Table 2-21. Noise Sideband Test Settings
Signal Generator
Carrier Frequency
HP 4395A Oset
from Carrier
Center RBW VBW Frequency Span
Frequency
10 MHz 10 MHz 100 Hz 1Hz 2.5 kHz
6
1 kHz
1 kHz 3Hz 25 kHz
6
10 kHz
1 kHz 10 Hz 250 kHz
6
100 kHz
10 kHz 100 Hz 2.5 MHz
6
1 MHz
100 MHz 100 MHz 100 Hz 1Hz 2.5 kHz
6
1 kHz
1 kHz 3Hz 25 kHz
6
10 kHz
1 kHz 10 Hz 250 kHz
6
100 kHz
10 kHz 100 Hz 2.5 MHz
6
1 MHz
500 MHz 500 MHz 100 Hz 1Hz 2.5 kHz
6
1 kHz
1 kHz 3Hz 25 kHz
6
10 kHz
1 kHz 10 Hz 250 kHz
6
100 kHz
10 kHz 100 Hz 2.5 MHz
6
1 MHz
5. On the HP 4395A, press
4
Center
5
,
4
1
5
,
4
0
5
,
4
M/
5
to set the center frequency to 10 MHz.
6. Perform the following steps to measure the noise sideband level at each oset value
.
a. On the HP 4395A, set the controls as follows:
Control Settings Key Strokes
RBW: 100 Hz
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNN
RES BW
,
4
1
5
,
4
0
5
,
4
0
5
,
4
x1
5
Video BW: 1 Hz
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNN
VIDEO BW
,
4
1
5
,
4
x1
5
Frequency Span: 2.5 kHz
4
Span
5
,
4
2
5
,
4
.
5
,
4
5
5
,
4
k/m
5
b. Perform the following steps to measure the noise sideband level at
6
1 kHz oset from
the carrier.
i. Press
4
Trigger
5
,
NNNNNNNNNNNNNNNNNNNN
SINGLE
to make a sweep.Wait for the completion of the sweep.
ii.
Press
4
Search
5
,
N
NNNNNNNNNN
MAX
,
4
Marker
5
,
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE MENU
,
N
NNNNNNNNNNNNN
1MKR
to place the delta marker reference
at the peak of the carrier.
iii. Press
4
0
5
,
4
1
5
,
4
k/m
5
to move the delta marker to an oset of
0
1 kHz from the carrier.
iv. Record the delta marker reading in the performance test record.
v. Press
4
1
5
,
4
k/m
5
to move the delta marker to an oset of +1 kHz from the carrier.
vi. Record the delta marker reading in the performance test record.
c. On the HP 4395A, set the controls as follows:
Control Settings Key Strokes
RBW: 1 kHz
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNN
RES BW
,
4
1
5
,
4
k/m
5
Video BW: 3 Hz
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNN
VIDEO BW
,
4
3
5
,
4
x1
5
Frequency Span: 25 kHz
4
Span
5
,
4
2
5
,
4
5
5
,
4
k/m
5
d. Perform the following steps to measure the noise sideband level at
6
10 kHz oset from
the carrier.
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
,
4
Marker
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1MODE MENU
,
NNNNNNNNNNNNNN
1MKR
to place the delta marker reference
at the peak of the carrier.
iii. Press
4
0
5
,
4
1
5
,
4
0
5
,
4
k/m
5
to move the delta marker to an oset of
0
10 kHz from the
carrier.
iv. Record the delta marker reading in the performance test record.
v. Press
4
1
5
,
4
0
5
,
4
k/m
5
to move the delta marker to an oset of +10 kHz from the
carrier.
Performance Tests 2-59
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