NF WF1943B - Page 58

4.1 Burst oscillation
4-10 WF1943B
(2) Select gate SOURCE
① Use the
and keys to produce the following display (SOURCE flashes).
ＥＸＴ Ｌ－ＯＮ
ＧＡＴＥ：ＴＹＰＥ ＳＯＵＲＣＥ ＳＴＯＰ－ＬＥＶＥＬ
② Press the
ENTER
key.
③ Press the
key, then select positive logic (H-ON) with the
MODIFY
dial.
④ After setting, press the
EXIT
key to release the setting mode.
(3) Set STOP-LEVEL
① Use the
and keys to produce the following display (STOP-LEVEL flashes).
ＯＦＦ
ＧＡＴＥ：ＴＹＰＥ ＳＯＵＲＣＥ ＳＴＯＰ－ＬＥＶＥＬ
② Press the
ENTER
key.
Turn the
MODIFY
dial to produce the following display (ON flashes).
ＯＮ ０．００ ％
ＧＡＴＥ：ＴＹＰＥ ＳＯＵＲＣＥ ＳＴＯＰ－ＬＥＶＥＬ
③ Press the
key, then set the stop level with the keypad or
MODIFY
dial.
In this example, the setting is 0 %.
The stop level is the percentage with respect to the maximum positive (+100 %) and negative (-100 %)
amplitude.
④ After setting, press the
EXIT
key to release the setting mode.
The above selects sets burst oscillation (type: gate). Oscillation occurs when a high level signal is
applied to the TRIG/SWEEP IN connector. If the connection is open, oscillation continues due to
internal pullup.