HW2_09 - ECE2280 1. Homework #2 Spring 2009 (a) Explain how...

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1 ECE2280 Homework #2 Spring 2009 1. (a) Explain how an amplifier works in your own words. (b) Explain in your own words what R i is. (c) Explain in your own words what R o is. 2. (a) Describe the ideal characteristics for an amplifier (i.e. ideal value for R i , R o , A vo ) (b) Describe the characteristics for a buffer amplifier . (c) Describe Gain-Bandwidth Product in your own words. 3. Use the circuit below: Amp1 is a CA3140 and Amp2 is an LM741. (See attached datasheet information) (a) State each amplifiers frequency response transfer function (V 1 /V in and V o /V 1 ) (b) State the overall transfer function (V o /V in ) 4. Vs is an AC signal. Both amplifiers have the following characteristics: A vo =20, R i =10k Ω, R o =2k Ω, Clipping levels: L= 12V (unloaded) (a) Redraw this 2 stage amplifier using the amplifier model. Make sure to label V S , V 1 , V 3 , and V 0 on the schematic. (b)
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HW2_09 - ECE2280 1. Homework #2 Spring 2009 (a) Explain how...

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