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6
7
Verifying the Probe Calibration
If you have just successfully calibrated the probe, it is not necessary to perform
this verification. However, if want to verify the probe was properly calibrated, the
following procedure will help you verify the calibration.
The calibration procedure requires the following parts.
• BNC (male) to SMA (male) adapter
• SMA (male) to BNC (female) adapter
• BNC (male) to BNC (male) 12 inch cable such as the Keysight 8120-1838 (not
• Keysight 54855-61620 calibration cable (Infiniium oscilloscopes with
• Keysight 54855-67604 precision 3.5 mm adapters (Infiniium oscilloscopes with
• Deskew fixture
For the following procedure, refer to
1
2
3
4
5
6
7
1130B-Series Probes User's Guide
Once the vertical calibration has successfully completed, select the Calibrated
Skew... button.
Select the Start Skew Calibration... button and follow the on-screen
instructions for the skew calibration. At the end of each calibration the
oscilloscope will inform you if the calibration was or was not successful.
included in this kit)
bandwidths of 6 GHz and greater only)
bandwidths of 6 GHz and greater only)
As shown in
Figure 52
to the deskew fixture on the connector closest to the yellow pincher.
Connect the SMA (male) to BNC (female) to the connector farthest from the
yellow pincher.
Connect the BNC (male) to BNC (male) cable to the BNC connector on the
deskew fixture to one of the unused oscilloscope channels. For Infiniium
oscilloscopes with bandwidths of 6 GHz and greater, use the 54855-61620
calibration cable and the two 54855-67604 precision 3.5 mm adapters.
Connect the BNC side of the deskew fixture to the Aux Out BNC of the Infiniium
oscilloscope.
Connect the probe to an oscilloscope channel.
To minimize the wear and tear on the probe head, the probe head should be
placed on a support to relieve the strain on the probe head cables.
Push down on the back side of the yellow pincher. Insert the probe head
resistor lead underneath the center of the yellow pincher and over the center
conductor of the deskew fixture. The negative probe head resistor lead or
ground lead must be underneath the yellow pincher and over one of the outside
copper conductors (ground) of the deskew fixture. Make sure that the probe
head is approximately perpendicular to the deskew fixture.
Figure 49
on page 81.
on page 85, connect BNC (male) to SMA (male) adapter
3
Calibrating Probes
83
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