
Performance Verification 5
Average Gain of Zoomed-In Channel
N2820/1A User’s Guide 73
Average Gain of Zoomed-In Channel
This procedure applies to both N2820A and N2821A probes.
NOTE Allow the probe to warm up for at least 20 minutes.
1 Snap an N2825A head onto the N2820/1A probe and connect
the test equipment as shown in Figure 43. Be sure to
connect the positive side of the DC supply to the red lead
on the N2825A head.
Figure 43 Test Setup for Measuring V
in
2 Set the DC power supply to +20 mV.
NOTE Although this is the recommended setting, you can use any voltages up to
+35 mV.
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