JPH0263108U - - Google Patents
Info
- Publication number
- JPH0263108U JPH0263108U JP14042488U JP14042488U JPH0263108U JP H0263108 U JPH0263108 U JP H0263108U JP 14042488 U JP14042488 U JP 14042488U JP 14042488 U JP14042488 U JP 14042488U JP H0263108 U JPH0263108 U JP H0263108U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- resistor
- reference voltage
- current mirror
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Electrical Variables (AREA)
Description
第１図は、本考案に係る基準電圧源回路の一実
施例を示す回路図、策２図は、本考案に係る基準
電圧源回路の他の実施例を示す回路図、第３図は
、従来の基準電圧源回路の一例を示す回路図であ
る。
１：定電流回路、２乃至４：電流ミラー回路、
６：出力端子、Ａ１：バツフア回路、Ｑ１乃至Ｑ
１２：トランジスタ。
FIG. 1 is a circuit diagram showing one embodiment of the reference voltage source circuit according to the present invention, FIG. 2 is a circuit diagram showing another embodiment of the reference voltage source circuit according to the present invention, and FIG. FIG. 2 is a circuit diagram showing an example of a conventional reference voltage source circuit. 1: constant current circuit, 2 to 4: current mirror circuit,
6: Output terminal, A 1 : Buffer circuit, Q 1 to Q
12 : Transistor.
Claims (1)
流ミラー回路の出力段の第１乃至第３のトランジ
スタを具え、該第１のトランジスタのコレクタが
第２の電流ミラー回路の第４のトランジスタのベ
ース・コレクタに接続され、該第２の電流ミラー
回路の出力段の第５のトランジスタのコレクタと
該第２のトランジスタのコレクタとの間に第１の
抵抗が接続され、該第３のトランジスタのコレク
タが第６のトランジスタのベース・コレクタと第
２の抵抗の一端に接続され、該第２の抵抗の他端
が該第５のトランジスタのコレクタに接続され、
該第５のトランジスタのコレクタとエミツタ間に
第３の抵抗に接続され、該第２のトランジスタの
コレクタと該第１の抵抗の接続点から基準電圧を
得ることを特徴とする基準電圧源回路。 (2) 前記第２と第３の抵抗の接続点と、該第１
の抵抗と該第４のトランジスタのコレクタとの接
続点間にバツフア回路を接続したことを特徴とす
る基準電圧源回路。[Claims for Utility Model Registration] (1) The first to third transistors of the output stage of the first current mirror circuit output constant currents that are equal to each other, and the collector of the first transistor is connected to the second transistor. a first resistor connected to the base-collector of the fourth transistor of the current mirror circuit, and between the collector of the fifth transistor of the output stage of the second current mirror circuit and the collector of the second transistor; connected, the collector of the third transistor is connected to the base collector of the sixth transistor and one end of the second resistor, the other end of the second resistor is connected to the collector of the fifth transistor,
A reference voltage source circuit, characterized in that a third resistor is connected between the collector and emitter of the fifth transistor, and a reference voltage is obtained from a connection point between the collector of the second transistor and the first resistor. (2) The connection point between the second and third resistors and the first
A reference voltage source circuit characterized in that a buffer circuit is connected between a connection point between the resistor and the collector of the fourth transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14042488U JPH067379Y2 (en) | 1988-10-27 | 1988-10-27 | Reference voltage source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14042488U JPH067379Y2 (en) | 1988-10-27 | 1988-10-27 | Reference voltage source circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0263108U true JPH0263108U (en) | 1990-05-11 |
| JPH067379Y2 JPH067379Y2 (en) | 1994-02-23 |
Family
ID=31404580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14042488U Expired - Lifetime JPH067379Y2 (en) | 1988-10-27 | 1988-10-27 | Reference voltage source circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067379Y2 (en) |
-
1988
- 1988-10-27 JP JP14042488U patent/JPH067379Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067379Y2 (en) | 1994-02-23 |
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