JPS6266317U - - Google Patents
Info
- Publication number
- JPS6266317U JPS6266317U JP15583485U JP15583485U JPS6266317U JP S6266317 U JPS6266317 U JP S6266317U JP 15583485 U JP15583485 U JP 15583485U JP 15583485 U JP15583485 U JP 15583485U JP S6266317 U JPS6266317 U JP S6266317U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- constant voltage
- transistor
- voltage circuit
- power supply
- 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
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 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図である。第
２図は従来例を示す図である。
２４……第１定電圧回路、２４ａ……入力端、
２４ｂ……出力端、２８……第２定電圧回路、２
８ａ……入力端、３０……誤差増幅回路、Ｑ１…
…第１トランジスタ、Ｑ２……第２トランジスタ
。
FIG. 1 is a diagram showing an embodiment of the present invention. FIG. 2 is a diagram showing a conventional example. 24...first constant voltage circuit, 24a...input end,
24b... Output end, 28... Second constant voltage circuit, 2
8a...Input terminal, 30...Error amplification circuit, Q1 ...
...first transistor, Q2 ...second transistor.
Claims (1)
低い出力電圧を発する第２定電圧回路を、備える
定電圧電源回路であつて、 前記第１定電圧回路は、 入力端と出力端の間にエミツタ・コレクタが直
列に接続された第１トランジスタと、 前記第１定電圧回路の前記出力端の電圧を基準
電圧と比較する誤差増幅回路と、 ベースに前記誤差増幅回路の出力信号が供給さ
れると共に第１制御電極が前記第１トランジスタ
のベースに接続された第２トランジスタと、 前記第２トランジスタの第２制御電極を前記第
２定電圧回路の入力端に接続する信号路とを、 備えることを特徴とする定電圧電源回路。[Claims for Utility Model Registration] A constant voltage power supply circuit comprising a first constant voltage circuit and a second constant voltage circuit that generates a lower output voltage than the first constant voltage circuit, the first constant voltage circuit comprising: The circuit includes a first transistor having an emitter-collector connected in series between an input terminal and an output terminal, an error amplifier circuit for comparing the voltage at the output terminal of the first constant voltage circuit with a reference voltage, and a base. a second transistor to which the output signal of the error amplification circuit is supplied and a first control electrode connected to the base of the first transistor; and a second control electrode of the second transistor is connected to the input of the second constant voltage circuit. A constant voltage power supply circuit comprising: a signal path connected to one end of the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15583485U JPH0530181Y2 (en) | 1985-10-11 | 1985-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15583485U JPH0530181Y2 (en) | 1985-10-11 | 1985-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6266317U true JPS6266317U (en) | 1987-04-24 |
| JPH0530181Y2 JPH0530181Y2 (en) | 1993-08-02 |
Family
ID=31076890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15583485U Expired - Lifetime JPH0530181Y2 (en) | 1985-10-11 | 1985-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530181Y2 (en) |
-
1985
- 1985-10-11 JP JP15583485U patent/JPH0530181Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530181Y2 (en) | 1993-08-02 |
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