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1) Design a four-bit binary synchronous counter with D flip-flops.

1) Design a four-bit binary synchronous counter with D flip-flops.

Electric Motor Control
Electric Motor Control
10th Edition
ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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Q4) 1) Design a four-bit binary synchronous counter with D flip-flops. 2) Design a four-bit binary ring counter with T flip-flops. 3) Design a four-bit binary Johnson counter with T flip-flops. 4) Design a combinational circuit that compares two 4-bit numbers to check if they are equal. The circuit output is equal to 1 if the two numbers are equal and 0 otherwise 5) Design an excess-3-to-binary decoder using the unused combinations of the code as don't-care conditions 6) Draw the logic diagram of a 2-to-4-line decoder using (a) NOR gates only and (b) NAND gates only. Include an enable input 7) Design a BCD-to-decimal decoder using the unused combinations of the BCD code as don't-care conditions.
Transcribed Image Text:Q4) 1) Design a four-bit binary synchronous counter with D flip-flops. 2) Design a four-bit binary ring counter with T flip-flops. 3) Design a four-bit binary Johnson counter with T flip-flops. 4) Design a combinational circuit that compares two 4-bit numbers to check if they are equal. The circuit output is equal to 1 if the two numbers are equal and 0 otherwise 5) Design an excess-3-to-binary decoder using the unused combinations of the code as don't-care conditions 6) Draw the logic diagram of a 2-to-4-line decoder using (a) NOR gates only and (b) NAND gates only. Include an enable input 7) Design a BCD-to-decimal decoder using the unused combinations of the BCD code as don't-care conditions.
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