What is meant by ring counter and johnson counter?
Recently I came across this term in my book and I've no idea of what it really is. Please provide clarity.!
Replies
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rahul69From what I can recollect, I read about this while reading about shift registers.
Ring Counter :In this the bit is moved sequentially through the registers . For example for a three bit counter it counts like: 001,010,100 etc.
In case of Johnson counter, it is a ring counter in which the previous input is retained as well as shifted and the counting goes like 001,011,111 etc.
I am not sure about the concepts👎. Hope for some better explanation by fellow CE-an😒 -
Jeffrey ArulrajRing counter counts n number of states
whereas the johnson counter counts 2n states 000 001 011 111 110 100 000 are states of 3 flip flops Johnson counter -
Priyambada ojhaA ring counter is one in which the o/p of last flip-flop is fed back to the first flip-flop whereas in johnson counter the scenario is otherwise......
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