JPS5834462U

JPS5834462U - Deflection circuit using isolated power supply

Info

Publication number: JPS5834462U
Application number: JP1981125275U
Authority: JP
Inventors: 久保田　隆治
Original assignee: 株式会社日立製作所
Priority date: 1981-08-26
Filing date: 1981-08-26
Publication date: 1983-03-05

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図、第２図はそれぞれ従来の回路例を示す回路図、
第３図は本考案の一実施例を示す回路図、第４図は第３
図の主要部の信号の波形図を示す。３・・・整流回路、６・・・水平出力トランジスタ、７
゜８・−・共振コンデンサ、９・・・８字補正コンデン
サ、１０・・・偏向コイル、１２・・・水平発振回路、
１３・・・同期信号発生回路、２８・・・誤差増幅器、
３０・・・フライバックトランス、３０ａ・・・１次巻
Ｌ３０ｂ・・・２次巻線、３０Ｃ・・・３次巻線。Figures 1 and 2 are circuit diagrams showing examples of conventional circuits, respectively;
Fig. 3 is a circuit diagram showing one embodiment of the present invention, and Fig. 4 is a circuit diagram showing an embodiment of the present invention.
The waveform diagram of the main part of the signal in the figure is shown. 3... Rectifier circuit, 6... Horizontal output transistor, 7
゜8 - Resonance capacitor, 9... Figure 8 correction capacitor, 10... Deflection coil, 12... Horizontal oscillation circuit,
13... Synchronization signal generation circuit, 28... Error amplifier,
30...Flyback transformer, 30a...Primary winding L30b...Secondary winding, 30C...Third winding.

Claims

[Scope of utility model registration request]

(1) A transformer, a blocking oscillation circuit that changes the pulse width in response to the input voltage provided on the primary side of the transformer, and a secondary winding that is insulated from the primary winding of the transformer and wound in opposite phase. A winding, a horizontal output circuit connected to the secondary winding via a unidirectional element, a tertiary winding that is insulated from and wound in the same phase as the primary winding of the transformer, and the tertiary winding. A horizontal output transistor in the horizontal output circuit whose base is connected to the line, and a horizontal oscillation circuit connected to the blocking oscillation circuit for synchronizing the blocking oscillation circuit with a horizontal scanning period. Deflection circuit using isolated power supply.

(2) A deflection circuit using an insulated power supply according to claim 1, which is a registered utility model, characterized in that a high-voltage winding is wound around the transformer.

(3) Claim 1 or 2 of the above utility model registration claim, wherein the horizontal output circuit is composed of a deflection coil, a figure-8 correction capacitor, a horizontal output transistor, a damper diode, and a resonant capacitor. Deflection circuit using the isolated power supply described in section.