281: Difference between revisions
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==Pictures== | ==Pictures== | ||
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Tek 281 1968 catalog.jpg|Entry in 1968 catalog | |||
Type 281 1.JPG | |||
Type 281 2.JPG | |||
Type 281 3.JPG | |||
Type 281 4.JPG | |||
Type 281 5.JPG | |||
Type 281 6.JPG | |||
Type 281 7.JPG | |||
Type 281 8.JPG | |||
Tek 281 schem.png|schematic | Tek 281 schem.png|schematic | ||
</gallery> | </gallery> | ||
Revision as of 15:40, 20 September 2017
The Tektronix 281 TDR Pulser is an accessory that plugs into the probe power jack on 1S1, 3S1, and 4S1 plug-ins. It has two GR-874 connectors. One connector is intended to be connected to the input of a sampling oscilloscope. The other connector attaches to the cable that is being tested. The 281 periodically produces a pulse that is launched down a cable. The returning reflection is allowed to pass into the oscilloscope for measurement. The pulse is specified to be 460 mV, with a rise time of 750 ps or less, with a 5 μs pulse width.
Manuals
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Entry in 1968 catalog
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schematic
