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Square
1μHz
Wave
Ramp
1μHz
Wave
Arbitrary
1μHz
Wave
Press Parameter→Frequency softkey, then enter required numerical value, and select unit.
Modulation Source Selection
UTG1000A function/arbitrary waveform generator can select internal modulation source or external
modulation source. After enabling PSK function, the default of modulation source is internal. If need to
change, press Parameter→Modulation→Source→External in turn.
1) Internal Source
When modulation source is internal, internal modulation wave is a square wave of 50% duty cycle (not
adjustable). The PSK rate can be set to customize the moving frequency between carrier wave phase
and modulation phase.
2) External Source
When modulation source is external, carrier waveform will be modulated by an external waveform.
Carrier wave phase will be output when external input logic is low, and modulation phase will be
output when external input logic is high.
PSK Rate Setting
When modulation source is internal, the moving frequency between carrier wave phase and
modulation phase can be set. After enabling PSK function, PSK rate can be set and the settable range is
5MHz
1μHz
400kHz
1μHz
2MHz
1μHz
59
UTG1000A Series Function Generator User Manual
5MHz
400KHz
1MHz
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