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80E00 Electrical Sampling Modules User Manual
17
Reference
This chapter contains the following sections:
H Taking T DR Measurements describes how to use the 80E04 sampling module
to perform time-domain-reflectometry (TDR) measurements.
H TDR Measurements Background contains information that describes the
cause of reflections, measurement range, the velocity of propagation and
measuring mismatches, measurement units, and considerations for making
accurate measurements.
H Taking Differential and Common-Mode TDR Measurements describes how to
use the 80E04 sampling module to perform differential and common-mode
TDR measurements.
H Connector and Adapter Care Requirements describes proper care and use of
the 80E06 connector and adapter, including protection against electrostatic
discharge (ESD), cleaning connectors, and the assembly and torquing of
connectors.
H TDR Impedance Measuring describes the stand-alone application that
implements the TDR calibration procedure(s) specified by the IPC-TM-650
test methodology.
H Detecting Blown Inputs describes how to check for damage on an 80E04
sampling module or a non-TDR sampling module.
H EOS (Electrical Overstr ess) Prevention describes the causes, how to prevent
EOS, and how to check for damage.
Taking TDR Measurements
This section describes how to use the 80E04 to perform TDR measurements.
To take TDR measurements on transmission lines. Using TDR, you can measure
the impedance along a transmission line and determine the distance to an
impedance change.
Vertical can be scaled in volts, rho, or ohms units.
This feature only works with a 80E04 sampling module.
Why Use?
What’s Special?
What’s Excluded?