# HW4_10 - 1 ECE2280 Homework#4 Spring 2010 1 Analyze the...

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Unformatted text preview: 1 ECE2280 Homework #4 Spring 2010 1. Analyze the circuit shown below to determine the voltages (V D , V G , V S ) at all nodes and the currents through all branches (5 currents). Let V t =1.5V and k n ’(W/L)=2A/V 2 . Neglect the channel length modulation effect (i.e. λ =0). 2. Analyze the circuit shown below to determine the voltages at the drain, V D , at the gate, V G , and at the source, V S . Find the currents through all branches (gate current, I G , drain current I D , and source current I S ). Let V t =1V and k n ’(W/L)=1mA/V 2 . Neglect the channel length modulation effect (i.e. λ =0). + 5V 1k Ω +10V 1 Ω 25k 25k +5 +5 2 10 I 1 I 1 I G I D I S V G V D V S 3. Let V t =2V, k n ’(W/L)=180 μ A/V 2 , I D (a) Draw the small-signal equivalent c (b) Analyze the circuit to find A v =V o / 4. a) Draw the cross section of a mos b) Explain in your own words what direction the current flow c) Explain in your own words mosfet to correspond to each re the channel looks, how the curr...
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HW4_10 - 1 ECE2280 Homework#4 Spring 2010 1 Analyze the...

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