JPS61149429U - - Google Patents
Info
- Publication number
- JPS61149429U JPS61149429U JP3215385U JP3215385U JPS61149429U JP S61149429 U JPS61149429 U JP S61149429U JP 3215385 U JP3215385 U JP 3215385U JP 3215385 U JP3215385 U JP 3215385U JP S61149429 U JPS61149429 U JP S61149429U
- Authority
- JP
- Japan
- Prior art keywords
- base
- collector
- pnp transistor
- power supply
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electronic Switches (AREA)
- Logic Circuits (AREA)
Description
第1図は本考案の実施例を示す出力回路の回路
図、第2図は従来の出力回路の回路図、第3図は
第2図の動作説明図、第4図は従来の他の出力回
路の回路図である。
101……入力端子、102……電源端子、1
03……出力端子、104,106……第1と第
2のPNPトランジスタ、105……フイールド
バツク回路、107,108……電流増幅器。
Fig. 1 is a circuit diagram of an output circuit showing an embodiment of the present invention, Fig. 2 is a circuit diagram of a conventional output circuit, Fig. 3 is an explanatory diagram of the operation of Fig. 2, and Fig. 4 is another conventional output circuit. It is a circuit diagram of a circuit. 101...Input terminal, 102...Power terminal, 1
03... Output terminal, 104, 106... First and second PNP transistors, 105... Field back circuit, 107, 108... Current amplifier.
Claims (1)
、ベースが該コレクタにそれぞれ接続された第1
のPNPトランジスタと、前記ベースに流れる電
流を前記コレクタ側へ帰還するフイードバツク回
路と、前記第1のトランジスタとほぼ同一特性を
有し、エミツタが前記電源端子に、ベースが前記
第1のPNPトランジスタのベースにそれぞれ接
続された第2のPNPトランジスタと、この第2
のPNPトランジスタのコレクタに流れる電流を
増幅して出力端子から送出する電流増幅器とを備
えた出力回路。 The emitter is connected to the power supply terminal, the collector is connected to the input terminal, and the base is connected to the collector.
a PNP transistor, a feedback circuit that returns the current flowing through the base to the collector side, and has almost the same characteristics as the first transistor, with the emitter connected to the power supply terminal and the base connected to the first PNP transistor. a second PNP transistor each connected to the base;
and a current amplifier that amplifies the current flowing through the collector of the PNP transistor and sends it from the output terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3215385U JPS61149429U (en) | 1985-03-06 | 1985-03-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3215385U JPS61149429U (en) | 1985-03-06 | 1985-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61149429U true JPS61149429U (en) | 1986-09-16 |
Family
ID=30533403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3215385U Pending JPS61149429U (en) | 1985-03-06 | 1985-03-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61149429U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63175518A (en) * | 1987-01-14 | 1988-07-19 | Nec Ic Microcomput Syst Ltd | Switch circuit |
JPS63227215A (en) * | 1987-03-17 | 1988-09-21 | Toshiba Corp | Semiconductor switch circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56120206A (en) * | 1980-02-27 | 1981-09-21 | Nec Corp | Transistor circuit |
-
1985
- 1985-03-06 JP JP3215385U patent/JPS61149429U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56120206A (en) * | 1980-02-27 | 1981-09-21 | Nec Corp | Transistor circuit |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63175518A (en) * | 1987-01-14 | 1988-07-19 | Nec Ic Microcomput Syst Ltd | Switch circuit |
JPS63227215A (en) * | 1987-03-17 | 1988-09-21 | Toshiba Corp | Semiconductor switch circuit |