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3M1: Difference between revisions
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* [[Media:062-0806-01.pdf|Tektronix 067-0500-00 Manual (-01)]] | * [[Media:062-0806-01.pdf|Tektronix 067-0500-00 Manual (-01)]] | ||
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The '''Tektronix 3M1''' (first designated the 067- | The '''Tektronix 3M1''' (first designated the 067-500, then the 067-0500-00) is a calibration fixture for adjusting the normalizing capacitor behind the plug-in connector in [[560-series scopes | 560-Series scopes]]. | ||
It consists of a Schmitt trigger that is driven from a single-ended input coming from a BNC connector on the front panel. | It consists of a Schmitt trigger that is driven from a single-ended input coming from a BNC connector on the front panel. | ||
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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. | 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- | ==067-500== | ||
<gallery> | <gallery> | ||
067-500 1a.jpg | 067-500 Front | 067-500 1a.jpg | 067-500 Front | ||
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</gallery> | </gallery> | ||
==067- | ==067-0500-00== | ||
<gallery> | <gallery> | ||
067-0500-00_front.jpg | 067-0500-00 Front | 067-0500-00_front.jpg | 067-0500-00 Front | ||