HW1 A - BIEN 130 Bioinstrumentation HW1 Due at noon on...

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BIEN 130 Bioinstrumentation HW1 Due at noon on April 6, 2009 Bourns A247 Name: _____________________________________ Score: ________/1.5
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1. Analyze the circuit to the right. a. What is ? __________ 1 I b. What is ? __________ 2 I c. What is ? __________ out V
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2. Examine the circuit drawn to the right. a. Determine the transfer function. b. Determine the absolute voltage ratio as a function of input frequency. c. Is this a low pass or high pass filter? d. Calculate the phase difference between the input and output.
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3. The schematic below depicts some of the electronics in a digital scale (strain gauge and Wheatstone bridge). A man (totalweight W=200 lbs) is standing on the scale. a. The transfer function of the strain gauge is Calculate the resistance of the strain gauge the scale. lf 4 = 1000 and R, :50O, what should R" bridge before the man stands on the scale? qiven by
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HW1 A - BIEN 130 Bioinstrumentation HW1 Due at noon on...

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