1xEV-DO BTS Analyzer (Option K84) R&S FSL
1300.2519.12 4.382 E-11
– Composite EVM
The composite EVM value is the difference between the test signal and ideal reference signal
(also see Composite EVM).
– Max. Pwr DATA
Shows the maximum power of the Data channel. This is the highest value of the I- and Q-branch
of the Data channel.
– Min. Pwr. DATA
Shows the minimum power of the Data channel. This is the smallest value of the I- and Q-
branch of the Data channel.
– Data Mode Type
Shows the modulation type of the Data channel.
– Act. MAC Chs
Shows the number of active MAC channels.
– Act. DATA Chs
Shows the number of active Data channels.
– Preamble Length
Shows the length of the preamble in chips. If no preamble is present in the slot, this value is 0.
– RHO
Shows the quality parameter RHO calculated over a slot.
– Max. inact. Pwr MAC
Shows the maximum power of inactive MAC channels. This is the highest inactive channel from
the I- and Q-branch of the MAC channels.
Remote: CALC:FEED "XTIM:CDP:ERR:SUMM"
Remote: CALC:MARK:FUNC:POW:RES?
Channel Results
Under Channel Results, the measurement results that concern a specific channel are displayed.
The upper part of the result display shows common results for the selected channel:
– Power
Shows the total power of the selected channel type.
– IQ Imbalance
Shows the IQ imbalance of the signal in percent.
– Pk CDE (SF xx/IQ)
The Peak Code Domain Error measurement specifies a projection of the difference between test
signal and ideal reference signal to the spreading factor that belongs to the channel type. This
spreading factor is shown in brackets.
– IQ Offset
Shows the DC offset of the signal in percent.
The bottom part of the result display shows results specific to the selected channel type and the
selected slot:
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