me375_fa10_hwk08 - ME 375 HOMEWORK #8 Out: October. 22nd,...

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ME 375 HOMEWORK #8 Fall 2010 Out: October. 22 nd , 2010 Due: October 29 th , 2010 PROBLEM 1 : (30%) For the circuit shown below: (a) Obtain the equation of motion with input v in and output i 2. (b) Use the impedance method to obtain the transfer function with input v in and output i 3. PROBLEM 1 : (40%) To ensure proper representation of varying voltage signals, all analog-to-digital converters feature some type of sample-and-hold circuit. The purpose for this circuit is to store the input voltage on a capacitor during the conversion process to ensure that a stable voltage value is being converted to a digital code. A simplified representation of such a sample-and-hold circuit is shown below: During sampling, the switch is closed, to ensure that the capacitor charges up to the input voltage V i . During conversion, the switch is opened, thus retaining (or holding) the value of the input voltage constant while the digital code is determined from V o . (a)
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This note was uploaded on 12/22/2011 for the course ME 375 taught by Professor Meckle during the Fall '10 term at Purdue University-West Lafayette.

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me375_fa10_hwk08 - ME 375 HOMEWORK #8 Out: October. 22nd,...

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