UNI-T UTG9504T User Manual page 91

UTG9000T Series Function Abitrary Waveform Generator
1) Internal source
When the modulation source is internal, the modulation waveform can be sine, square, rising ramp, falling ramp
arbitrary and noise wave. The default wave is sine wave. When turn on DSB-AM modulation, ModWave present
Sine, rotate multifunction knob or tap word Sine to select the waveform in modulation setting interface.
 Square wave: duty ratio 50%
 Rising ramp wave: symmetry 100%
 Falling ramp wave: symmetry 0%
Arbitrary wave: the length of arbitrary wave limit at 2kpts by the method of select point

 Noise wave: white gaussian noise
External source
2)
When the modulation source is external, the modulation wave and frequence will be hidden in parameter list. Use
the external waveform to modulating the carrier wave. The DSB-AM depth is controlled by the ±5V signal level on
the external analog modulation input terminal (Modulation In connector) on the back panel. For example, if set the
modulation depth to 100%, the output of DSB-AM amplitude is maximum when the external modulation signal is +5V;
the output of DSB-AM amplitude is minimum when the external modulation signal is -5V.
Modulation waveform frequency settings
When the modulation source is internal, it can set the modulation waveform frequency, and the frequency range is
between 1μHz~2MHz, the default range is 100Hz. Rotate multifunction knob, push direction key or tap ModFreq tab
to pop-out visual numeric keyboard to enter values and select unit in modulation setting interface. When the
modulation source is external, the modulation wave and frequence will be hidden in parameter list. Use the external
waveform to modulating the modulation wave. The intput external modulating signal frequency range is between
0Hz~50kHz.
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