User Manual

The Spectrum Application (RF Measurements)
R&S
®
FPL1000
138User Manual 1178.3370.02 ─ 09
Note: In adjacent-channel power measurement, the power is always referenced to a
transmission channel (see "Reference Channel" on page 136), thus, this function is not
available.
Remote command:
[SENSe:]POWer:ACHannel:REFerence:AUTO ONCE on page 646
Optimized Settings (Adjust Settings)
All instrument settings for the selected channel setup (channel bandwidth, channel
spacing) can be optimized automatically.
The adjustment is carried out only once. If necessary, the instrument settings can be
changed later.
The following settings are optimized by "Adjust Settings":
●
"Frequency Span" on page 131
●
"Resolution Bandwidth (RBW)" on page 131
●
"Video Bandwidth (VBW)" on page 132
●
"Detector" on page 132
●
"Trace Averaging" on page 133
Remote command:
[SENSe:]POWer:ACHannel:PRESet on page 633
Sweep Time
With the RMS detector, a longer "Sweep Time" increases the stability of the measure-
ment results. For recommendations on setting this parameter, see "Sweep Time"
on page 130.
The "Sweep Time" can be set via the softkey in the "Ch Power" menu and is identical
to the general setting in the "Sweep" configuration dialog box.
Remote command:
[SENSe:]SWEep:TIME on page 775
Channel Setup
The "Channel Settings" tab in the "ACLR Setup" dialog box provides all the channel
settings to configure the channel power or ACLR measurement. You can define the
channel settings for all channels, independent of the defined number of used Tx or
adjacent channels (see "Number of channels: Tx, Adj" on page 136).
For details on setting up channels, see "How to Set Up the Channels" on page 142.
In addition to the specific channel settings, the general settings "Standard"
on page 135 and "Number of channels: Tx, Adj" on page 136 are also available in this
tab.
The following settings are available in individual subtabs of the "Channel Settings" tab.
Measurements and Results