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5
Performance Verification
Test 2. Bandwidth
48
39
Connect the Calibration Standard load to PV/DS test board
(non- pincher side).
40
Press [scale reference] key on the VNA.
41
Set reference value to –20 dB.
42
Hold probe in place as described previously.
43
The display on screen is V
Displaying Vout/Vin Response on the VNA
44
Press the [Display] key.
45
Then select the Data/Memory screen key. You may need to
adjust the Reference Value, located under the Scale Ref key,
slightly to position the waveform at center screen.
46
Press marker key and position the marker to the first point
that the signal is –3 dB below center screen.
47
Read the marker frequency measurement and record it in
Table 10
on page 49.
48
The bandwidth test passes if the frequency measurement is
greater than or equal to the probe's bandwidth limit, which
is 1.5 GHz.
.
out
N2797A User's Guide
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