HP 54753A User Manual page 150

Differential TDR Measurements
C A U T I O N The input circuits can be damaged by electrostatic discharge (ESD).
Therefore, avoid applying static discharges to the front-panel input connectors.
Before connecting any coaxial cable to the connectors, momentarily short the
center and outer conductors of the cable together. Avoid touching the front-
panel input connectors without first touching the frame of the instrument. Be
sure the instrument is properly earth-grounded to prevent buildup of static
charge.
What you'll find in this chapter
This chapter describes how to make differential TDR measurements and
describes the reason for the processes required to make these measurements.
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