Bluetooth Measurements (Option K8) R&S FSL
1300.2519.12 4.162 E-11
Adjacent Channel Power measurement
The measurement of the TX Output Spectrum – Adjacent Channel Power measurement (TX Spec ACP
softkey) measures the power of all adjacent channels.
Fig. 4-13 TX Spectrum ACP measurement
The following limits are given by the RF Test Specification:
• P
TX
(f)
–20 dBm for |M–N| = 2
• P
TX
(f)
–40 dBm for |M–N|
3
with M = Transmit channel of the equipment under test, N = adjacent channel to be measured
A violation of these limits will be marked by red color and an asterisk (*).
Modulation Characteristics measurement
The measurement of the modulation characteristics (Modulation Char softkey) determines the
maximum frequency deviation of all 8 bit sequences of the payload.
Additionally the average value of the maximum frequency deviation of a packet will be calculated. For
this purpose the equipment under test is configured in a way that packets with bit pattern "11110000"
and "10101010" are transmitted alternately. According to the RF Test Specification this sequence has
to be repeated 10 times.
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