SOURce2:SWEep R&S®SML / R&S®SMV03
1090.3123.12 E-6 6.44
:SOURce2:SWEep[:FREQuency]:STEP
The c
ommands to set the step width with linear and logarithmic sweeps are under this node. The
settings of STEP:LIN and STEP:LOG are independent of each other.
:SOURce2:SWEep[:FREQuency]:STEP[:LINear] 0 to 1 MHz
The command sets the step width with the linear sweep. If STEP:LIN is changed, the value of
POINts valid for SPAC:LIN also changes according to the formula defined under POINts. A
change of SPAN does not cause a change of STEP:LIN. Keyword [:LIN] can be omitted, then
the command conforms to SCPI regulation (see example).
Example: :SOUR2:SWE:STEP 10kHz *RST value is 1 kHz
:SOURce2:SWEep[:FREQuency]:STEP:LOGarithmic 0.01 to 100PCT
This command defines the step width factor for logarithmic sweeps. The next frequency value of
a sweep is calculated as follows (if STARt < STOP) :
New frequency = previous frequency + STEP:LOG x previous frequency
STEP:LOG , therefore, indicates the fraction of the previous frequency by which that frequency is
increased for the next sweep step. STEP:LOG is usually indicated in percent, with the suffix PCT
having to be used explicitly. If STEP:LOG is changed, the value of POINts valid for
SPACing:LOGarithmic also changes according to the formula stated under POINts. A change
of STARt or STOP does not result in a change of STEP:LOGarithmic.
Example: :SOUR2:SWE:STEP:LOG 5PCT *RST value is 1 PCT
SOURce2:SWEep:[:FREQuency]:RUNNing?
The command set a queries whether a sweep is being performed.
Example: SOUR2:SWE:FREQ:RUNN?
Note: This query may cause distortions in the course of the sweep, depending on the frequency
of checkimng and dwell time.
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