Instrument Function
R&S
®
SMU200A
208Operating Manual 1007.9845.32 ─ 15
●
Generation of 4xN MIMO signal with two R&S Signal Generators, R&S Signal Gen-
erator 1 working in Coupled A->B mode and R&S Signal Generator 2 working in
External Coupled A->B mode.
5.5.5.3 LO Coupling Menu
To open the "LO Coupling" menu, select "RF/A Mod > Configure > LO Coupling" or use
the MENU key under "RF/A Mod".
The menu is available only for instruments equipped with the option R&S SMU-B90.
This option enables phase coherent RF outputs of two or more RF paths.
The local oscillator coupling is set in the lower area of the group menu "Frequency/
Phase". The menu is used to select the mode of the LO coupling and the state of the local
oscillator output.
For more information about the upper areas, see:
●
chapter 5.5.2.3, "Frequency Menu", on page 197
●
chapter 5.5.3.1, "Phase Menu", on page 199
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chapter 5.5.4.1, "Reference Oscillator Dialog", on page 204
Mode - LO Coupling
Selects the mode of the local oscillator coupling.
"Internal"
This mode corresponds to a normal operation.
The internal local oscillators are used for each RF path.
RF Signal and Analog Modulations - RF Block
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