JPS59125139U - Base drive circuit - Google Patents
Base drive circuitInfo
- Publication number
- JPS59125139U JPS59125139U JP1764583U JP1764583U JPS59125139U JP S59125139 U JPS59125139 U JP S59125139U JP 1764583 U JP1764583 U JP 1764583U JP 1764583 U JP1764583 U JP 1764583U JP S59125139 U JPS59125139 U JP S59125139U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- base drive
- transistor
- turning
- base
- 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図は従来のベース駆動回路を示す回路図、第２図は
この考案の一実施例によるベース駆動回路を示す回路図
である。
図において、同一符号は同一または相当部分を示し、１
は電源、２は主回路トランジスタ、４はダイオード、５
は電源コンデンサ、６は逆バイアス’ＩＤ１Ｅ用トラン
ジスタ、７′は補助トランジスタ、８はフォトカップラ
ー、Ｉｉ、１３．１４は電流制限用の抵抗器、１６は自
己バイアス用の抵抗器である。FIG. 1 is a circuit diagram showing a conventional base drive circuit, and FIG. 2 is a circuit diagram showing a base drive circuit according to an embodiment of the invention. In the figures, the same reference numerals indicate the same or corresponding parts, 1
is the power supply, 2 is the main circuit transistor, 4 is the diode, 5
6 is a power supply capacitor, 6 is a reverse bias 'ID1E transistor, 7' is an auxiliary transistor, 8 is a photocoupler, Ii, 13.14 is a current limiting resistor, and 16 is a self-biasing resistor.
Claims (1)
スタをオンさせるためのベース電流およびオフさせるた
めの逆バイアス電流を供給する第２のトランジスタと、
この第２のトランジスタをオン・オフさせるためのフォ
トカップラーとを備えたベース駆動回路。a first transistor that constitutes a main circuit; a second transistor that supplies a base current for turning on the transistor and a reverse bias current for turning it off;
A base drive circuit including a photocoupler for turning on and off the second transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1764583U JPS59125139U (en) | 1983-02-09 | 1983-02-09 | Base drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1764583U JPS59125139U (en) | 1983-02-09 | 1983-02-09 | Base drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59125139U true JPS59125139U (en) | 1984-08-23 |
Family
ID=30148878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1764583U Pending JPS59125139U (en) | 1983-02-09 | 1983-02-09 | Base drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59125139U (en) |
-
1983
- 1983-02-09 JP JP1764583U patent/JPS59125139U/en active Pending
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