Agilent Technologies E4445A User Manual
476
Chapter 5
One-Button Measurement Functions
Meas Setup (Spectrum Emissions Mask—SEM)
O
n
e-
But
ton
M
easur
e
m
e
nt
Funct
ions
specified in the 3GPP W-CDMA standards. This parameter is only available when
3GPP
W-CDMA
is selected as the
Radio Std
from the
Mode Setup
menu. If
3GPP W-CDMA
is selected, the
roll-off value (alpha) for the filter will be initially set to 0.22 and T will be 260 ns. The
roll-off value can be changed using
roll-off value can be changed using
Filter Alpha
.
Key Path:
Meas Setup
State Saved:
Saved in instrument state.
Factory Preset: Off
History:
Added with firmware revision A.03.00.
Remote Command:
[:SENSe]:SEMask:FILTer[:RRC][:STATe] OFF|ON|0|1
[:SENSe]:SEMask:FILTer[:RRC][:STATe]?
Example:
SEM:FILT 1
SEM:FILT?
5.22.7
Filter Alpha
Press
RRC Filter
to input the alpha value for the RRC Filter. This parameter is only
available when
3GPP W-CDMA
is selected as the Radio Std. from the Mode Setup menu.
Key Path:
Meas Setup
State Saved:
Saved in instrument state.
Factory Preset: 0.22 when W-CDMA is selected, otherwise Off.
Knob Increment: 0.01
Step Key
Increment:
Increment:
0.1
Range:
0.01 to 1.0
History:
Added with firmware revision A.03.00.
Remote Command:
[:SENSe]:SEMask:FILTer[:RRC]:ALPHA <number>
[:SENSe]:SEMask:FILTer[:RRC]:ALPHA?