Sweep SME
1038.6002.02 2.136 E-13
EXT-STEP
Step-by-step run by means of the external trigger signal. Each trigger event triggers
a single step.
IEC-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 EXT TRIG2:SOUR EXT TRIG:SOUR EXT
OFF
The sweep operating mode is switched off.
IEC-bus commands:
RF sweep: LF sweep: Level sweep:
SOUR:FREQ:MODE CW SOUR2:FREQ:MODE CW SOUR:POW:MODE CW
2.8.4 Trigger Input
An external signal at the rear input triggers the sweep in the EXT-SINGLE and EXT-STEP operating
modes. The polarity of the active trigger edge can be set in menu UTILITIES - AUX I/O EXT TRIG
SLOPE .
2.8.5 Sweep Outputs
Outputs X-AXIS, BLANK and MARKER are available at the rear of the instrument to control and trigger
oscilloscopes or XY recorders.
X-AXIS
With sweep switched on, this output supplies a voltage ramp of 0 to 10 V for the X-
deflection of an oscilloscope or an XY recorder.
BLANK
This output supplies a signal (0V/5V) to trigger and blank an oscilloscope or for the
PEN LIFT control of an XY recorder. The polarity and the period of the signal can be
set under UTILITIES - AUX I/O - BLANK POLARITY and - BLANK TIME.
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