Rohde & Schwarz R&S SMU200A, Руководство по обслуживанию

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R&S SMU200A Troubleshooting
1007.9845.82 3.43 E-6
Troubleshooting - Module IQOP6
Internal adjustments , Adjust I/Q Modulator
A comprehensive test of the module is to run this internal adjustment.
Error Error correction
Internal adjustment “Adjust I/Q
Modulator” aborts at frequencies
>3 GHz.
Check for correct input signals, if incorrect, first replace
appropriate feeding modules.
Adjustment aborts again:
IQOP6 module is probably faulty.
Input and Output Signals
Connector,
System Signal name Setting on Signal
Generator Frequency Level Signal flow
X282, SMA SYNRF 200 to 3000 MHz
3000 to 6000 MHz 200 to 3000 MHz
1500 to 3000 MHz
13
±
3 dBm
from SSYN
X283, SMA SYNRFE 200 to 6000 MHz 200 to 6000 MHz
10
±
3 dBm
to IQOP3
X284, SMA IQ6 >3000MHz, I/Q
modulation on >3000 MHz >-5 to 0 dBm from IQOP3
X285, SMP LCON6 >3000 MHz dc 0.5 to 8 V from IQOP3
X286, SMP UDET6 >3000 MHz dc 0.5 to 15 V to IQOP3
X287, SMA OPU3RF 0.3 to 3000 MHz,
8 dBm 0.3 to 3000 MHz 8 to 18 dBm from IQOP3
X289, SMA OPU6RF 0.3 to 6000 MHz 0.3 to 6000 MHz >0 dBm to SATT6