JPH01111312U - - Google Patents
Info
- Publication number
- JPH01111312U JPH01111312U JP496288U JP496288U JPH01111312U JP H01111312 U JPH01111312 U JP H01111312U JP 496288 U JP496288 U JP 496288U JP 496288 U JP496288 U JP 496288U JP H01111312 U JPH01111312 U JP H01111312U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- floating
- load
- zener diode
- supply circuit
- 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
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回路図、第２
図は本考案の従来例を示す回路図である。
１…浮動直流電源、２…ツエナー・ダイオード
のバイアス用抵抗、３…ツエナー・ダイオード、
４…分圧用の抵抗、５…トランジスタ、６…負荷
抵抗、７…第１の負荷、８…第２の負荷、Ｉ０…
駆動電流、Ｉ１…第１の負荷に流れる電流、Ｉ２
…第２の負荷に流れる電流、Ｉ３…分圧用の抵抗
に流れる電流、Ｉ４…総電流。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a conventional example of the present invention. 1... Floating DC power supply, 2... Zener diode bias resistance, 3... Zener diode,
4...Resistance for voltage division, 5...Transistor, 6...Load resistance, 7...First load, 8...Second load, I0 ...
Drive current, I 1 ... Current flowing through the first load, I 2
...Current flowing through the second load, I3 ...Current flowing through the voltage dividing resistor, I4 ...Total current.
Claims (1)
給する電源回路において、 前記浮動直流電源の両端にツエナー・ダイオー
ドとツエナー・ダイオードのバイアス用抵抗の直
列回路を接続し、該直列回路の中点にベースを接
続し、エミツタを接地し、コレクタを負荷抵抗を
介して前記バイアス用抵抗と前記浮動直流電源と
の接続点に接続したトランジスタと、前記浮動直
流電源と前記ツエナー・ダイオードの接続点と接
地間に第１の負荷を接続して構成した第１の直流
電源回路と、 前記第１の直流電源回路の出力電位を基準にし
て前記浮動直流電源の基準電位を固定し、該浮動
直流電源の両端に第２の負荷を接続して構成した
第２の直流電源回路とを備えたことを特徴とする
電源回路。[Claim for Utility Model Registration] In a power supply circuit that supplies two systems of DC power from one floating DC power supply, a series circuit of a Zener diode and a Zener diode bias resistor is connected to both ends of the floating DC power supply. , a transistor having a base connected to the midpoint of the series circuit, an emitter grounded, and a collector connected via a load resistor to a connection point between the bias resistor and the floating DC power supply; a first DC power supply circuit configured by connecting a first load between a Zener diode connection point and ground; and a reference potential of the floating DC power supply based on an output potential of the first DC power supply circuit. A power supply circuit comprising: a second DC power supply circuit configured by a fixed floating DC power supply and a second load connected to both ends of the floating DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP496288U JPH01111312U (en) | 1988-01-19 | 1988-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP496288U JPH01111312U (en) | 1988-01-19 | 1988-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111312U true JPH01111312U (en) | 1989-07-27 |
Family
ID=31207932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP496288U Pending JPH01111312U (en) | 1988-01-19 | 1988-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111312U (en) |
-
1988
- 1988-01-19 JP JP496288U patent/JPH01111312U/ja active Pending