 1998-03-13 | 2008-07-15 | Semitool, Inc. | Selective treatment of microelectric workpiece surfaces |
| US7264698B2 (en) | 1999-04-13 | 2007-09-04 | Semitool, Inc. | Apparatus and methods for electrochemical processing of microelectronic workpieces |
| US7438788B2 (en) | 1999-04-13 | 2008-10-21 | Semitool, Inc. | Apparatus and methods for electrochemical processing of microelectronic workpieces |
| US7566386B2 (en) | 1999-04-13 | 2009-07-28 | Semitool, Inc. | System for electrochemically processing a workpiece |
| US7102763B2 (en) | 2000-07-08 | 2006-09-05 | Semitool, Inc. | Methods and apparatus for processing microelectronic workpieces using metrology |
| US7090751B2 (en) | 2001-08-31 | 2006-08-15 | Semitool, Inc. | Apparatus and methods for electrochemical processing of microelectronic workpieces |