CDMA2000 BTS Analyzer (Option K82) R&S FSL
1300.2519.12 4.328 E-11
– Composite EVM
The composite EVM is the difference between the test signal and the ideal reference signal
(refer to the Composite EVM softkey).
– IQ Imbalance / Offset
Shows the IQ imbalance and the DC offset of the signal in %.
The values for IQ Imbalance and IQ Offset are only displayed in full screen mode.
Channel
Under Channel, the measurement results of the selected channel and the selected PCG are
displayed:
– Power
Shows the channel power of the selected channel and PCG. The result depends on the
selected Code Power and the Power Reference) and absolute channel power.
– EVM
Shows the peak or mean value of the EVM measurement result (refer to the EVM vs Symbol
softkey).
The value of the EVM is only displayed in full screen mode.
– Modulation
Displays the modulation type of the channel and PCG: BPSK, QPSK, 8PSK, or 16QAM. No
values are displayed in the Min and Max columns.
– Timing Offset
Shows the timing offset between the selected channel and the pilot channel (enabled via the
Demod Settings softkey, Time/Phase Estimation).
The Timing Offset is only displayed in full screen mode.
– Phase Offset
Shows the phase offset between the selected channel and the pilot channel (enabled via the
Demod Settings softkey, Time/Phase Estimation).
The Phase Offset is only displayed in full screen mode.
Select Ch/PCG
This softkey allows to select a specific PCG (Power Control Group) and/ or channel for the
measurement. The key has three different states. Pressing the softkey once, opens a standard
dialog box in which the channel number can be entered. Pressing it for the second time, a
specific PCG can be entered. On the third hit, the softkey becomes unselected.
For details on the effects of the Select Ch/PCG softkey, refer to Channel (Code) Number and
Power Control Group
The following result displays take results for a PCG into account:
– Code Domain Power on page 4.323
– Code Domain Error on page 4.329
– Channel Table on page 4.324
– Power vs Symbol on page 4.333
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