Measurements and Results
R&S
®
FSVA3000/ R&S
®
FSV3000
163
User Manual 1178.8520.02 ─ 01
Setting a fixed reference for Channel Power measurements ( Set CP Reference )
If only one Tx channel and no adjacent channels are defined, the currently measured
channel power can be used as a fixed reference value for subsequent channel power
measurements.
When you select this button, the channel power currently measured on the Tx channel
is stored as a fixed reference power. In the following channel power measurements,
the power is indicated relative to the fixed reference power. The reference value is dis-
played in the "Reference" field (in relative ACLR mode); the default value is 0 dBm.
Note:
In adjacent-channel power measurement, the power is always referenced to a
transmission channel (see
on page 161), thus, this function is
not available.
Remote command:
[SENSe:]POWer:ACHannel:REFerence:AUTO ONCE
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" :
●
●
●
●
●
Remote command:
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
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:
7.3.4.2
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 "
For details on setting up channels, see
Chapter 7.3.6.2, "How to Set Up the Channels"
Channel Power and Adjacent-Channel Power (ACLR) Measurement
