M16_2_M16_Discussion7

# M16_2_M16_Discussion7 - sequence consist of a 1 followed by...

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UCLA Department of Electrical Engineering EEM16 – Fall 2011 Discussion 7 1. Ex. 7.22 A sequential system has a decimal digit as input and a radix-5 digit as output. The output counts modulo-5 the number of times the pattern 358 has occurred in ±²³ ´µ . Give a state description of the system. Hint: Decompose the system into two: a pattern recognizer and a modulo-5 counter. 2. Ex. 8.4 Analyze the pattern recognizer shown in Figure 8.40. Give a state diagram. Assuming that the initial state is 00, determine five input patterns that the system recognizes (produce output 1). 3. Ex. 8.7 Design a canonical sequential network whose output is 1 whenever the input

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Unformatted text preview: sequence consist of a 1 followed by a block of 0’s of even length, followed by two 1’s, followed by a block of 0’s of odd length. 4. Ex. 8.13 A combination lock opens when the string of decimal digits (0, 5, 6, 8) is entered serially as its input. The lock has two binary outputs ± and ² . The correct combination produces ± ³ ´ and an incorrect combination produces ² ³ ´ . The output has value 00 while the string is being entered. Implement this lock as a canonical sequential network. 5. Ex. 8.22 Using a D flip-flop, design networks that correspond to an SR flip-flop, a T flip-flop, and a JK flip-flop...
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## This note was uploaded on 04/02/2012 for the course EE EEM16 taught by Professor Cabriv during the Fall '11 term at UCLA.

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M16_2_M16_Discussion7 - sequence consist of a 1 followed by...

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