# Design a 4-bit Counter

Hello i am trying to design a 4-bit counter that will count like the following sequence :

1,3,6,9,C,D,1,3.......so on.

Can anyone help me?

## Replies

• Kaustubh Katdare
u_know_who
Hello i am trying to design a 4-bit counter that will count like the following sequence :

1,3,6,9,C,D,1,3.......so on.

Can anyone help me?
Hmm, how far have you progressed?
• Sagar07
U can solve it using K-map, find J and K (inputs) for every flip flop....
Refer Digital Circuits by Moris Mano for K-Map Theory. ðŸ˜€
• RRITESH
1,3,6,9,C,D,1,3.......so on.
Hi,

For 4 bit binary ring counter#-Link-Snipped-# is used. But you want odd no. why??
RRITESH
Hi,

For 4 bit binary ring counter#-Link-Snipped-# is used. But you want odd no. why??
There are even number too like 6,C. May be he want some counter that repeats specific digits. ðŸ˜€
• u_know_who
hmm, Karnaugh map .. thats interesting i forgot to use that. Well trying again.

@ bigk, i have designed odd and even counter but can't understand how to implement this sequence.

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