JPH0351555U - - Google Patents
Info
- Publication number
- JPH0351555U JPH0351555U JP11210689U JP11210689U JPH0351555U JP H0351555 U JPH0351555 U JP H0351555U JP 11210689 U JP11210689 U JP 11210689U JP 11210689 U JP11210689 U JP 11210689U JP H0351555 U JPH0351555 U JP H0351555U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- capacitor
- pump
- during
- 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
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Details Of Television Scanning (AREA)
Description
第１図は本考案に係る垂直偏向出力回路の一実
施例を示す回路図、第２図は実施例の動作を説明
するためのグラフ、第３図は従来の垂直偏向出力
回路を示す回路図、第４図は従来例の問題点を説
明するためのグラフである。
１……垂直偏向出力ＩＣ、２……電源端子、３
……垂直出力端子、４，５……端子、６……スイ
ツチ、７……垂直偏向ヨーク、１０，１３，１４
……ダイオード、１１……直流電源、１２……ポ
ンプアツプコンデンサ、１５……可変直流電源。
Fig. 1 is a circuit diagram showing an embodiment of the vertical deflection output circuit according to the present invention, Fig. 2 is a graph for explaining the operation of the embodiment, and Fig. 3 is a circuit diagram showing a conventional vertical deflection output circuit. , FIG. 4 is a graph for explaining the problems of the conventional example. 1...Vertical deflection output IC, 2...Power terminal, 3
... Vertical output terminal, 4, 5 ... Terminal, 6 ... Switch, 7 ... Vertical deflection yoke, 10, 13, 14
... Diode, 11 ... DC power supply, 12 ... Pump-up capacitor, 15 ... Variable DC power supply.
Claims (1)
ークに与える垂直周期の鋸波電流を発生する垂直
偏向出力回路において、 第１の電圧を発生する第１の直流電源と、 前記第１の電圧よりも低い第２の電圧を発生す
る第２の直流電源と、 走査期間には一端が基準電位点に接続され帰線
期間には一端に前記第１の電圧が印加されるポン
プアツプコンデンサと、 前記第１の直流電源との前記電源端子との間に
接続されて走査期間に第１の電圧を電源端子に供
給する第１のダイオードと、 前記第２の直流電源と前記ポンプアツプコンデ
ンサの他端との間に接続されて走査期間にポンプ
アツプコンデンサを第２の電圧まで充電させる第
２のダイオードと、 前記ポンプアツプコンデンサの他端と前記電源
端子との間に接続されて帰線期間に電源端子に電
源電圧を供給する第３のダイオードとを具備した
ことを特徴とする垂直偏向出力回路。[Claims for Utility Model Registration] In a vertical deflection output circuit that receives a power supply voltage from a power supply terminal and generates a sawtooth wave current with a vertical period applied to a vertical deflection yoke, a first DC power supply that generates a first voltage; , a second DC power supply that generates a second voltage lower than the first voltage; one end is connected to the reference potential point during the scanning period, and the first voltage is applied to the other end during the retrace period. a pump-up capacitor, a first diode connected between the power supply terminal of the first DC power supply and supplying a first voltage to the power supply terminal during a scanning period, and the second DC power supply; a second diode connected between the other end of the pump-up capacitor and charging the pump-up capacitor to a second voltage during a scanning period; and a second diode connected between the other end of the pump-up capacitor and the power supply terminal. and a third diode for supplying a power supply voltage to a power supply terminal during a retrace period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11210689U JPH0351555U (en) | 1989-09-27 | 1989-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11210689U JPH0351555U (en) | 1989-09-27 | 1989-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351555U true JPH0351555U (en) | 1991-05-20 |
Family
ID=14578299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11210689U Pending JPH0351555U (en) | 1989-09-27 | 1989-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0789485B1 (en) * | 1996-02-09 | 2003-05-21 | Sanyo Electric Co. Ltd | Vertical deflecting circuit with charge pumps |
-
1989
- 1989-09-27 JP JP11210689U patent/JPH0351555U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0789485B1 (en) * | 1996-02-09 | 2003-05-21 | Sanyo Electric Co. Ltd | Vertical deflecting circuit with charge pumps |
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