JPH0361726U - - Google Patents
Info
- Publication number
- JPH0361726U JPH0361726U JP12340089U JP12340089U JPH0361726U JP H0361726 U JPH0361726 U JP H0361726U JP 12340089 U JP12340089 U JP 12340089U JP 12340089 U JP12340089 U JP 12340089U JP H0361726 U JPH0361726 U JP H0361726U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- circuit
- emitter
- whose
- 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
- 230000007257 malfunction Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の原理を示す回路図、第２図は
本考案の実施例を示す回路図、第３図はリークカ
ツト抵抗を用いた誤動作防止回路の一例を示す回
路図、第４図はトランジスタによる電流制御回路
を示す回路図である。
図中、ＴＲ１０，ＴＲ１１，ＴＲ２０，……ト
ランジスタ、Ｒ１０……抵抗。
Fig. 1 is a circuit diagram showing the principle of the present invention, Fig. 2 is a circuit diagram showing an embodiment of the invention, Fig. 3 is a circuit diagram showing an example of a malfunction prevention circuit using a leak cut resistor, and Fig. 4 is a circuit diagram showing an example of a malfunction prevention circuit using a leak cut resistor. FIG. 2 is a circuit diagram showing a current control circuit using transistors. In the figure, TR10, TR11, TR20,... transistor, R10... resistor.
Claims (1)
流により、該第１トランジスタに流れる電流を制
御するトランジスタ回路における誤動作防止回路
であつて、 一端が該第１トランジスタのベースに接続され
た抵抗と、 該抵抗の他端にそのエミツタが接続され、また
ベースが前記第１トランジスタのエミツタに接続
され、更にコレクタが電源電位または接地電位に
接続されており、且つ前記制御電流に対してベー
スエミツタ間が順方向接合である第２のトランジ
スタとを具備することを特徴とするトランジスタ
回路の誤動作防止回路。[Claims for Utility Model Registration] A malfunction prevention circuit in a transistor circuit that controls a current flowing through a first transistor by a control current applied to the base of the first transistor, one end of which is connected to the base of the first transistor. a resistor whose emitter is connected to the other end of the resistor, whose base is connected to the emitter of the first transistor, and whose collector is connected to a power supply potential or ground potential, and which is connected to the control current. 1. A malfunction prevention circuit for a transistor circuit, comprising: a second transistor having a base-emitter forward junction;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12340089U JPH0361726U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12340089U JPH0361726U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361726U true JPH0361726U (en) | 1991-06-17 |
Family
ID=31671379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12340089U Pending JPH0361726U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361726U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5443638U (en) * | 1977-09-02 | 1979-03-26 | ||
| JPS5568708A (en) * | 1978-11-17 | 1980-05-23 | Matsushita Electric Ind Co Ltd | Signal amplifier circuit |
-
1989
- 1989-10-20 JP JP12340089U patent/JPH0361726U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5443638U (en) * | 1977-09-02 | 1979-03-26 | ||
| JPS5568708A (en) * | 1978-11-17 | 1980-05-23 | Matsushita Electric Ind Co Ltd | Signal amplifier circuit |