TRACe Subsystem EM510
5.117 4065.7763.32-01.00
PACKed -> <Definite Length Block>: (see "Block data" on page 5.11)
level in 1/10 dBuV (2 bytes)
offset in Hz (4 Byte)AM - modulation index in 1/10 % (2 bytes)
AM - positive modulation index in 1/10 % (2 bytes)
AM - negative modulation index in 1/10 % (2 bytes)
FM frequency deviation in Hz (4 bytes)
positive frequency deviation in Hz (4 bytes)
negative frequency deviation in Hz (4 bytes)
phase deviation in 1/100 rad (2 bytes)
bandwidth in Hz (4 bytes)
channel number (2 Byte)
frequency in Hz (4 Byte)
Notes:
INF (end-of-range code) will be coded in the PACKed format as follows:
INF level = 2000
INF offset = 10000000
INF freq = 0
INF channel = 0
NINF (measurement not possible) will be coded in the PACKed format as follows:
NINF Offset = 10000000-1
The level can always be measured.
NaN is output as #110 in the PACKed format
To ensure that for the two traces the same number of points is output, the two queries have to be
one directly behind the other in the same command line (e.g. TRACE? MTRACE;TRACE? ITRACE).
Example:
TRACe? MTRACE -> 23.4, -2500, 18.5, 1500
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