NF WAVE FACTORY WF1967, Instruction Manual (Operations, Page: 150 / 330

4.9 Setting and Operation of Burst
WF1967/WF1968 4-100
g) To
start gate oscillation → Trigger (gate signal)
When gate signal On is accepted, oscillation starts.
Internal trigger oscillator, external signal, manual trigger operation, and remote trigger can be used
as a trigger.
h)
To output a burst synchronous signal → Synchronous output setting
Set synchronization/sub output [SubOut] on the third page of the setting screen. Select from
following table.
Modulation function on and internal modulation Modulation function off or external modulation
Waveform reference phase synchronization[Sync] Waveform reference phase synchronization[Sync]
Burst synchronization [BrstSync] Burst synchronization[BrstSync]
Internal modulation synchronization [ModSync] -
Internal modulation waveform [ModFctn] Sub waveform [SubFctn]
Output disabled [Off] Output disabled [Off]

When [Sync] is selected
Signals with TTL level that are rising at the reference phase of waveform are output from the
synchronization/sub-output terminal.

When [BrstSync] is selected
Signals with TTL level that synchronized with the gate oscillation are output from the
synchronization/sub-output terminal. It is low during oscillation and high while oscillation is
stopped, as show in the following figure. Note that it is different from a gate signal.
When a signal under burst is observed with the oscilloscope etc., it can be used as a trigger signal of
the oscilloscope.

When [SubFctn] is selected (only when modulation function is off or using external
modulation)
Outputs a sub waveform from the synchronization/sub output BNC terminal. The frequency is same
as main output. The waveform, amplitude, offset and phase are settable independently from main
output.

When [Off] is selected
The output will be low level. This helps to reduce interference from the synchronization output
signal.
i)
To oscillate in half cycle → Oscillation stop unit as half cycle
When you want to stop oscillation every half cycle, set the oscillation stop unit [OscStop] as half
cycle [HalfCycle] on the second page of the setting screen. Usually, set to 1 cycle [Cycle]. When it
is set to 1 cycle [Cycle], the oscillation has an integer cycle.
The following figure shows the comparison for the cases of one cycle and half cycle. Start
oscillation/stop phase: 30 degrees, stop level: In case of Off.
Gate signal
Oscillation
Burst sync signal
Gate on Gate off
Gate on Gate off
Output signal
Stopped Oscillation Stopped