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The Instrument at a Glance
The HP 54753A, 54754A TDR Plug-In Modules
The HP 54753A, 54754A TDR Plug-In Modules
The TDR plug-in modules are two of several plug-in modules available for the
HP 83480A and HP 54750A mainframes.
Plug-in Module Purpose
The purpose of the plug-in module is to provide measurement channels,
including sampling, for the mainframe. The plug-in module scales the input
signal, sets the bandwidth of the system, and allows the offset to be adjusted so
the signal can be viewed. The output of the plug-in module is an analog signal
that is applied to the ADCs on the acquisition boards inside the mainframe. The
plug-in module also provides a trigger signal input to the time base/trigger board
inside the mainframe.
Front Panel of the Plug-in Module
The plug-in module takes up two, of the four, mainframe slots. The front panel
of the plug-in module has two channel inputs and an external trigger input. The
front panel also has two probe power connectors for HP 54700-series probes,
an auxiliary power connector for general purpose use, and a key for each
channel that displays the softkey menu. The softkey menu allows you to access
the channel setup features of the plug-in module for the selected input.
The front-power Probe Power connector allows automatic channel scaling and
probe calibration with HP 54700 series probes. The front-panel Aux Power
connector provides only power to HP 54700 series probes for use as a trigger
input. Probe calibration and scaling are not required for a trigger input.
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