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Performance Tests
13. Test Port Receiver Magnitude Dynamic Accuracy
5
On the Agilent 8702D:
a
Press
MEAS
,
INPUT PORTS
,
B
,
MENU
,
POWER
,
–4
,
x1
.
b
Using the analyzer front panel knob, adjust the test port power for a reading
of –20.000 dBm on the Agilent 8902A.
c
Wait for the reading to stabilize.
6
On the Agilent 8902A, press the blue shift key and
SET REF
.
• If the Agilent 8902A has drifted, adjust the analyzer front panel knob for a
power reading of 0.000 dBm on the Agilent 8902A.
7
On the Agilent 8702D:
a
Press
CAL
,
CALIBRATE MENU
,
RESPONSE
,
THRU
.
b
After the analyzer finishes the measurement, press
DONE: RESPONSE
.
c
Press
SAVE/RECALL
,
SAVE STATE
.
d
Press
MARKER FCTN
,
MARKER MODE MENU
,
STATS ON
.
8
Set the Agilent 8496A to 0 dB.
9
On the Agilent 8702D, press
MENU
,
TRIGGER MENU
,
SINGLE
.
10
Write the mean value (which appears on the analyzer’s display) in the “Test
Port” column of the “Performance Test Record.”
11
Write the Agilent 8902A readout in the “8902A” column of the “Performance
Test Record.”
12
Calculate the difference between the “Test Port 2" and the “8902A”.
13
Take the absolute value of the calculated difference, and enter the result in the
“Calculated Value” column of the “Performance Test Record.”
14
Set the Agilent 8496A to the other attenuation settings listed in the
“Performance Test Record,” while repeating Step 9 through Step 13.
NOTE
Ignore the
UNCAL
displayed on the Agilent 8902A. This indicates that you are making
an approximate power level measurement. However, this is
not
a concern because you
will be making a relative power measurement.