R&S CMU-B17 Technical Specification
1100.4903.12 TI.3 E-3
Functionality
Default: Bypass mode for highest measurement accuracy / RF tests
Setting: RX/TX Bypass
IEEE commands:
CONFigure:IQIF:RXTXcombined[?] BYP
CONFigure:IQIF:RXPath[?] BYP
CONFigure:IQIF:TXPath[?] BYP
Functionality:
• No influence to transmitted and received
signals.
• The path loss due to the inserted R&S
CMU-B17 board will be considered
automatically during mandatory calibration
procedure on R&S ACS calibration
system after installation of the option.
IQ / IF signal monitoring
Setting: Bypass w. I/Q IF OUT
IEEE commands:
CONFigure:IQIF:RXTXcombined[?]
BYIQ
CONFigure:IQIF:RXPath[?] BYIQ
CONFigure:IQIF:TXPath[?] BYIQ
Functionality:
• Monitoring of up-link and downlink signals
via IF or IQ outputs possible.
• The insertion loss of option R&S CMU-
B17 will be considered during calibration
procedure (pls. see Annex 4,
Specification, Influence on RF interface).
• This mode can also be used for fading
applications (pls. refer to chapter
Applications, R&S CMU in combination
with R&S SMIQ, SMIQ provides the faded
RF signal).
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