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Unformatted text preview: v t = 1V and k = 1mA / V 2 . Which region is the transistor operating in? Find R . Put your fnal answers in the box below. 5V 8mA 2kΩ R Solution: The transistor is in saturation, since v ds = 5 ≥ v gs-v t = v gs-1. Thus i d = k 2 ( v gs-v t ) 2 . Substituting, we obtain 8mA = 1mA 2 ( v gs-1) 2 , which gives v gs = 5V, and there±ore R = ∞ ....
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- Fall '08
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