JPH0394088U - - Google Patents
Info
- Publication number
- JPH0394088U JPH0394088U JP253690U JP253690U JPH0394088U JP H0394088 U JPH0394088 U JP H0394088U JP 253690 U JP253690 U JP 253690U JP 253690 U JP253690 U JP 253690U JP H0394088 U JPH0394088 U JP H0394088U
- Authority
- JP
- Japan
- Prior art keywords
- base
- pair
- base winding
- winding
- capacitor
- 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
- 238000004804 winding Methods 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 2
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図はこの考案に係る非飽和型電圧変換回路
の一例を示す接続図、第２図はその動作説明図、
第３図は従来の飽和型電圧変換回路の接続図、第
４図はその動作説明図である。
１０……非飽和型電圧変換回路、１２……電源
トランス、１４ａ，１４ｂ……コレクタ巻線、１
８，２０……ベース巻線、２２……電源電圧、３
２……コンデンサ、３４……電流方向制限用ダイ
オード、Ｑａ，Ｑｂ……スイツチングトランジス
タ。
Fig. 1 is a connection diagram showing an example of a non-saturated voltage conversion circuit according to this invention, Fig. 2 is an explanatory diagram of its operation,
FIG. 3 is a connection diagram of a conventional saturation type voltage conversion circuit, and FIG. 4 is an explanatory diagram of its operation. 10...Non-saturated voltage conversion circuit, 12...Power transformer, 14a, 14b...Collector winding, 1
8, 20...Base winding, 22...Power supply voltage, 3
2... Capacitor, 34... Current direction limiting diode, Qa, Qb... Switching transistor.
Claims (1)
レクタ巻線及びベース巻線を有する電源トランス
とを備え、 電源電圧が一対の抵抗器によつて分圧され、そ
の分圧電圧が上記ベース巻線を介して上記スイツ
チングトランジスタのベースに加えられると共に
、 このベース巻線を通る電流通路上にコンデンサ
が接続され、 このコンデンサと上記ベース巻線のインダクタ
ンスとによつてベース電流波形が微分され、その
微分出力で上記スイツチングトランジスタがオフ
されるようにしたことを特徴とする非飽和型電圧
変換回路。[Claims for Utility Model Registration] A power transformer comprising a pair of switching transistors and a pair of collector windings and a base winding, the power supply voltage is divided by a pair of resistors, and the divided voltage is is applied to the base of the switching transistor via the base winding, a capacitor is connected on the current path passing through the base winding, and the base current waveform is formed by this capacitor and the inductance of the base winding. is differentiated, and the switching transistor is turned off by the differentiated output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP253690U JPH0394088U (en) | 1990-01-16 | 1990-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP253690U JPH0394088U (en) | 1990-01-16 | 1990-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0394088U true JPH0394088U (en) | 1991-09-25 |
Family
ID=31506407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP253690U Pending JPH0394088U (en) | 1990-01-16 | 1990-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0394088U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5914983A (en) * | 1982-07-15 | 1984-01-25 | Nippon Typewriter Kk | Vertical feed apparatus in typewriter |
| JPS6151514A (en) * | 1984-08-21 | 1986-03-14 | Mitsubishi Electric Corp | Position setting method for rotational position detector |
-
1990
- 1990-01-16 JP JP253690U patent/JPH0394088U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5914983A (en) * | 1982-07-15 | 1984-01-25 | Nippon Typewriter Kk | Vertical feed apparatus in typewriter |
| JPS6151514A (en) * | 1984-08-21 | 1986-03-14 | Mitsubishi Electric Corp | Position setting method for rotational position detector |