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of isolated pads behind the [[phosphor]] where the electron beam is then blocked or released. | of isolated pads behind the [[phosphor]] where the electron beam is then blocked or released. | ||
There is a chopped two channel system and the fastest sweep time is | There is a chopped two channel system and the fastest sweep time is 20ns/div. | ||
An option for a tube with higher sensitivity at high writing speeds was available too. | An option for a tube with higher sensitivity at high writing speeds was available too. | ||