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3M1: Difference between revisions
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Note that C131 and C136, on the printed circuit board, were set at the factory and should never be touched. | Note that C131 and C136, on the printed circuit board, were set at the factory and should never be touched. | ||
Each of these plugins requires 50 to 100 V square wave pulses to drive the Schmidt trigger, but only the earliest members of the [[560-series scopes | 560-Series scopes]] have a calibrator output that will go that high. The 3M1 pictured has been modified to work with 40 V pulses. See the Repair tab for details. | Each of these plugins requires 50 to 100 V square wave pulses to drive the Schmidt trigger, but only the earliest members of the [[560-series scopes | 560-Series scopes]] have a calibrator output that will go that high. The 3M1 pictured below has been modified to work with 40 V pulses. See the Repair tab for details. | ||
==067-050== | ==067-050== | ||