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1. Center Frequency Readout Accuracy
Test
Note
Spectrum analyzer center frequency readout can fall outside of
specified limits if 10 MHz frequency reference has not been calibrated
within the past year. To eliminate “frequency reference error x
tune frequency” term, substitute spectrum analyzer 10 MHz FREQ
REFERENCE rear panel output for frequency standard and repeat
test.
‘Ihble
2-2. Center Frequency Readout Error
Test
Record
Spectrum Analyzer
I
[FREQUENCYSPAN)I(CENTER
FREQumcy~
Center Readout
(MHz)
(MHZ)
100 MHz
100 MHz
100 MHz
10 MHz
10 MHz
10 MHz
10 MHz
1 MHz
100
kHz
10
kHz
\
I
100
500
1000
100
500
1000
1500
1000
1000
1000
\
I
Min Measured
98
498
998
99.8
499.8
999.8
1499.8
999.98
999.998
999.9998
Max
102
502
1002
100.2
500.2
1000.2
1500.2
1000.02
1000.002
1000.0002
Performance Tests 2-5