CMU RF: Connection Control
1100.4903.12 4.71 E-10
REF
OUT 2
The softkey REF OUT 2 configures a network-specific system clock REF OUT 2 to
be fed to the output REF OUT 2 at the rear of the instrument. The clock frequency
can be used to synchronize other instruments to the CMU.
The associated field permits to select between two alternatives:
OFF (other network) The clock frequency of the current function group is not fed
to the output REF OUT 2.
With this setting the system clock of another active function
group (e.g. the network GSM1800 while the current net-
work is GSM900) is still applied to REF OUT 2 provided
that the output REF OUT 2 is switched on in the other func-
tion group. However, if REF OUT 2 is explicitly switched
over from On to Off the clock signal is definitely removed.
On (current network) The network-specific system clock of the current function
group is fed to output REF OUT 2. The system clock of any
other function group applied to REF OUT 2 before is re-
placed.
Besides the basic clock frequency of 40 MHz one of the following clock frequencies
may be selected:
40.000 MHz, 20,000 MHz, 13.334 MHz, 10.000 MHz, 8.000 MHz, 6.667 MHz, 5.715 MHz,
5.000 MHz, 4.445 MHz, 4.000 MHz, 3.637 MHz, 3.334 MHz, 3.077 MHz, 2.858 MHz,
2.667 MHz, 2.500 MHz, 2.353 MHz, 2.223 MHz, 2.106 MHz, 2.000 MHz, 1.905 MHz,
1.819 MHz, 1.740 MHz, 1.667 MHz, 1.600 MHz, 1.539 MHz, 1.482 MHz, 1.429 MHz,
1.380 MHz, 1.334 MHz, 1.291 MHz, 1.250 MHz
(The values are calculated according to the formula F
out 0
= 40.000 MHz / n where
n = 1, ..., 32.)
Remote control
SOURce:DM:CLOCk:STATe ON | OFF
SOURce:DM:CLOCk:FREQuency <Frequency>
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