440_hmk1 - ECE 440 - Electronics II Homework #1 1. Find Av,...

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ECE 440 - Electronics II Homework #1 1. Find A v , Z i , and Z o for the circuit shown below. Assume K n = 0.5 mA/V 2 ,V TN = 1V and λ = 0. 8V 1 K ! 20 K ! + V o - Z o 10 K ! + V s - 10K ! 200 K ! 100 K ! Z i 2. Find A v , Z i , and Z o for the circuit shown below. Assume g m = 1 mA/V and λ = 0. V 300K 200K 2K 3K DD 3K 10K + V - i + V - o Z i o Z
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3. For the common drain amplifier shown below, find Z i , Z o and A v . Assume g m = 5 mA/V and λ = 0. 2 K ! 4 K ! + v o - Z o 5 K ! + v s - 10K ! 100 K ! Z i V DD 4. For the common gate amplifier shown below, find Z i , Z o and A v . V i 10K ! 5K ! 4K ! -5v 5v Z i Z o + V - o V = 1 V T K = 3mA/V n 2 " = 0 5. For the multistage amplifier shown below, find Z i , Z o , and A v . Assume that g m = 1.5mA/V and λ = 0 for both MOSFETs. + V i - 1.8 K ! 15 K ! 1M ! V DD 2.5 K ! 10 K ! + V o - Z o Z i
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6. For the amplifier shown below, find Z i , Z o and A v . + V
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440_hmk1 - ECE 440 - Electronics II Homework #1 1. Find Av,...

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