Qpsk (Quad-Phase Shift Keying) - UNI-T UTG9504T User Manual

Function/ arbitrary waveform generator
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UTG9000T Series Function Abitrary Waveform Generator
4)
Turn on the output channel
Tap channel Out botton to ON or push CH1 key on the front panel to quick set the output channel,and it can aslo
turn on at the Utility interface,tap Utility→Channel→Output or double-click the channel tab at the bottom of the
screen to step through ON/OFF. CH1 key and CH1 tab backlight light on indicating that the channel 1 output is
turned on.
The shape of the BPSK modulation waveform viewed through an oscilloscope is shown in the figure below,

3.1.10 QPSK (Quad-Phase Shift Keying)

In QPSK modulation mode, the function/arbitrary waveform generator can move between in four preset phase
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