JPH02150836U - - Google Patents
Info
- Publication number
- JPH02150836U JPH02150836U JP5885289U JP5885289U JPH02150836U JP H02150836 U JPH02150836 U JP H02150836U JP 5885289 U JP5885289 U JP 5885289U JP 5885289 U JP5885289 U JP 5885289U JP H02150836 U JPH02150836 U JP H02150836U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- protection circuit
- collector
- protects
- output
- 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 2
Landscapes
- Amplifiers (AREA)
- Logic Circuits (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来の一例の回路図である。
１……ダイオード、２……ｐｎｐトランジスタ
、３，４……抵抗、５……入力端子、６……電源
端子、７……出力端子。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. 1... Diode, 2... PNP transistor, 3, 4... Resistor, 5... Input terminal, 6... Power supply terminal, 7... Output terminal.
Claims (1)
るトランジスタ保護回路において、 出力信号と極性の異なるノイズをバイパスする
整流素子を前記トランジスタのコレクタに接続し
てなるトランジスタ保護回路。[Claims for Utility Model Registration] A transistor protection circuit that protects a transistor with an open collector output, the transistor protection circuit comprising: a rectifying element that bypasses noise having a polarity different from that of the output signal; connected to the collector of the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5885289U JPH02150836U (en) | 1989-05-22 | 1989-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5885289U JPH02150836U (en) | 1989-05-22 | 1989-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150836U true JPH02150836U (en) | 1990-12-27 |
Family
ID=31584837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5885289U Pending JPH02150836U (en) | 1989-05-22 | 1989-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150836U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61263103A (en) * | 1985-05-15 | 1986-11-21 | Mitsubishi Electric Corp | Control equipment of electromagnetic solenoid |
| JPS6269605A (en) * | 1985-09-24 | 1987-03-30 | Mitsubishi Electric Corp | Solenoid driving circuit |
-
1989
- 1989-05-22 JP JP5885289U patent/JPH02150836U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61263103A (en) * | 1985-05-15 | 1986-11-21 | Mitsubishi Electric Corp | Control equipment of electromagnetic solenoid |
| JPS6269605A (en) * | 1985-09-24 | 1987-03-30 | Mitsubishi Electric Corp | Solenoid driving circuit |
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