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HW10_sol_all

HW10_sol_all - EECS 314 Fall 2013 HW#10 Problem 1 Students...

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EECS 314 Fall 2013 HW #10 Problem 1 Student’s name ____________________ ___________ Discussion section # _______ (Last, First, write legibly, use ink) © 2013 Alexander Ganago Page 1 of 6 Last printed 12/11/2013 3:04:00 PM File: HW10_sol_all Problem 1 (100 points) Analog-to-digital conversion; Memory for data storage Part 1 (20 points) You need to store the sensor signals in binary form, with digitization error < 1 mV. Determine the minimal number of bits in each binary number, in two cases: Case A: The sensor signal varies between and Your answer: ______10______ ANS> Error of digitization, or LSB in terms of voltage Therefore, N=10 Case B: The sensor signal varies between and Your answer: ______13______ ANS> Error of digitization, or LSB in terms of voltage Therefore, N=13 Show your work to get credit. Use additional pages as needed.

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EECS 314 Fall 2013 HW #10 Problem 1 Student’s name ____________________ ___________ Discussion section # _______ (Last, First, write legibly, use ink) © 2013 Alexander Ganago Page 2 of 6 Last printed 12/11/2013 3:04:00 PM File: HW10_sol_all Part 2 (20 points) In telephone communication, the sampling rate is 8 kSa/s. Assume 8-bit ADC and calculate the total duration of voice messages stored on a 1-GB memory card.
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