Key Reference
Meas
134
Offset/Limits Displays the menus to change the following parameters for
offset frequency settings and pass/fail tests: Offset, Start Freq,
Stop Freq, Sweep Time, Res BW, and Limits. Refer to the tables
below for default settings of particular radio standards of
interest.
Key access:
> More > Spectrum Emission Mask
a. Fail Mask is set to Absolute and Rel Stop is set to Couple.
Total Pwr R e f
(PSD Ref)
Auto Man
Displays the type of power measurement
reference selected by Meas Type.
Tota l Pwr R ef is the power in the carrier that is
used as the reference in computing the
relative power values for the offsets. When
Man is selected, this can be set by the user.
When Auto is selected, this is the measured
power in the reference carrier.
PSD Ref is the mean power spectral density in
the carrier that is used as the reference in
computing the relative power spectral density
values for the offsets. When Man is selected,
this can be set by the user. When Auto is
selected, this is the measured mean power
spectral density in the reference carrier.
Key access:
> More > Spectrum Emission
Mask > Ref Channel
Meas
Meas
Tabl e 1 Offsets & Limits Defaulted for W-CDMA (3GPP) Base Station Measurements
a
Offset Start
Freq
(MHz)
Stop
Freq
(MHz)
Res BW
(kHz)
Abs
Start
(dBm)
Abs
Stop
(dBm)
Abs
Couple
Rel
Start
(dBc)
Rel Stop
(dBc)
Meas
BW
A. On 2.515 2.715 30.00 -14.00 -14.00 Couple -30.00 -30.00 1
B. On 2.715 3.515 30.00 -14.00 -26.00 Man -30.00 -30.00 1
C. On 3.515 4.000 30.00 -26.00 -26.00 Couple -30.00 -30.00 1
D. On 4.000 8.000 1000.00
30.00
-13.00 -13.00 Couple -30.00 -30.00 1
33
E. On 8.000 12.500 1000.00 -13.00 -13.00 Couple -30.00 -30.00 1
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