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The recommended 2x2 system is configured as follows:
Other module and instrument placements can be used, but this configuration
optimizes speed and makes cabling simpler for phase coherent configuration.
Cabling is different for time-synchronization-only (independent LO) configuration
and phase-coherent (shared LO) configuration. See the following sections for
cabling information.
Time-Synchronized, Multi-Channel PXIe VSA & VSG (Independent LO)
When phase coherence is not required, cable the instrument as follows for time
synchronized multi-channel operation for independently tunable channels.
2x2 Independent LO Cable Connections:
Phase-Coherent, Multi-Channel PXIe VSA & VSG (Shared LO)
When the carrier phase must be aligned between channels (beamforming, relative
phase measurements), cable the instrument as follows:
2x2 Shared LO Cable Connections:
Keysight M9391A PXIe Signal Analyzer & M9381A PXIe Vector Signal Generator 1 MHz to 3 GHz or 6 GHz
VSA #1: M9391A
VSA #2: M9391A
M9214A in slot 2
M9214A in slot 6
M9301A in slot 3
M9301A in slot 7
M9350A in slot 4
M9350A in slot 8
The M9300A PXIe Frequency Reference module must be installed in slot 10 for
proper time synchronization between instruments. For more information, see
Sharing the M9300A Frequency Reference
– Primary 100 MHz connection (8121-2175, long SMB-SMB)
– Secondary 100 MHz and IF connections (8120-5091, short SMB-SMB)
– Semi-rigids
REF: M9300A
VSG #1: M9381A
M9300A in slot 10
M9311A in slot 11
M9310A in slot 13
M9301A in slot 14
.
VSG #2: M9381A
M9311A in slot 15
M9310A in slot 17
M9301A in slot 18
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