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4. Impulse and Resolution Bandwidth Accuracy Test
Note
6
dB
resolution bandwidth measurements are used in Performance
Test 5, Impulse and Resolution Bandwidth Selectivity Test.
HKR
A
3.103
MHZ
b
REF
-9.0
dBm
ATTEN
10
129
0.00
dB
LINEAR
Figure 4-3. 6
dB
Resolution Bandwidth Measurement
46. Select the spectrum analyzer
[BW]
and
FREQUENCY
SPAN)
settings according to
Table
4-3. Press SWEEP
(?iKiF]
and
measure the 6
dB
bandwidth for each resolution bandwidth
setting using the procedure of steps 43 through 45 and record the
value in
Table
4-3. The measured bandwidths for 300 Hz, 100
Hz, 30 Hz, and 10 Hz should fall between the limits shown in the
table.
‘Ihble
4-2. Impulse Bandwidth Accuracy
paiq
4-8 Option 462
3
MHz (i)
1 MHz (i)
300
kHz
(i)
100
kHz
(i)
30
kHz
(i)
10
kHz
(i)
3
kHz
(i)
1
kHz
(i)
Marker Readouts for:
T
Calculated
Imrmlse
Bandwidth
1
EIigh
Frequency
Low Frequency
Repetition Rate
R
epetition Rate
Minimum
Actual
3
MHz
2.40
MHz
3
MHz
900 kHz
3
MHz
270
kHz
1
MHz
90 kHz
300
kHz
27
kHz
100
kHz
9
kHz
30
kHz
2.7
kHz
10
kHz 900 Hz
Maximum
3.60
MHz
1.1 MHz
330
kHz
110 kHz
33
kHz
11
kHz
3.3
kHz
1.1 kHz