Measurements
R&S
®
FSW
137User Manual 1173.9411.02 ─ 19
Results are provided for the TX channel and the number of defined adjacent channels
above and below the TX channel. If more than one TX channel is defined, the carrier
channel to which the relative adjacent-channel power values should be referenced
must be defined. By default, this is the TX channel with the maximum power.
Table 5-9: Measurements performed depending on the number of adjacent channels
0 Only the channel powers are measured.
1 The channel powers and the power of the upper and lower adjacent channel are measured.
2 The channel powers, the power of the upper and lower adjacent channel, and of the next higher
and lower channel (alternate channel 1) are measured.
3 The channel power, the power of the upper and lower adjacent channel, the power of the next
higher and lower channel (alternate channel 1), and of the next but one higher and lower adja-
cent channel (alternate channel 2) are measured.
… …
12 The channel power, the power of the upper and lower adjacent channel, and the power of all the
higher and lower channels (alternate channels 1 to 11) are measured.
In the R&S FSW's display, only the first neighboring channel of the carrier (TX) channel
is labelled "Adj" (adjacent) channel; all others are labelled "Alt" (alternate) channels. In
this manual, "adjacent" refers to both adjacent and alternate channels.
The measured power values for the TX and adjacent channels are also output as a
table in the second window. Which powers are measured depends on the number of
configured channels.
For each channel, the following values are displayed:
Channel Power and Adjacent-Channel Power (ACLR) Measurement
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