GW Instek GRF-1300A - Manual (Page 53)

RF Communication and Signals Experiments
marker function on the spectrum analyzer to measure the
value.
Step6 Marker
1 0
Record the value, then calculate the phase noise according to
the formula, and record the spectrum and measurement results
in Table 4-3.
6. Adjust the PLL output frequency to 900MHz, and again
measure the power and phase noise corresponding to the
frequency.
Step7
UP
Step8
F1 0
Step9
Peak
Search
Record the carrier power. Set the deviation carrier frequency
f
m
to a deviation ( of 100kHz. Use the Delta Marker function on
the spectrum analyzer to measure the value.
Step10 Marker
1 0
Record the value, then calculate the phase noise according
to the formula, and record the spectrum and measurement
results in Table 4-3.
7. Adjust the PLL output frequency to 910MHz, and again
measure the power and phase noise corresponding to the
frequency.
Step11
UP
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