Staggered sustain voltage generator and technique

Details Staggered sustain voltage generator and technique Staggered sustain voltage generator and technique

G - Physics

09

G

375/43

G09G 3/00 (2006.01) G09G 3/28 (2006.01)

Patent

CA 1151330

STAGGERED SUSTAIN VOLTAGE GENERATOR AND TECHNIQUE ABSTRACT OF THE DISCLOSURE Large values of avalanche current are avoided in a gas discharge display panel by "staggering" in time the applica- tion of the sustain voltage waveforms to different portions of the display panel. A plurality of individual sustain circuit modules each having two 100v FET's are connected to a common sustain circuit module having another two 100v FET's. The "staggered" sustain operation is provided by selectively controlling the individual sustain circuit modules. The individual and common sustain circuit modules combine to alternatively produce 0-200v square wave or a 0-100-200v return-to-midpoint waveform by selectively con- trolling the FET's. Ki9-78004

366020

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