Closed-loop three-phase multivibrator

Posted on Mar 28, 2007

As shown, this is a closed loop made up of three identical composition of the Schmitt trigger, end to end. Each flip-flop delay is td l. 1 (RP + R) C, i.e., the voltage on C td

Closed-loop three-phase multivibrator
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delay rise time required for the 1/3 VDD. The 555 is reset, the charge on C by R, W output end of the previous stage IC (3 feet) of sink current discharge, and thus the charging time constant C of the same. Thus, each output of the flip-flop every time you want to change through three monostable trigger circuit transmission, the time required is 3td. Therefore, each IC output period Td 6td. The corresponding frequency

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