Rohde & Schwarz CMU-K20, Руководство по эксплуатации

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Connection Control (Non Signalling only) CMU-K20/K21/K22/K23/K24
1115.6088.12 6.8 E-12
Subsystem DM:CLOCk (Synchronization)
The subsystem DM:CLOCk sets a system clock specific to the network. This frequency is set in the tab
Sync. in the popup menu Connect. Control .
SOURce:DM:CLOCk:STATe <Mode> REF OUT 2 on/off
<Mode> Description of parameters Def. value Def. unit FW vers.
ON | OFF Switch on/off system clock OFF – V1.15
Description of command
This commands switches the system clock specific to the network at the REF OUT 2 connector on or off.
SOURce:DM:CLOCk:FREQuency <Frequency> REF OUT 2
<Frequency> Description of parameters Def. value Def. unit FW vers.
1.219 MHz to 39.000 MHz Input value for the system clock 13.000 MHz V1.15
Description of command
This command determines the system clock frequency applied to REF OUT 2 . The frequency entered is inter-
nally rounded to one of the following discrete values:
39.000 MHz, 19.500 MHz, 13.000 MHz, 9.750 MHz, 7.800 MHz, 6.500 MHz, 5.571 MHz,
4.875 MHz, 4.333 MHz, 3.900 MHz, 3.545 MHz, 3.250 MHz, 3.000 MHz, 2.786 MHz,
2.600 MHz, 2.438 MHz, 2.294 MHz, 2.166 MHz, 2.053 MHz, 1.950 MHz, 1.857 MHz,
1.773 MHz, 1.696 MHz, 1.625 MHz, 1.560 MHz, 1.500 MHz, 1.444 MHz, 1.393 MHz,
1.349 MHz, 1.300 MHz, 1.258 MHz, 1.219 MHz
Subsystem TRIGger (Trigger Mode)
The subsystem TRIGger defines the trigger mode. It corresponds to the Trigger tab in the Connection
Control menu.
TRIGger[:SEQuence]:SOURce <Source> Source
<Source> Description of parameters Def. value Def. unit FW vers.
FRUN
RFPower
IFPower
EXTern The power measurement is triggered by the TDMA tim-
ing of the GSM input signal
Wideband RF power trigger
Narrow-band IF power trigger
External trigger signal at connector AUX3/4. FRUN – V1.15
Description of command
This command defines the source for the trigger event. The settings RFPower and IFPower require burst signals.
The setting FRUN requires burst signals with incorporated training sequence.
深圳德标仪器
135-1095-0799