RF: Connection Control CMU
1100.4903.12 4.62 E-10
Aux Tx signal:
If option CMU-B95, Additional RF Generator, is fitted, the CMU provides a second RF signal AuxTx that can be
applied to one of the RF connectors RF1 or RF2. It is possible to superimpose both RF signals at the same
output connector or use different connectors (see section RF Connectors (Connection Control – RF) on p. 4.65 ff.).
Moreover, it is possible to assign independent external attenuation factors to both signals.
AuxTx is generated with the modulation settings of the primary Tx signal (...RFGenerator:MODulation...)
but with no frequency hopping or ramping. Option CMU-B95 extends the functionality of the GSM-MS measure-
ments, see operating manual for options R&S CMU-K20/…/K24.
Fig. 4-30 Connection Control – RF generator settings (table)
Default Settings
Default All Settings assigns default values to all settings in the Generator tab (the
default values are quoted in the command description in chapter 6 of this manual).
Additional default switches are provided for the individual signals Tx and Aux Tx.
Remote Control
DEFault:RFGenerator
Application
Application selects one of the following RF generator signal configurations:
Tx The primary RF signal Tx is generated according to the settings
in the Generator tab. The additional signal Aux Tx is always
switched off.
Aux Tx The additional signal Aux Tx is generated according to the set-
tings in the Generator tab. The primary signal Tx is always
switched off.
Tx + Aux Tx Both the primary signal Tx and the additional signal Aux Tx can
be generated.
Selecting an application does not automatically switch on the RF generator; see
Generator Control below.
Remote Control
CONFigure:RFGenerator:APPLication RX | AUXT | TXAT
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