APFG forming SPWM
2016-08-23
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First, DDS module is a commonly used method to realize analog signal in digital way. In the past, only frequency control was used. This time, phase control was also used through in-depth understanding. From this point of view, FPGA can be used to realize multi-channel SPWM wave with controllable frequency and phase, and then RC filter circuit and operational amplifier circuit can be added to realize controllable Sine wave.
vhdl
形成
SPWM
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