Performance Verification
5
N2797A User’s Guide
45
Measuring Vin Response
32
Position the probe conveniently to allow the probe tip to be normal to the PV/DS board.
33
Hold the probe in position, or use a positioner, so that the signal and ground are making
contact and are perpendicular to the fixture.
34
Press the
[Sweep Setup]
key on the VNA. Then press the
trigger menu
screen key. Select the
continuous
screen key.
35
You should now have the V
in
waveform on screen.
36
Select
[display]
key then
data->memory
screen key.
37
You have now saved Vin waveform into the VNA's memory for future use.
Measuring Vout Response
38
Disconnect the
PORT 2
cable from PV/DS test board and attach to probe output on the
AutoProbe Adapter.
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
out
.
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
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.
Summary of Contents for N2797A
Page 1: ...Keysight N2797A Extreme Temperature Single Ended Active Probe User s Guide ...
Page 4: ...4 N2797A User s Guide Contents ...
Page 26: ...26 N2797A User s Guide 1 Using the Probe ...
Page 34: ...34 N2797A User s Guide 3 Characteristics and Specifications ...
Page 48: ...48 N2797A User s Guide Index ...
