JPS60652U - Highest voltage selection circuit - Google Patents
Highest voltage selection circuitInfo
- Publication number
- JPS60652U JPS60652U JP9310283U JP9310283U JPS60652U JP S60652 U JPS60652 U JP S60652U JP 9310283 U JP9310283 U JP 9310283U JP 9310283 U JP9310283 U JP 9310283U JP S60652 U JPS60652 U JP S60652U
- Authority
- JP
- Japan
- Prior art keywords
- constant current
- current source
- connection point
- selection circuit
- voltage selection
- 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
Landscapes
- Control Of Electrical Variables (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の回路図である。
Ｔ Ｉ 、 Ｔ２ 、−−−、 Ｔｎ−−−−−−入力
端子、Ｑｌ、 Ｑ２゜・・・、 Ｑｎ・・・・・−ＮＰ
Ｎ ）ランジスタ、３・・・・・・等価ダイオード、４
・・・・・・出力端子、５・・・・・・第１の定電流源
、６・・・・・・第２の定電流源。FIG. 1 is a circuit diagram of an embodiment of the present invention. T I, T2, ---, Tn----input terminal, Ql, Q2゜..., Qn...-NP
N) Transistor, 3...Equivalent diode, 4
... Output terminal, 5 ... First constant current source, 6 ... Second constant current source.
Claims (1)
ランジスタの各ベースが接続され、前記トランジスタの
コレクタは共に接続されて電源の一方の出力端子に接続
され、前記トランジスタのエミッタは共通に接続され、
この共通接続点には、第１の定電流源から、コレクタと
エミッタとを短絡してアノードとしエミッタをカードと
したトランジスタからなる等価ダイオードを介して定電
流が流れ込むように接続され、さらに前記共通接続点と
前記電源の他方の端子との間に前記第１の定電流源の２
倍の定電流を流す第２の定電流源が接続され、かつ、前
記第１の定電流源と等価ダイオードとの接続点から出力
端子が取出されていることを特徴とする最高電圧選択回
路。(Multiple NPN corresponding to each of the multiple input terminals)
the bases of each transistor are connected, the collectors of the transistors are connected together and connected to one output terminal of a power supply, the emitters of the transistors are connected in common;
This common connection point is connected so that a constant current flows from the first constant current source through an equivalent diode consisting of a transistor whose collector and emitter are short-circuited and whose anode and emitter are used as cards, and further 2 of the first constant current source between the connection point and the other terminal of the power source.
A highest voltage selection circuit characterized in that a second constant current source that flows double the constant current is connected, and an output terminal is taken out from a connection point between the first constant current source and an equivalent diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9310283U JPS60652U (en) | 1983-06-17 | 1983-06-17 | Highest voltage selection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9310283U JPS60652U (en) | 1983-06-17 | 1983-06-17 | Highest voltage selection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60652U true JPS60652U (en) | 1985-01-07 |
Family
ID=30223721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9310283U Pending JPS60652U (en) | 1983-06-17 | 1983-06-17 | Highest voltage selection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53103341U (en) * | 1977-01-26 | 1978-08-19 |
-
1983
- 1983-06-17 JP JP9310283U patent/JPS60652U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53103341U (en) * | 1977-01-26 | 1978-08-19 |
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