JPS61168408U - - Google Patents
Info
- Publication number
- JPS61168408U JPS61168408U JP5020985U JP5020985U JPS61168408U JP S61168408 U JPS61168408 U JP S61168408U JP 5020985 U JP5020985 U JP 5020985U JP 5020985 U JP5020985 U JP 5020985U JP S61168408 U JPS61168408 U JP S61168408U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- comparator
- resistor
- power supply
- transistor
- 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 1
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
図面は本考案の実施例を示す電気回路図である
。
1……トランジスタ、2……第1の抵抗、3…
…負荷、7……比較器、9……信号源、15……
第2の抵抗、16……ダイオード。
The drawing is an electrical circuit diagram showing an embodiment of the present invention. 1...Transistor, 2...First resistor, 3...
...Load, 7...Comparator, 9...Signal source, 15...
Second resistor, 16...diode.
Claims (1)
に接続し、コレクタ端子を電源の他端に接続した
トランジスタと、このトランジスタのベース端子
に出力を与える比較器と、この比較器の一方の入
力端子を接続する信号源と、この比較器の他方の
入力端子と電源との間に設ける第2の抵抗と、前
記比較器の他方の入力端子及びトランジスタのエ
ミツタ端子と第1の抵抗との接続点に設けるダイ
オードとを備えたことを特徴とする定電流回路。 A transistor whose emitter terminal is connected to one end of the power supply via a first resistor and whose collector terminal is connected to the other end of the power supply, a comparator that provides an output to the base terminal of this transistor, and one input of this comparator. A signal source connecting the terminal, a second resistor provided between the other input terminal of the comparator and the power supply, and a connection between the other input terminal of the comparator and the emitter terminal of the transistor and the first resistor. A constant current circuit characterized by comprising a diode provided at a point.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5020985U JPH0521125Y2 (en) | 1985-04-04 | 1985-04-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5020985U JPH0521125Y2 (en) | 1985-04-04 | 1985-04-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61168408U true JPS61168408U (en) | 1986-10-18 |
JPH0521125Y2 JPH0521125Y2 (en) | 1993-05-31 |
Family
ID=30568128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5020985U Expired - Lifetime JPH0521125Y2 (en) | 1985-04-04 | 1985-04-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0521125Y2 (en) |
-
1985
- 1985-04-04 JP JP5020985U patent/JPH0521125Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0521125Y2 (en) | 1993-05-31 |