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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 s1 . Determine the halfpower frequencies and the bandwidth of the circuit. SOLUTION 2. Find the transfer function G ( j ω ) for the magnitude characteristic shown in the figure below 2 3. Find a) the cutoff frequency in Hz for the RL filter circuit shown below. b) Calculate H ( j ω ) for ω c , 0.3 ω c and 3 ω c c) If v i =50 cos ω t [V], write the steady state expression for v when ω = ω c , ω =0.3 ω c and ω =3 ω c 3 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 s1 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 SOLUTION 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
 Shankar
 Frequency

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