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34 Agilent E1441A Application Information
Chapter 2
trigger source.
The command sequence to configure this mode is:
APPLY:<shape> <freq>,<ampl>,<offset>
set up wave form
BM:STATE ON
enable burst modulation
BM:SOURce INTernal
this selects the "counted" mode
TRIG:SOURce INTernal
trigger from internal trigger
timer
BM:NCYCles <cycle_count>
set the burst count
BM:INTernal:RATE <frequency>
set the burst rep rate
Figure 2-3 shows the operation of the counted burst mode with external
trigger source.
The command sequence to configure this mode is:
APPLY:<shape> <freq>,<ampl>,<offset>
set up wave form
BM:STATE ON
enable burst modulation
BM:SOURce INTernal
this selects the "counted" mode
TRIG:SOURce EXTernal|TTLTRG<0-7>|BUS
use external trigger
BM:NCYCles <cycle_count> set the burst count
Figure 2-3. Counted Burst Mode with INTernal Trigger
burst starts on
rising edge
burst ends when
count reached
Counted Burst Modulation Output
Burst Modulation Trigger Signal
(INTernal timer shown)
1/(Burst Rate)
Figure 2-4. Counted Burst Mode with EXTernal Trigger
burst starts on edge
set by TRIG:SLOPE
burst ends when
count reached
Counted Burst Modulation Output
Burst Modulation Trigger Signal
(TRIG:SOUR EXT, :SLOPE POS)