Question

In: Electrical Engineering

Design a 4 bit Counter that displays even numbers when a switch on, and odd when...

Design a 4 bit Counter that displays even numbers when a switch on, and odd when the switch off . 1.by using multisim (explain in details and information of how you do it in multisim) show steps of multisim and which gates numbers you used.

Solutions

Expert Solution

INPUT

CURRENT STATE

NEXT STATE

X

Q3

Q2

Q1

Q0

Q3+

Q2+

Q1+

Q0+

0

0

0

0

0

0

0

0

1

0

0

0

0

1

0

0

1

1

0

0

0

1

0

0

0

1

1

0

0

0

1

1

0

1

0

1

0

0

1

0

0

0

1

0

1

0

0

1

0

1

0

1

1

1

0

0

1

1

0

0

1

1

1

0

0

1

1

1

1

0

0

1

0

1

0

0

0

1

0

0

1

0

1

0

0

1

1

0

1

1

0

1

0

1

0

1

0

1

1

0

1

0

1

1

1

1

0

1

0

1

1

0

0

1

1

0

1

0

1

1

0

1

1

1

1

1

0

1

1

1

0

1

1

1

1

0

1

1

1

1

0

0

0

1

1

0

0

0

0

0

0

1

0

1

0

0

0

1

0

0

1

0

1

0

0

1

0

0

1

0

0

1

0

0

1

1

0

1

0

0

1

0

1

0

0

0

1

1

0

1

0

1

0

1

0

1

1

0

1

0

1

1

0

1

0

0

0

1

0

1

1

1

1

0

0

0

1

1

0

0

0

1

0

1

0

1

1

0

0

1

1

0

1

0

1

1

0

1

0

1

1

0

0

1

1

0

1

1

1

1

0

0

1

1

1

0

0

1

1

1

0

1

1

1

0

1

1

1

1

0

1

1

1

1

0

0

0

0

0

1

1

1

1

1

0

0

0

0

Solving using 5 variable K Map

Q0+ = X’

Q1+ = Q1’Q0 + XQ1’+X’Q1Q0’

Q2+ = Q2Q1’+Q2’Q1Q0+X’Q2Q0’+XQ2’Q1

Q3+ = Q3Q2’+Q3Q1’+X’Q3Q0’+Q3’Q2Q1Q0+XQ3’Q2Q1


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