Horizontal deflection circuit for video display monitor

Details Horizontal deflection circuit for video display monitor Horizontal deflection circuit for video display monitor

H - Electricity

03

K

355/20

H03K 4/62 (2006.01) H03K 17/10 (2006.01)

Patent

CA 1303234

ABSTRACT OF THE DISCLOSURE A horizontal deflection circuit for controlling the horizontal deflection of an electron beam in a cathode ray tube used, for example, in a video display. The circuit uses a plurality of MOSFET transistors, which are switched on and off in unison for switching between a scan mode and a retrace mode, the MOSFET transistors being cascaded to accommodate the high voltage levels which are developed during retrace. A retrace capacitor and retrace diode are connected between the source and drain terminals of each MOSFET transistor to ensure that the voltages are divided among the transistors so that the entire voltage does not appear across any single one if they do not all switch at precisely the same time.

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