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3 Calibrate the oscilloscope and probe combination with the instrument
CAUTION:
calibration routines.
Some oscilloscopes allow you to calibrate the probe as part of the input signal
path. Consult the oscilloscope User Guide for further information.
• If calibrating the probe with the 54700 family oscilloscope, you must
calibrate the plug-in with the mainframe before calibrating the probe with
the system. Use the following procedure:
a. Calibrate the oscilloscope using the best accuracy procedure.
b. Calibrate the probe with the oscilloscope using the probe calibration
procedure.
When the probe has been calibrated with the 54700 system, the dc
gain, offset zero, and offset gain will be calibrated. The degree of
accuracy specified at the probe tip is dependent on the 54700 system
specifications.
• If using an 1143A power module for probe power, set the Offset controls to
Local and Zero while performing the calibration. Follow the calibration
procedures for your oscilloscope.
An effort has been made to design this probe to take more than the average
amount of physical and electrical stress. However, with an active probe, the
technologies necessary to achieve high performance do not allow the probe to
be unbreakable. Treat the probe with a moderate amount of care. It can be
damaged if it is dropped from excessive heights onto a hard surface.
Connecting the probe to the 54120 family
oscilloscopes
There are a few things to consider when connecting the 54701A Active Probe
to one of the 54120 family of high performance oscilloscopes.
• Use the special Type N(f) to APC 3.5(f) bulkhead adapter to connect the
probe output to the input of the test set. The adapter provides the full
bandwidth and pulse fidelity of the probe as well as full mechanical
support. The use of other adapters can compromise signal fidelity and
may be vulnerable to mechanical damage.
Chapter 1: Operating the Probe
Probe Operating Range
13
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