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desighn a syncchronus counter up-down with jk flipflop which counts the odd number from 1 to 7 in binary

Question

Design a Synchronous Counter Up-Down with JK Flip-Flop

Design a synchronous counter that counts the odd numbers from 1 to 7 in binary using JK flip-flops.

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Solution

Designing a synchronous up-down counter with JK flip-flop that counts the odd numbers from 1 to 7 in binary involves the following steps:

  1. Identify the number of Flip-Flops needed: Since we are counting from 1 to 7, we need 3 flip-flops (2^3 = 8, which covers our range of 0-7).

  2. State Table Creation: Create a state table for the counter. Since we are only interested in odd numbers from 1 to 7, the states will be 001, 011, 101, 111 (representing 1, 3, 5, 7 in binary respectively).

  3. Flip-Flop Transition Table: Create a transition table for the JK flip-flop. This table will help us to know the required inputs (J and K) to transition from the current state to the next state.

  4. Karnaugh Maps and Boolean Expressions: Use Karnaugh maps to simplify the Boolean expressions for each J and K input of the flip-flops.

  5. Circuit Design: Draw the circuit diagram for the counter using the JK flip-flops and the Boolean expressions obtained from the Karnaugh maps. The circuit should include the flip-flops, AND gates, OR gates and NOT gates as required.

  6. Test the Counter: Finally, verify the operation of the counter by simulating it or implementing it on a breadboard or FPGA. The counter should count up and down through the odd numbers from 1 to 7 in binary.

Please note that the exact design will depend on the specific JK flip-flop used and the desired counting sequence.

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