Sweep R&S®SML / R&S®SMV03
1090.3123.12 E-6 4.50
Selecting Linear or Logarithmic Sweep (Spacing Lin, Log)
Linear or logarithmic sweep can be selected with Spacing. For RF and LF sweeps, both the linear and
logarithmic modes are selectable. For level sweeps, only the logarithmic mode is possible.
With logarithmic sweeps, the step size (Step) is equal to a constant fraction of the current setting. The
logarithmic step size for RF and LF sweeps is entered in % and for level sweeps in dB.
Operating Modes (Mode)
The following sweep modes are available:
Auto
Sweep from start point to stop point with automatic restart at start point. If another
sweep mode was active prior to selection of the auto mode, the sweep is continued
from the setting active at that time.
IEC/IEEE bus commands
RF sweep: LF sweep: Level sweep:
SOUR:FREQ:MODE SWE SOUR2:FREQ:MODE SWE SOUR:POW:MODE SWE
SOUR:SWE:MODE AUTO SOUR2:SWE:MODE AUTO SOUR:SWE:POW:MODE AUTO
TRIG:SOUR AUTO TRIG2:SOUR AUTO TRIG:SOUR AUTO
Single
Single sweep from start point to stop point. The selection of Single does not start a
sweep run. The sweep run is started by means of the Execute Single Sweep
function, which is displayed below the Mode line.
IEC/IEEE bus commands
RF sweep: LF sweep: Level sweep:
SOUR:FREQ:MODE SWE SOUR2:FREQ:MODE SWE SOUR:POW:MODE SWE
SOUR:SWE:MODE AUTO SOUR2:SWE:MODE AUTO SOUR:SWE:POW:MODE AUTO
TRIG:SOUR SING TRIG2:SOUR SING TRIG:SOUR SING
Step
Step-by-step, manual run within the sweep limits. Activating Step stops a running
sweep and the cursor moves to the value indicated for Current. The sweep can now
be controlled upwards or downwards in discrete steps using the rotary knob or the
numeric keys.
IEC/IEEE-bus commands:
RF sweep: LF sweep: Level sweep:
SOUR:FREQ:MODE SWE SOUR2:FREQ:MODE SWE SOUR:POW:MODE SWE
SOUR:SWE:MODE STEP SOUR2:SWE:MODE STEP SOUR:SWE:POW:MODE STEP
TRIG:SOUR SING TRIG2:SOUR SING TRIG:SOUR SING
Ext Single
Single sweep from start point to stop point as with Single, but triggered by an
external signal
IEC/IEEE-bus commands:
RF sweep: LF sweep: Level sweep:
SOUR:FREQ:MODE SWE SOUR2:FREQ:MODE SWE SOUR:POW:MODE SWE
SOUR:SWE:MODE AUTO SOUR2:SWE:MODE AUTO SOUR:SWE:POW:MODE AUTO
TRIG:SOUR EXT TRIG2:SOUR EXT TRIG:SOUR EXT
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