Tuesday, May 24, 2011

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3-Phase Pulse Generator Using CMOS Inverters And Shift Register

This is a circuit of a 3-phase pulse generator. This circuit produce 3 phase overlapped output similar with 3 phase  AC powerline, you can say this circuit produce the DC pulse version. This circuit Requires only CMOS 4-bit shift register and two CMOS inverters  as the circuit’s  main components. The shift register is configured as divide-by-6 Johnson counter, providing glitch-free outputs. Square-wave clock signal should be provided by external source to drive this circuit, and this clock source should have frequency 6 times of desired output frequency. 
3-Phase Pulse Generator Circuit

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