JPS62109525U - - Google Patents
Info
- Publication number
- JPS62109525U JPS62109525U JP19956685U JP19956685U JPS62109525U JP S62109525 U JPS62109525 U JP S62109525U JP 19956685 U JP19956685 U JP 19956685U JP 19956685 U JP19956685 U JP 19956685U JP S62109525 U JPS62109525 U JP S62109525U
- Authority
- JP
- Japan
- Prior art keywords
- power transistor
- base drive
- base
- drive circuit
- transistor
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案のパワートランジスタのベース
ドライブ回路の一実施例の回路図、第２図、第３
図は従来例の回路図である。
Ｔｒ１，Ｔｒ２，Ｔｒ３，Ｔｒ４，Ｔｒ５…ト
ランジスタ、ＰＴｒ…パワートランジスタ、ＰＨ
Ｃ…フオトカプラ、ＶＢ１，ＶＢ２，ＶＢ３，Ｖ
Ｂ４…電源。
Figure 1 is a circuit diagram of an embodiment of the base drive circuit of the power transistor of the present invention, Figures 2 and 3.
The figure is a circuit diagram of a conventional example. Tr 1 , Tr 2 , Tr 3 , Tr 4 , Tr 5 ...transistor, PTr...power transistor, PH
C...Photocoupler, VB 1 , VB 2 , VB 3 , V
B 4 ...Power supply.
Claims (1)
いて、ベースドライブ用トランジスタがフル・ブ
リツジに接続されて直流―交流変換回路を形成し
、その出力にパワートランジスタのベースとエミ
ツタが接続されていることを特徴とするパワート
ランジスタのベースドライブ回路。 A power transistor characterized in that, in the base drive circuit of the power transistor, the base drive transistor is connected in a full bridge to form a DC-AC conversion circuit, and the base and emitter of the power transistor are connected to the output thereof. base drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19956685U JPS62109525U (en) | 1985-12-27 | 1985-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19956685U JPS62109525U (en) | 1985-12-27 | 1985-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62109525U true JPS62109525U (en) | 1987-07-13 |
Family
ID=31161310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19956685U Pending JPS62109525U (en) | 1985-12-27 | 1985-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109525U (en) |
-
1985
- 1985-12-27 JP JP19956685U patent/JPS62109525U/ja active Pending