R&S SMJ100A, Руководство по эксплуатации

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Instrument Function
R&S
®
SMJ100A
309 Operating Manual 1403.7458.32 ─ 14
Remote command:
[:SOURce<hw>]:IQ:OUTPut:DIGital:POWer:STEP[:INCRement]
on page 734
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.
Remote command:
[:SOURce]:IQ:OUTPut:DIGital:OFLow:STATe?
on page 733
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.
Remote command:
[:SOURce]:IQ:OUTPut:DIGital:OFLow:HOLD:STATe?
on page 732
Reset - Digital I/Q Out
Executes a reset of the overflow hold state and LED.
Remote command:
[:SOURce]:IQ:OUTPut:DIGital:OFLow:HOLD:RESet
on page 732
Power On Settings
The power on behaviour of the R&S SMJ 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.
Remote command:
[:SOURce<hw>]:IQ:OUTPut:DIGital:PON
on page 733
Connected Device - Digital I/Q Out
if the connection is properly established and signal transmission is active, this parame-
ter indicates the ID of an externally connected Rohde&Schwarz instrument.
Remote command:
[:SOURce<hw>]:IQ:OUTPut:DIGital:CDEVice?
on page 732
Impairment of Digital I/Q Signal and Noise Generator - AWGN/IMP Block