HW1_10 - described in class) and then use Matlab to obtain...

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1 ECE2280 Homework #1 Spring 2010 1. Given V g =10mV, find V o . Find the Thevenin equivalent between terminals a-b. (Note: v 1 Vg) 2. Sketch the following waveforms. Identify the dc component of the waveform and the ac component of the waveform. a. Vs=5cos( 20 t) V b. Vs=7V +7cos(2 π t) V c. Vs=8V ± 1V 3. Explain in your own words the procedural steps for plotting Bode Plots. (Note: I would prepare this question for use during an exam) Use the following equation for problem 4 and 5: ) 50 )( 10 ( ) 5 . ( 2000 ) ( + + + = s s s s s H 4. (a) Plug in values of ω from 0.1 to 10 5 rad/sec to obtain the magnitude and phase plots. (b) Sketch the Bode plots using a straight-line approximation (procedures described in class) 5. Using the equation from problem 4 above. (a) Use Matlab to obtain the Bode Plots. (b) Compare the 4(a), 4(b) and 5(a). What differences do you see? 6. Sketch the Bode plots for the equation below using a straight-line approximation (procedures
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Unformatted text preview: described in class) and then use Matlab to obtain the Bode Plot. Compare the two. ( ) ( )( ) k s k s s s s H 1 100 10 000 , 20 ) ( 2 + + + = + _ 10 g V 20 5v 1 2 i + _ o V a b 1 i 3i 2 40 + v 1 - 3 40 20 5 20 _ + 2 7. Use PSPICE to draw the circuit below. Derive the transfer function ) ( 1 ) ( ) ( s V s Vo s H = 8. Use PSPICE to obtain the Bode Plots for the circuit below 9. Sketch the straight-line approximation over the bode plot of problem 7 and 8. 10. Analyze the following circuit to find the transfer function Vo/V1. Solve the circuit symbolically first (with R 1 , R 2 , and C 1 ) and then plug in their values. Create a rough sketch of the transfer function using a straight-line approximation procedure. C1 125m V V1 FREQ = 1 VAMPL = 1 VOFF = 0 R1 40 R2 10 V1 AC = 1 TRAN = 0 DC = 1 R2 10k R1 1k C1 1n 20 + Vo - + Vo -...
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This note was uploaded on 01/24/2011 for the course ECE 2280 taught by Professor Kal during the Spring '10 term at Utah State University.

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HW1_10 - described in class) and then use Matlab to obtain...

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