JPH0290572U - - Google Patents
Info
- Publication number
- JPH0290572U JPH0290572U JP17090988U JP17090988U JPH0290572U JP H0290572 U JPH0290572 U JP H0290572U JP 17090988 U JP17090988 U JP 17090988U JP 17090988 U JP17090988 U JP 17090988U JP H0290572 U JPH0290572 U JP H0290572U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- primary current
- winding
- low
- side winding
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 5
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Description
第１図は、本考案の実施例を示す回路図、第２
図〜第４図は、実施例の動作を説明するためのグ
ラフ、第５図は、従来例を示す回路図である。
主要部分の符号の説明、１……スイツチングト
ランジスタ、４……平滑コンデンサ、２０……フ
ライバツクトランス、Ｑ１……電流値検出用トラ
ンジスタ、Ｑ２……電圧調整用トランジスタ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG.
4 to 4 are graphs for explaining the operation of the embodiment, and FIG. 5 is a circuit diagram showing a conventional example. Explanation of symbols of main parts: 1...Switching transistor, 4...Smoothing capacitor, 20...Flyback transformer, Q1...Transistor for current value detection, Q2 ...Transistor for voltage adjustment.
Claims (1)
クトランスと、前記高圧側巻線の出力を整流して
画面表示用陰極線管のアノードに供給する整流回
路と、前記低圧側巻線に直流電圧を印加する電圧
源と、前記低圧側巻線を流れる１次電流をスイツ
チング信号に応じて断続するスイツチング手段と
を含む高圧安定化回路であつて、 前記１次電流の大きさが所定レベルを越えると
前記１次電流の大きさを示す検出信号を発生する
１次電流値検出手段と、前記検出信号に応じて前
記直流電圧の電圧調整をなす電圧調整手段とを備
えたことを特徴とする陰極線管アノード電圧安定
化回路。[Claims for Utility Model Registration] A flyback transformer comprising a low-voltage side winding and a high-voltage side winding, a rectifier circuit that rectifies the output of the high-voltage side winding and supplies it to the anode of a cathode ray tube for screen display; A high-voltage stabilizing circuit comprising: a voltage source that applies a DC voltage to the low-voltage winding; and switching means that switches on and off the primary current flowing through the low-voltage winding in accordance with a switching signal, the primary current primary current value detection means that generates a detection signal indicating the magnitude of the primary current when the magnitude of the primary current exceeds a predetermined level; and voltage adjustment means that adjusts the voltage of the DC voltage in accordance with the detection signal. A cathode ray tube anode voltage stabilizing circuit characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17090988U JPH0290572U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17090988U JPH0290572U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0290572U true JPH0290572U (en) | 1990-07-18 |
Family
ID=31462265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17090988U Pending JPH0290572U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0290572U (en) |
-
1988
- 1988-12-28 JP JP17090988U patent/JPH0290572U/ja active Pending
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