20. Initialize the signal generator. Then set the controls as follows:
Controls Settings
Frequency 50.1 MHz
Amplitude 6 dBm
21. Press
4
Meas
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ANALYZER TYPE
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SPECTRUM ANALYZER
,
4
Preset
5
to initialize the HP 4395A.
Then set the controls as follows
Control Settings Key Strokes
Center Frequency: 50.1 MHz
4
Center
5
,
4
5
5
,
4
0
5
,
4
.
5
,
4
1
5
,
4
M/
5
Frequency Span: 120 Hz
4
Span
5
,
4
1
5
,
4
2
5
,
4
0
5
,
4
x1
5
RBW: 10 Hz
4
Bw/Avg
5
,
N
NNNNNNNNNNNNNNNNNNN
RES BW
,
4
1
5
,
4
0
5
,
4
x1
5
Video BW: 10 Hz
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNN
VIDEO BW
,
4
1
5
,
4
0
5
,
4
x1
5
22.
Press
4
Meas
5
,
NNNNN
R
to set the HP 4395A to the R input.
23.
Press
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFERENCE VALUE
,
4
-
5
,
4
1
5
,
4
0
5
,
4
x1
5
,
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ATTENUATOR MENU
,
NNNNNNNNNNNNNNNNN
ATT R
,
4
0
5
,
4
x1
5
, to set the HP 4395A controls to the reference setting for the test.
24. Set the step attenuator to 20 dB.
25. Perform the following steps to measure the amplitude delity
.
a.
On the HP 4395A, press
4
Search
5
,
NNNNNNNNNNN
MAX
to move the marker to the peak of the carrier
.
b. On the signal generator, adjust the amplitude until the HP 4395A marker reads
0
30 dB
6
0.1 dB.
c.
On the HP 4395A, press
4
Trigger
5
,
NNNNNNNNNNNNNNNNNNNN
SINGLE
to make a sweep.Wait for the completion of
the sweep.
d.
Press
4
Search
5
,
N
NNNNNNNNNN
MAX
,
4
Marker
5
,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE MENU
,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
FIXED 1MKR
to place the delta reference
marker on the peak of the carrier (reference level of the amplitude delity).
e. Set the step attenuator to 10 dB.
f. Perform the following steps to measure the amplitude delity
.
i.
Press
4
Trigger
5
,
NNNNNNNNNNNNNNNNNNNN
SINGLE
to make a sweep.Wait for the completion of the sweep.
ii.
Press
4
Search
5
,
NNNNNNNNNNN
MAX
.
iii. Record the delta marker reading in the calculation sheet for the amplitude delity
.
26. Remove the xed attenuation from the R input, and connect it to the A input.
27.
Press
4
Meas
5
,
NNNNN
A
to set the HP 4395A to the A input.
28.
Press
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFERENCE VALUE
,
4
-
5
,
4
1
5
,
4
0
5
,
4
x1
5
,
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ATTENUATOR MENU
,
NNNNNNNNNNNNNNNNN
ATT A
,
4
0
5
,
4
x1
5
, to set the HP 4395A controls to the reference setting for the test.
29. Set the step attenuator to 20 dB
.
30. Repeat step 25 to measure the amplitude delity at the HP 4395A A input.
31. Remove the xed attenuation from the A input, and connect it to the B input.
32.
Press
4
Meas
5
,
NNNNN
B
to set the HP 4395A to the B input.
33.
Press
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
REFERENCE VALUE
,
4
-
5
,
4
1
5
,
4
0
5
,
4
x1
5
,
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ATTENUATOR MENU
,
NNNNNNNNNNNNNNNNN
ATT B
,
4
0
5
,
4
x1
5
, to set the HP 4395A controls to the reference setting for the test.
34. Set the step attenuator to 20 dB
.
35. Repeat step 25 to measure the amplitude delity at the HP 4395A B input.
Performance Tests 2-53
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