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Modulo 10 counter

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crashlcd

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HI guys,, i'm new to this forum..

I want to build a modulo 10 up counter using j-k's. can anyone tell me whether this schematic is correct or not??
 
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ericgibbs

Well-Known Member
Most Helpful Member
HI guys,, i'm new to this forum..

I want to build a modulo 10 up counter using j-k's. can anyone tell me whether this schematic is correct or not??
hi,:)
Look at this edited image, you will see the NAND gate I1 generates a high pulse as the 2nd 4027 Q goes high [thru the invertor].

For a NAND if either input is low the output is high.!

Recheck the Clr logic.

Also dont forget to connect the 4027 PRESET pins to 0V.
 

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