R&S ESR Series User Manual page 242

®
R&S ESR
If measuring according to the IBW method ("Fast ACLR Off"), the bandwidths of
the different adjacent channels are to be entered numerically. Since all adjacent
channels often have the same bandwidth, the other alternate channels are set to
the bandwidth of the adjacent channel when it is changed. Thus, only one value
needs to be entered in case of equal adjacent channel bandwidths.
For details on available channel filters see
Filter
Remote command:
[SENSe:]POWer:ACHannel:BANDwidth|BWIDth[:CHANnel<channel>]
on page 731
[SENSe:]POWer:ACHannel:BANDwidth|BWIDth:ACHannel
[SENSe:]POWer:ACHannel:BANDwidth|BWIDth:ALTernate<channel>
on page 730
ACLR Reference ← Bandwidth ← Channel Setup ← CP/ACLR Settings ← Ch
Power ACLR
Select the transmission channel to which the relative adjacent-channel power values
should be referenced.
TX Channel 1
Min Power TX Channel
Max Power TX Channel
Lowest & Highest Channel
Remote command:
[SENSe:]POWer:ACHannel:REFerence:TXCHannel:MANual
[SENSe:]POWer:ACHannel:REFerence:TXCHannel:AUTO
Spacing ← Channel Setup ← CP/ACLR Settings ← Ch Power ACLR
Define the channel spacings for the TX channels and for the adjacent channels.
●
TX channels (left column)
TX1-2
TX2-3
...
The spacings between all adjacent TX channels can be defined separately. When you
change the spacing for one channel, the value is automatically also defined for all sub-
sequent TX channels in order to set up a system with equal TX channel spacing
quickly. For different spacings, a setup from top to bottom is necessary.
If the spacings are not equal, the channel distribution according to the center frequency
is as follows:
User Manual 1175.7068.02 ─ 12
Type", on page 366.
spacing between the first and the second carrier
spacing between the second and the third carrier
...
Chapter 6.2.6.3, "Selecting the Appropriate
Transmission channel 1 is used.
The transmission channel with the lowest power is used as a refer-
ence channel.
The transmission channel with the highest power is used as a refer-
ence channel.
The outer left-hand transmission channel is the reference channel
for the lower adjacent channels, the outer right-hand transmission
channel that for the upper adjacent channels.
Spectrum Measurements
Measurements
on page 730
on page 737
on page 736
239