The TDA4863J and TDA4863AJ are deflection boostersfor use in vertical deflection systems for frame frequenciesup to 200 Hz.The TDA4863J needs a separate flyback supply voltage,so the supply voltages are independently adjustable tooptimize power consumption and flyback time.For the TDA4863AJ the flyback supply voltage will begenerated internally by doubling the supply voltage andtherefore a separate flyback supply voltage is not needed.Both circuits provide differential input stages and fit wellwith the TDA485X monitor deflection controller family.
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