54
DP0010A/11A/12A/13A Differential Active Probes User’s Guide
6
Performance Verification
8
Click
Setup
>
<probe channel>
and set the scale for the probe channel to
2.5
V/Div
. In this example, probe channel is
Channel 2
. Then close the dialog box.
9
Click
Control
>
Clear Display
to clear the oscilloscope display.
10
Use Marker to evaluate the results.
a
The marker (M1 in this case) should still be on screen. Slide it to the new
crossing point of f4 and f2.
b
Record the Horizontal Marker value. This represents the -3 dB BW of the
probe in the low attenuation state. In the example below, it is 1.78 GHz.
11
Confirm that the measured bandwidth is above the rated bandwidth for your
probe model.