JPS6137634U - switching circuit - Google Patents
switching circuitInfo
- Publication number
- JPS6137634U JPS6137634U JP12319284U JP12319284U JPS6137634U JP S6137634 U JPS6137634 U JP S6137634U JP 12319284 U JP12319284 U JP 12319284U JP 12319284 U JP12319284 U JP 12319284U JP S6137634 U JPS6137634 U JP S6137634U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- whose
- collector
- emitter
- 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
- Electronic Switches (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示すスイッチング回路の
回路図、第２図は出力トランジスタの負荷電流７ベース
電流特性及び負荷電流一飽和電圧特性を示す特性図、第
３図は従来装置を示す回路図である。
Ｑ．〜Ｑ３＝トランジスタ、Ｑ，：逆極性トランジスタ
、Ｄ１：ダイオード、Ｒ１〜Ｒ３：抵抗、■ｏ：電源端
子、ＯＵＴ：出力端子、ＧＮＤ ：接地端子、Ｖ．：ス
イッチング入力信号、ＶＣＣ電源電圧、ＶＣＩＺ（’ｓ
ａ，，：飽和電圧、■ｃ：負荷電流、ＩＢ＝負荷電流。Fig. 1 is a circuit diagram of a switching circuit showing an embodiment of this invention, Fig. 2 is a characteristic diagram showing load current 7 base current characteristics and load current - saturation voltage characteristics of the output transistor, and Fig. 3 shows a conventional device. FIG. Q. ~Q3=transistor, Q,: reverse polarity transistor, D1: diode, R1-R3: resistor, ■o: power supply terminal, OUT: output terminal, GND: ground terminal, V. : Switching input signal, VCC power supply voltage, VCIZ('s
a,,: saturation voltage, ■c: load current, IB = load current.
Claims (1)
続された第１のトランジスタと、該第１のトランジスタ
のエミツタがベースに接続されコレクタが負荷に接続さ
れる出力端子に接続されたエミツタ接地の第２のトラン
ジスタと、前記第１のトランジスタのベースにコレクタ
が接続されベースがスイッチング信号の入力端子に接続
されたエミツタ接地の第３のトラシジスタからなるスイ
ッチング回路において、前記各トランジスタとは逆極性
の第４のトランジスタのエミツタを抵抗素子を介して前
記第１のトランジスタのベースに接続し、該第４のトラ
ンジスタのコレクタを前記第２のトランジスタのベース
に接続し、該第４のトランジスタのベースを前記出力端
子に接続したことを特徴とするスイッチソグ回路。a first transistor whose base and collector are connected to a power supply through a current limiting element; and a second transistor with a common emitter connected to an output terminal whose emitter is connected to the base and whose collector is connected to a load. In a switching circuit comprising a transistor and a third transistor whose collector is connected to the base of the first transistor and whose emitter is grounded and whose base is connected to an input terminal of a switching signal, a fourth transistor whose polarity is opposite to that of each of the transistors is provided. The emitter of the transistor is connected to the base of the first transistor via a resistive element, the collector of the fourth transistor is connected to the base of the second transistor, and the base of the fourth transistor is connected to the output terminal. A switch sog circuit characterized in that it is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12319284U JPS6137634U (en) | 1984-08-11 | 1984-08-11 | switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12319284U JPS6137634U (en) | 1984-08-11 | 1984-08-11 | switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6137634U true JPS6137634U (en) | 1986-03-08 |
Family
ID=30681942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12319284U Pending JPS6137634U (en) | 1984-08-11 | 1984-08-11 | switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6137634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01235114A (en) * | 1988-03-14 | 1989-09-20 | Ueno Seisakusho:Kk | Floating ball detection type water failure relay |
-
1984
- 1984-08-11 JP JP12319284U patent/JPS6137634U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01235114A (en) * | 1988-03-14 | 1989-09-20 | Ueno Seisakusho:Kk | Floating ball detection type water failure relay |
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