JPH029914U - - Google Patents
Info
- Publication number
- JPH029914U JPH029914U JP8691288U JP8691288U JPH029914U JP H029914 U JPH029914 U JP H029914U JP 8691288 U JP8691288 U JP 8691288U JP 8691288 U JP8691288 U JP 8691288U JP H029914 U JPH029914 U JP H029914U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- output device
- output
- constant current
- negative
- 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 4
Landscapes
- Control Of Voltage And Current In General (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図はこの考案の第１実施例の要部を示す回
路図、第２図は第２実施例の要部を示す回路図、
第３図は従来の電圧出力装置の要部を示す回路図
、第４図は第３図の電圧出力装置にシンク機能を
持たせるように変更した場合の一例を示す回路図
である。
図面において、１は基準電源、２はオペアンプ
、３はトランジスタ、４は出力端子、１１，１３
は定電流回路である。
FIG. 1 is a circuit diagram showing the main part of the first embodiment of this invention, FIG. 2 is a circuit diagram showing the main part of the second embodiment,
FIG. 3 is a circuit diagram showing essential parts of a conventional voltage output device, and FIG. 4 is a circuit diagram showing an example of a case where the voltage output device of FIG. 3 is modified to have a sink function. In the drawing, 1 is a reference power supply, 2 is an operational amplifier, 3 is a transistor, 4 is an output terminal, 11, 13
is a constant current circuit.
Claims (1)
正負いずれか一極性の出力を発生する増幅回路を
備えた電圧出力装置において、前記増幅回路の出
力端から前記出力の極性と逆電圧となる電源との
間に定電流回路を接続したことを特徴とする電圧
出力装置。 In a voltage output device equipped with an amplifier circuit that is driven by two power supplies of positive voltage and negative voltage and generates a unipolarity output of either positive or negative, a power supply that has a voltage opposite to the polarity of the output from the output terminal of the amplifier circuit. A voltage output device characterized in that a constant current circuit is connected between the voltage output device and the constant current circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8691288U JPH029914U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8691288U JPH029914U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH029914U true JPH029914U (en) | 1990-01-23 |
Family
ID=31311552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8691288U Pending JPH029914U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH029914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005011280A (en) * | 2003-06-23 | 2005-01-13 | Rohm Co Ltd | Power supply circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62248015A (en) * | 1986-04-22 | 1987-10-29 | Nec Corp | Stabilizing constant-voltage circuit |
-
1988
- 1988-06-30 JP JP8691288U patent/JPH029914U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62248015A (en) * | 1986-04-22 | 1987-10-29 | Nec Corp | Stabilizing constant-voltage circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005011280A (en) * | 2003-06-23 | 2005-01-13 | Rohm Co Ltd | Power supply circuit |
| US7221132B2 (en) | 2003-06-23 | 2007-05-22 | Rohm Co. Ltd. | Power supply circuit |