6 Input/Output
6.1 RF Source
Please refer to the "RF Power Range" on page 1925 table below for the valid ranges.
Remote Command
:SOURce:POWer[:LEVel][:IMMediate][:
AMPLitude]
<ampl>
:SOURce:POWer[:LEVel][:IMMediate][:AMPLitude]?
Example
:SOUR:POW -100 dBm
Notes Amplitude corrections can be specified for use with the source. In the event of amplitude corrections
being applied, the valid ranges for the RF power do not change dependent on the current amplitude
correction setting. If the combination of RF power + amplitude correction is higher or lower than the
source output range, the Source Unleveled bit is set, and the “Source Unleveled” indicator will appear
on status panel to indicate that the source cannot maintain the output power that has been requested
When signal generator is unable to maintain the requested output level, the “Source Unleveled”
indicator will appear on status panel. When the source output setting is restored to the normal range,
the “Source Unleveled” is removed from status panel
Internal source has list sequence mode, which comprises of several steps which contain separate
output power, frequency and waveform etc. When the source list sequence playing is complete, the
last step keeps playing, and user can use this command to change the list sequence last step’s output
power
For EXT, The multiport adapter RFIO TX ports and GPS ports cannot ensure power accuracy when
power setting is lower than -130dBm, this power setting value is defined by the sum of RF Power
setting and related amplitude correction value. But user settable value could be lower than this limit.
When application detected there exists power setting lower than -130dBm on MPA RFIO TX ports,
then popup warning message . When application detected there exists power setting lower than -
130dBm on MPA GPS ports, then popup warning message . This is only warning message, and check
is performed when RF is ON
Dependencies The RF power is dependent on the RF output port and frequency, such that the current frequency and
selected output port determine the valid range of power values
Couplings For if AWGN State is ON and ARB State is ON, this setting is adjusted to the value to maintain the
AWGN power relationship defined by Power Control Mode and other noise settings
Preset -100 dBm
Min The range of values depends on the current frequency and selected RF output port. See "RF Power
Range" on page 1925 below for the valid ranges
Max The range of values depends on the current frequency and selected RF output port. Refer to "RF
Power Range" on page 1925 below for the valid ranges
RF Power Range
RF Output Port Frequency Range Min Output Power Max Output Power
High Power RF Out 10 MHz ≤ f ≤ 6 GHz –150 dBm 20 dBm
RFIO 1 & RFIO 2 10 MHz ≤ f ≤ 6 GHz –150 dBm 0 dBm
Note: This is the UI power range, which is larger than the actual specification.
1925 Short Range Comms & IoT Mode User's &Programmer's Reference
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