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User's Manual
Trigger Source
4.3.6
The waveform generator will generate a pulse string output when receive a trigger signal and wait next trigger
source. The trigger source of pulse string can be internal and external. It can be change by multifunction
rotary knob and arrow keys or press soft key
1)
The waveform generator will continue output the designated frequency when in internal trigger
The output pulse string frequency controlled by pulse string period. The waveform can output the pulse
string of N cycle and infinite type.
2)
The waveform generator will trigger by the external digital modulation terminal (FSK/CNT connector) on
the back panel when in external source. The waveform generator can output pulse string upon receiving
a TTL pulse with designated polarity. The waveform can output the pulse string of N cycle and infinite
type.
Trigger Edge
4.3.7
The external digital modulation terminal (FSK/CNT connector) can be designated edge as input or output. The
rising edge and falling edge can be set, "rising edge" means that rising edge of external signal triggers output
a pulse string; "falling edge" means that falling edge of external signal triggers output a pulse string.
In gating mode, when polarity is positive in parameter list, the external signal with high level, it will output a
pulse string; when polarity is negative, the external signal with low level, it will output a pulse string. The
default is rising edge.
TailEdge
interface
.
Comprehensive Example
4.3.8
In burst mode, set a sine wave with period 5ms, amplitude 500 mVpp as pulse string wave, burst mode set to
N cycle, pulse string period to 15ms, set cycle number to 2 at last, the settings steps as following,
1) Enabling Burst Mode
Press Mode
Instruments.uni-trend.com
It can be change by multifunction rotary knob and arrow keys or press soft key
(press soft key
Polarity
Burst
NCycle
to set burst mode to "N cycle" mode.
TrigSrc
to complete the setting in pulse string type interface.
Negative
in gating mode) to complete the setting in pulse string type
UTG1000X Series
source.
TrigEdg
61 / 74
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