ADP30X Operator’s Manual
ADP30X-OM-E Rev B
23
FUNCTIONAL TEST
This procedure should be performed to confirm the basic operation of the probe, or to aid in
determining the source of a problem, rather than to verify the accuracy of the probe. You can
perform the Functional Test without removing the probe covers.
Test Equipment Required
Other than a LeCroy oscilloscope, no special test equipment is required for the functional test.
Test procedure
1. Connect the ADP300 or ADP305 to any vertical channel on the oscilloscope.
2. Select the channel to which the probe is connected.
3. Press
the
A
UTO
Z
ERO
button in the user interface menu.
4. If necessary, adjust the
O
FFSET
to 0.000 V.
5. Using accessory clips, attach the
Red
clip to the + CAL out and the
Blue
clip to the
ground post of the CAL out signal. For oscilloscopes with the CAL signal on a BNC
connector, a BNC-to-Banana adapter (e.g., Pomona model 1296) may be used.
6. Press
A
UTOSETUP
.
7. Set the sensitivity of the probe to 1 V/div.
8. Set the CAL output to 1 V
p-p
square wave.
9. Verify that the displayed square wave is 1 V
p-p
centered at +0.5 V.
10. Reverse the accessory leads on CAL out and verify that the displayed square wave is still
1 V, but is now centered at
–0.5 V.
11. Change the
COUPLING
on the user interface menu to
Grounded
to verify that the signal
disappears and that the trace is still centered on the screen.
12. Verify that the probe attenuation shows X100.
13. Set the
V
OLTS
/D
IV
to 100 V.
14. Verify that the probe attenuation now shows X1K.
Содержание ADP300
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Страница 36: ...ADP300 305 Probe 30 ADP30X OM E Rev B Typical CMRR vs Frequency ...