User Manual

Performance Ver
ification
Verification
4.25 V Range (÷ 5).
NOTE. Do not remove the cable end that is connected to the network analyzer. Connect the cable to the BNC-to-probe tip
adapter.
1. Disconnect t
he port 1 cable from the 1103 channel 1 input connector and connect to the BNC-to-probe tip adapter.
2. Move the prob
e from the 1103 channel 2 to channel 1 input connector.
3. Se t the probe f
or ÷ 5 attenuation, full bandwidth, DC reject off.
4. Connect the p
robe input to the D M pins on the BNC-to-probe-tip adapter. Polarity is unimportant.
5. The setup sho
uld now appear as shown below.
6. Read the amplitude at 500 MHz for the P6250 or 1 GHz for the P6251. The use of the marker function, (if equipped), will
simplify resolving the bandwidth.
7. Verify that the amplitude is greater than –17 dB. (Subtracting the –14 dB of probe attenuation in the 4.25 V range (÷ 5)
from the –17 dB target value yields the 3 dB limit.) Record the results in the test record.
P6250 & P6251 Technical Reference 25