4.1 Burst oscillation
4-14
WF1945B
(2) Select trigger source (SOURCE)
①
Use the
and
keys to produce the following display (SOURCE flashes).
EXT
TRIG:
TYPE
SOURCE
STOP―LEVEL
4
②
Press the
ENTER
key.
③
Select rising (
) using the
MODIFY
dial. (
indicates falling of the trigger signal)
④
After making a selection, press the
EXIT
key once to exit the trigger source selection.
(3) Set STOP-LEVEL
①
Use the
and
keys to produce the following display (STOP-LEVEL flashes).
OFF
T-GATE:
TYPE
SOURCE
STOP―LEVEL
②
Press the
ENTER
key.
③
Turn the
MODIFY
dial to produce the following display (ON flashes).
ON 0.00 %
T-GATE:
TYPE
SOURCE
STOP―LEVEL
④
Press the
key, then set the stop level with the keypad or
MODIFY
dial. For example, set
to 100 %.
The stop level is the percentage with respect to the maximum positive (+100 %) and negative (
−
100 %)
amplitude.
⑤
After setting, press the
EXIT
key to release the setting mode.
The above sets the burst oscillation (type: triggered gate). Oscillation alternates between start and stop
each time a signal (
) is applied to the TRIG/SWEEP IN connector.
Содержание WF1945B
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