Rohde & Schwarz FSEA20 - Page 169

FETCh-Subsystem FSE
1065.6016.12 6.112 E-16
FETCh:SPECtrum Subsystem
This subsystem provides the commands for reading out results of measurements in the GSM BTS
(FSE-K11) or GSM MS (FSE-K10) Analyzer mode, used to measure the power of the spectral
contributions due to modulation and switching (modulation spectrum, transient spectrum) without first
restarting a new measurement.
COMMAND PARAMETERS UNIT COMMENT
FETCh Option FSE-K11 or FSE-K10
:SPECtrum
:MODulation
[:ALL]?
:REFerence?
:SWITching
[:ALL]?
:REFerence?
ARFCn | TXBand | RXBand |
COMBined | DCSRx1800
--
query only
query only
query only
query only
:FETCh:SPECtrum:MODulation[:ALL]? ARFCn | TXBand | RXBand | COMBined | DCSRx1800
This command reads out the result of the measurement of the modulation spectrum of the base
station or mobile.
Parameter: The result is output as a list of partial result strings separated by ’,’ in the following
(ASCII) format:
<Index>,<Freq1>,<Freq2>,<Level>,<Limit>, <Abs/Rel>,<Status> [,
<Index>,<Freq1>,<Freq2>,<Level>,<Limit>, <Abs/Rel>,<Status>]...
where the parts between ’[...]’ denote a partial result string that can be repeated n times.
<Index>: 0, if the partial result string characterizes a measurement range
current number <>0,
if the partial result string characterizes a single
limit excess.
<Freq1>: Start frequency of the measurement range or
frequency where the limit line is exceeded
<Freq2>: Start frequency of the measurement range or
frequency exceeding the measurement range. The value of
<Freq2> is equal to the value of <Freq1>, if either the
measurement is performed in the time domain or if the
partial result string contains a limit excess.
<Level>: Measured maximum level of the partial range or
measured level at the test point.
<Limit>: Limit in the partial range or at the test point
<Abs/Rel>: ABS <Level> and <Limit> are in absolute units (dBm)
REL <Level> and <Limit> are in relative units (dB)
<Status>: Result of the limit check in character data form:
PASSED no limit exceeded
FAILED limit exceeded
MARGIN margin exceeded
EXC limit excess marked as an exception
The frequencies <Freq1> and <Freq2> are always absolute i. e. not referred to the carrier frequency.