I/Q and IF Interface (Option CMU-B17) CMU
1100.4903.12 4.98 E-10
1. Default setting: Bypass mode for RF tests with maximum accuracy
The path loss due to the inserted board
CMU-B17 will be corrected automati-
cally during the mandatory calibration
procedure after installation of the option.
The option has no influence on transmitted
and received signals.
2. Scenarios for I/Q-IF signal monitoring
Monitoring of uplink and downlink signals
via IF or I/Q outputs possible.
The insertion loss of option CMU-B17 will
be corrected during the calibration pro-
cedure.
This mode can be used for fading applica-
tions.
3. Interruption of I/Q or IF signal paths for external signal processing
Fading Path scenario:
The Fading Path scenario can be used for
connecting an external baseband-fading
simulator (pls. see next chapter,
CMU200 and ABFS).
The transmitted signal can be routed to the
fading simulator via IF or IQ outputs.
Additionally it is possible to return the
faded signal via IQ input.
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