JPS6447586U - - Google Patents
Info
- Publication number
- JPS6447586U JPS6447586U JP14192987U JP14192987U JPS6447586U JP S6447586 U JPS6447586 U JP S6447586U JP 14192987 U JP14192987 U JP 14192987U JP 14192987 U JP14192987 U JP 14192987U JP S6447586 U JPS6447586 U JP S6447586U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- resistor
- primary coil
- main transformer
- 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
- 239000011324 bead Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
- Electronic Switches (AREA)
Description
第１図はこの考案及び従来例を示す回路図、第
２図はこの考案及び従来例を説明するための波形
図、第３図はフエライトビーズの外観図である。
Ｔ１……主トランス、Ｔ２……ドライブトラン
ス、Ｑ１……スイツチングトランジスタ、Ｑ２…
…ドライブトランジスタ。
FIG. 1 is a circuit diagram showing this invention and a conventional example, FIG. 2 is a waveform diagram for explaining this invention and a conventional example, and FIG. 3 is an external view of a ferrite bead. T1...Main transformer, T2...Drive transformer, Q1...Switching transistor, Q2...
...drive transistor.
Claims (1)
間に抵抗及びドライブトランスの２次コイルを接
続し、前記トランジスタのコレクタに主トランス
の１次コイルの一端を接続して、前記主トランス
の１次コイルの他端に供給される直流電源を２次
側に伝送する場合の前記スイツチングトランジス
タのベース電荷引き抜き回路において、前記抵抗
にフエライトビーズを間挿したことを特徴とする
ベース電荷引き抜き回路。 A resistor and a secondary coil of a drive transformer are connected between the base and emitter of the switching transistor, one end of the primary coil of the main transformer is connected to the collector of the transistor, and the other end of the primary coil of the main transformer is connected to the collector of the transistor. A base charge extraction circuit for the switching transistor for transmitting a supplied DC power to a secondary side, characterized in that a ferrite bead is interposed in the resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14192987U JPS6447586U (en) | 1987-09-17 | 1987-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14192987U JPS6447586U (en) | 1987-09-17 | 1987-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6447586U true JPS6447586U (en) | 1989-03-23 |
Family
ID=31407432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14192987U Pending JPS6447586U (en) | 1987-09-17 | 1987-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447586U (en) |
-
1987
- 1987-09-17 JP JP14192987U patent/JPS6447586U/ja active Pending