218test3sample3

# 218test3sample3 - ESE218 Test 3 Name ID Problem 1 Obtain...

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ESE218 Test 3 Name ________________________________________ ID____________________ Problem 1. Obtain equations for states and output Z for the following circuit. Simplify the algebraic equations. Construct a state diagram and a state table. T Q 1 Q 2 X J K Z CLK

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2 Problem 2. Design a synchronous counter using D-flip-flops. The counter goes though the sequence 0-4-6-7-2-3 and repeat. 1) Assume don’t cares for the unused states. Obtain a state table. Derive and simplify the flip-flop input equations. Draw a circuit diagram. Obtain a state diagram including unused states. Explain operation of the circuit. 2) Modify the circuit to obtain a self-correcting design.
3 Problem 3. Design a 3-bit sequence detector with single input X and output Z that will detect serial input sequence X = 110. The output Z becomes 1 if the correct sequence is detected, i.e., if X = 1101110 then Z = 0010001). Use D-flipflop based serial-input parallel-output shift registers and logic gates. (a)

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218test3sample3 - ESE218 Test 3 Name ID Problem 1 Obtain...

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