User’s Guide E8251-90283
9
E8257DS02-S15
Electrostatic Discharge Protection
Electrostatic Discharge Protection
Protection against electrostatic discharge (ESD) is essential while removing assemblies from or connecting
cables to the instrument. Static electricity can build up on your body and can easily damage sensitive
internal circuit elements when discharged. Static discharges too small to be felt can cause permanent
damage. To prevent damage to the instrument:
•
always
have a grounded, conductive table mat in front of your test equipment.
•
always
wear a grounded wrist strap with grounding cord, connected to a grounded conductive table
mat, having a 1 MW resistor in series with it, when handling components and assemblies or when
making connections.
•
always
wear a heel strap (9300-1126) when working in an area with a conductive floor. If you are
uncertain about the conductivity of your floor, wear a heel strap.
•
always
ground yourself before you clean, inspect, or make a connection to a static-sensitive device or
test port. You can, for example, grasp the grounded outer shell of the test port or cable connector briefly.
•
always
ground the center conductor of a test cable before making a connection to the analyzer test port
or other static-sensitive device. This can be done as follows:
1. Connect a short to one end of the cable to short the center conductor to the outer conductor.
2. While wearing a grounded wrist strap, grasp the outer shell of the cable connector.
3. Connect the other end of the cable to the test port and remove the short from the cable.
Figure 3
ESD Protection Setup
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