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 MΩ 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
6
4
ESD Protection Setup
U3022AH10
Safety and Regulatory Information
U3022AH10 User's and Service Guide
87
