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Tektronix 281 TDR Pulser.
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 [[Connectors#GR-874|GR-874 connectors]].  One connector is intended to be connected to the input of a [[sampling oscilloscope]].
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 460mV, with a rise time of 750 ps or less, with a 5 microsecond pulse width.


Manual Needed.
[[List of manuals that are needed|Manual Needed]].


<gallery>
<gallery>
File:Tek 281 1968 catalog.jpg|Entry in 1968 catalog
File:Tek 281 1968 catalog.jpg|Entry in 1968 catalog
</gallery>
</gallery>

Revision as of 18:27, 10 September 2012

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 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 460mV, with a rise time of 750 ps or less, with a 5 microsecond pulse width.

Manual Needed.