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PERFORMANCE TESTS
PERFORMANCE
TESTS
MODEL
8559A
-
-
4
-
19.
FREQUENCY RESPONSE (Cont'd)
21.
Select 9
-
15
GHz frequency band on spectrum analyzer. Set sweep oscillator to
CW
and frequency to
12.0
GHz. Use
CW
control to center signal on spectrum analyzer display. Trigger a 6 GHz sweep. Adjust
spectrum analyzer TUNING control to reposition tuning marker. Trigger another sweep. Record greatest
positive and greatest negative deviation of signal peaks from center horizontal graticule line (neglect devia
-
tions caused by tuning marker).
Maximum divisions
Minimum divisions
22.
Subtract mean deviation of step 16 from maximum and minimum values recorded in step
21.
Frequency
response for 9
-
15
GHz frequency band should not exceed
+
1.8
dB
(+
1.8
divisions).
Maximum
divisions (9
-
15
GHz)
Minimum
divisions (9
-
15
GHz)
23.
Select 6
-
15
GHz frequency band on spectrum analyzer. Set sweep oscillator to
CW
and frequency to
10.5
GHz. Use
CW
control to center signal on spectrum analyzer display. Set AF control for 9 GHz and trigger
a sweep. Adjust spectrum analyzer TUNING control several turns to reposition tuning marker. Trigger
another sweep. Record greatest positive and greatest negative deviation of signal peaks from center hori
-
zontal graticule line (neglect deviations caused by tuning marker).
Maximum divisions
Minimum divisions
23.
Subtract mean deviation of step
16
from maximum and minimum values recorded in step
23.
Frequency
response for 6
-
15
GHz frequency band should not exceed
k
2.1
dB
(+
2.1
divisions).
Maximum divisions (6
-
15
GHz)
Minimum
divisions (6
-
15
GHz)
25.
Select
12.1
-
21
GHz frequency band on spectrum analyzer and adjust TUNING control fully clockwise.
Set sweep oscillator to
CW
and frequency to
15
GHz. Set AF control for 6 GHz and trigger a sweep.
Record greatest positive and greatest negative deviation of signal peaks from center horizontal graticule
line
(12.1
GHz to
18
GHz).
Maximum divisions
Minimum divisions