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Unformatted text preview: 1 EE 250 Winter 2010 University of Alberta HOMEWORK 7 (due Mar 1 st , 2010) Instructor : Karthik Shankar 1. A series resonant circuit has a Q of 120 and a resonant frequency of 10,000 rad s-1 . Determine the half-power frequencies and the band-width of the circuit. 2. Find the transfer function G ( j ) for the magnitude characteristic shown in the figure below 3. Find a) the cutoff frequency in Hz for the RL filter circuit shown below. b) Calculate H ( j ) for c , 0.3 c and 3 c c) If v i =50 cos t [V], write the steady state expression for v when = c , =0.3 c and =3 c 4. Design a passive RC low pass filter with a cutoff frequency of 500 Hz using a 50nF capacitor. a) What is the cutoff angular frequency in rad s-1 b) What is the value of the resistor c) Draw your circuit labelling the component values and the output voltage d) What is the transfer function of this filter 5. Design a passive RC high pass filter with a cutoff frequency of 300 Hz using a 100nF capacitor. Design a passive RC high pass filter with a cutoff frequency of 300 Hz using a 100nF capacitor....
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This note was uploaded on 12/20/2010 for the course E E 240 taught by Professor Shankar during the Spring '10 term at University of Alberta.
- Spring '10