6. On signal generators 1 and 2, perform the following steps to adjust each generator's signal
amplitude to
0
20 dBm.
a. On signal generator 1, turn the RF signal on and adjust the amplitude until the power
meter reads
0
26 dBm
6
0.1 dB.
b. On signal generator 1, turn the RF signal o.
c. On signal generator 2, turn the RF signal on and adjust the amplitude until the power
meter reads
0
26 dBm
6
0.1 dB.
d. On signal generator 1, turn the RF signal on.
7. On the HP 4395A, perform the following steps to measure the third order intermodulation
distortion product.
a.
Press
4
Trigger
5
,
NNNNNNNNNNNNNNNNNNNN
SINGLE
to make a sweep.Wait for the completion of the sweep.
b. Press
4
Marker
5
,
4
1
5
,
4
0
5
,
4
0
5
,
4
.
5
,
4
2
5
,
4
M/
5
to move the marker to peak of the signal generator
1's signal.
c.
Press
4
Marker
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FIXED 1MKR
to place the delta marker reference at the peak
of one carrier.
d. Press
4
Marker
5
,
4
-
5
,
4
1
5
,
4
0
5
,
4
0
5
,
4
k/m
5
to move the marker to the third order intermodulation
distortion products at the lower frequency.
e. Record the marker reading in the calculation sheet (\Lower Frequency" column).
f. Press
4
Marker
5
,
4
2
5
,
4
0
5
,
4
0
5
,
4
k/m
5
to move the marker to the third order intermodulation
distortion product at the upper frequency.
g. Record the marker reading in the calculation sheet (\Upper Frequency" column).
h.
Press
4
Marker
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE MENU
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE OFF
.
8. Compare the two marker readings at the lower and upper frequencies in the calculation
sheet. Record the larger value in the performance test record (\T
est Result" column).
Performance Tests 2-71
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