Setting up and Using DP0010A/12A/13A Probes
3
DP0010A/11A/12A/13A Differential Active Probes User’s Guide
27
The
DC Offset/Gain Cal
dialog box is displayed with the calibration setup
instructions. Verify that your probing setup is as per these instructions. These
instructions require the usage of the DP0020A deskew fixture which is
described in the next step.
4
To use the DP0020A deskew fixture:
a
Connect the 50
Ω
terminator to the DP0020A fixture’s output. This
terminator is provided with the fixture.
b
Connect the DP0020A fixture’s input to the
Aux Out
connector on the
oscilloscope. Use the BNC adapter provided with the fixture.
c
Turn the nut on the Aux Out connector counter-clockwise to tighten. While
holding the fixture upright with one hand, use an 8 in. lbs. torque wrench to
fully tighten the connector.
d
Connect the probe to the header pins preinstalled on the deskew fixture.
•
Either connect the probe tip directly to the header pins on the fixture.
•
Or make this connection using the probe accessory that you intend to use
in your probing setup.
Connect the positive lead of the probe tip to the header pin located on the
center conductor of the deskew fixture.
Connect the negative lead of the probe tip to the header pin located on the
ground plane of the deskew fixture.
These are shown in the figure below.
