3 WLAN Mode
3.2 Channel Power Measurement
Models with Option Conditions Selection
Note that in these models, the
hardware does not actually provide for
an extra-fast tuning option, so the
settings for "Fast Tuning" on page 285
are actually the same as "Best Close-
in" on page 283, but the rules are
implemented this way so that the user
who doesn't care about phase noise
but does care about tuning speed
doesn't have to remember which of
the other two settings gives faster
tuning
Source Mode is set to “Tracking”
Center frequency is < 25 kHz, or
CF >= 1 MHz and Span <= 141.4 kHz
and RBW <= 5 kHz
"Best Close-in"
on page 283
All other conditions "Best Wide-
offset" on page
284
In all the above cases:
–
The RBW to be used in the calculations is the equivalent –3 dB bandwidth of the
current RBW filter
–
The rules apply whether in swept spans, zero span, or FFT spans
Ranges
Option Option # Phase Noise Option Range
No EPx Option 1 Best Close-in [offset < 20 kHz]
2 Best Wide-offset [offset > 30 kHz]
3 Fast Tuning [same as Best Close-In]
EP0 4 Best Close-in [offset < 600 kHz]
1 Balanced [offset < 600 kHz]
5 Best Spurs [offset < 600 kHz]
2 Best Wide-offset [offset > 800 kHz]
3 Fast Tuning [same as Best Close-In]
EP1 1 Best Close-in [offset < 140 kHz]
2 Best Wide-offset [offset > 160 kHz]
3 Fast Tuning [single loop]
EP2, EP3, EP5 1 Best Close-in [offset < 70 kHz]
2 Best Wide-offset [offset > 100 kHz]
3 Fast Tuning [medium loop bw]
EP4 1 Best Close-in [offset < 90 kHz]
2 Best Wide-offset [offset > 130 kHz]
3 Fast Tuning [same as Best Close-In]
287 WLAN Mode User's &Programmer's Reference
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