JPS62117618U - - Google Patents
Info
- Publication number
- JPS62117618U JPS62117618U JP285886U JP285886U JPS62117618U JP S62117618 U JPS62117618 U JP S62117618U JP 285886 U JP285886 U JP 285886U JP 285886 U JP285886 U JP 285886U JP S62117618 U JPS62117618 U JP S62117618U
- Authority
- JP
- Japan
- Prior art keywords
- base current
- transistor
- supplying
- supply means
- limiting
- 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
- Control Of Voltage And Current In General (AREA)
Description
第１図はこの考案のトランジスタ駆動回路の実
施例を示す回路図、第２図はトランジスタのコレ
クタ電流―ベース電流特性を示す図、第３図はト
ランジスタのコレクタ電流―コレクタ・エミツタ
間電圧特性を示す図、第４図は第１図のトランジ
スタ駆動回路におけるベース電流制限回路の動作
を示す図である。
４……トランジスタ、８……ベース電流供給手
段としての増幅器、１２……ベース電流制限回路
。
Figure 1 is a circuit diagram showing an embodiment of the transistor drive circuit of this invention, Figure 2 is a diagram showing the collector current-base current characteristics of the transistor, and Figure 3 is the diagram showing the collector current-collector-emitter voltage characteristics of the transistor. FIG. 4 is a diagram showing the operation of the base current limiting circuit in the transistor drive circuit of FIG. 1. 4...Transistor, 8...Amplifier as base current supply means, 12...Base current limiting circuit.
Claims (1)
準電圧とを比較し、両者の比較結果に基づいて前
記トランジスタのベース電流を流すベース電流供
給手段と、 このベース電流供給手段から供給されるベース
電流が所定値を越えたとき、そのベース電流を制
限するベース電流制限手段とを設置したことを特
徴とするトランジスタ駆動回路。[Claims for Utility Model Registration] Base current supply means for comparing the collector-emitter voltage of a transistor with a reference voltage and supplying the base current of the transistor based on the comparison result between the two; and supplying from the base current supply means. 1. A transistor drive circuit comprising a base current limiting means for limiting a base current when the base current exceeds a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP285886U JPS62117618U (en) | 1986-01-13 | 1986-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP285886U JPS62117618U (en) | 1986-01-13 | 1986-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62117618U true JPS62117618U (en) | 1987-07-25 |
Family
ID=30782087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP285886U Pending JPS62117618U (en) | 1986-01-13 | 1986-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62117618U (en) |
-
1986
- 1986-01-13 JP JP285886U patent/JPS62117618U/ja active Pending
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