067-0500-00: 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.
-The two early versions of this plugin require 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 Repairs tab for details.
+The two early versions of this plugin require 50 to 100 V square wave pulses to drive the Schmitt 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 Repairs tab for details.
 ==3M1==