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The 3-phase square wave signal oscillator

2016-08-08 13:08  
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The 3-phase square wave signal oscillator
The 3-phase square wave signal oscillator
In the circuit is a gundam senary counter which is composed of a CD4017, the input clock frequency is 300Hz, VDl~VD9 and R1~R3 compose 3 s-phase input OR gates, they pick out the 3-phase square wave signals whose difference is 120o and the frequency is 50Hz. The 3-phase signal can be got from either A, B or C. The waveform are shown here.