Tektronix AFG3000 Series, User Manual

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Getting started
Floating ground
Since the common (input and output channel common) of the arbitrary function
generator is electrically isolated from the chassis ground (the instrument chassis
and ground line of the AC connector), you can make a
fl oating connection
between the instrument and other equipment.
All the signal output connectors are connected to the common ground, and the
remote interface connector is connected to the chassis ground.
WARNING.
To prevent electrical shock, use this product so that the sum of the
fl oating voltage and the output voltage of the instrument does not exceed 42 Vpk.
Do not touch the center of the BNC while the equipment is in use.
CAUTION.
The maximum rated voltage between the chassis ground and common
ground is 42 Vp-p (DC + peak AC). When the potential voltage between the
chassis ground and common ground goes over 42 Vp-p, the internal protective
circuit will be activated to protect the circuits. However, higher voltage may cause
the internal circuits in the instrument to be damaged.
When a potential voltage exists between the chassis ground and common ground,
a short circuit from output to ground causes the instrument internal fuse to open
and the output is stopped. If the fuse opens, you need to contact your local
Tektronix Service Support.
When a potential voltage exists between the common ground and chassis ground,
short-circuiting between them may lead to excessive current
fl ow and the internal
or external circuits may be damaged.
14 AFG3000 and AFG3000C Series User Manual