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F07%20314%20HW03%20solutions%20all

# F07%20314%20HW03%20solutions%20all - EECS 314 Fall 2007 HW...

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EECS 314 Fall 2007 HW 03 Solutions Problem 1

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Part 2 In this problem, the ± oltage signals Vs1 linearly depend on the temperature from sensor and equal Vs1, 0F = 4.0V and Vs1, 100F = 3.2V We need to obtain the output voltage equal to Vout, 0F = 0.0V and Vout, 100F = 10.0V with Rf = 100 ²³ ´µ¶ ·¸¹ º » ¹ ·¼ From the information above, we may set up two linear equations to solve two unknown K1 and K2: Vout, 0F = Vs1, 0F ½ ¾¿ À Vs2 ½ ¾¹ Vout, 100F = Vs1, 100F ½ ¾¿ À Vs2 ½ ¾¹ 0 = 4.0K 1 -2K 2 10 = 3.2K 1 -2K 2 K1 = - 25 / 2 and K2 = - 25 R1 = - Rf / K1 = 100k ³Á¹Â¹Ã º Ä ²³ R2 = - Rf / K2 = 100k ³Â¹Ã º Å ²³ Vout, 50F = Vs1, 50F ½ ¾¿ À Vs2 ½ ¾¹ º Æ¼ÇÁÈ » ¹ÃÂ¹É À È»¹ÉÁÈ»¹ÃÉ º Ã · EECS 314 Fall 2007 HW 03 Solutions Problem 1