Rohde & Schwarz SMU200A - I;Q Level - Info

Instrument Function
R&S
®
SMU200A
317Operating Manual 1007.9845.32 ─ 15
Signal Monitoring
The section "Signal Monitoring" indicates digital signal clipping.
Overflow - Digital I/Q Out
Indicates that the I/Q output signal is currently clipped. This indication also appears in
the block diagram close to the digital I/Q Out connector.
Overload may occur, e.g. if the level of the output signal, or the noise level (AWGN) are
too high.
SCPI command:
[:SOURce]:IQ:OUTPut:DIGital:OFLow:STATe on page 734
Overflow Hold - Digital I/Q Out
Indicates an overflow since last reset.
The overflow hold state can be reset via the "Reset" button next to the LED, or is reset
automatically by starting a new signal generation or by setting new values to the output
level.
SCPI command:
[:SOURce]:IQ:OUTPut:DIGital:OFLow:HOLD:STATe on page 734
Reset - Digital I/Q Out
Executes a reset of the overflow hold state and LED.
SCPI command:
[:SOURce]:IQ:OUTPut:DIGital:OFLow:HOLD:RESet on page 734
Power On Settings
The power on behaviour of the R&S SMU is set in the "Power On Settings" section.
Power-On State - Digital I/Q Out
Selects the state which the digital I/Q Output is to resume after the instrument is switched
on.
"I/Q Out Off"
The output is deactivated when the instrument is switched on.
"Previous Set-
ting"
When the instrument is switched on the digital I/Q output resumes to the
status that was active before the last switch off.
SCPI command:
[:SOURce<hw>]:IQ:OUTPut:DIGital:PON on page 734
Connected Device - Digital I/Q Out
Indicates the ID of an externally connected R&S Instrument or R&S Device.
SCPI command:
[:SOURce<hw>]:IQ:OUTPut:DIGital:CDEVice on page 733
5.7.4 I/Q Level - Info...
The signal levels and the crest factor of the baseband signal at the I/Q output connectors
are indicated in the dialog box "Baseband Signal Level".
Impairment of Digital I/Q Signal and Noise Generator - AWGN/IMP Block