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Unformatted text preview: Find the Q-points for the diodes in the circuit using (a) the ideal diode model and (b) the constant voltage drop model with V on = 0.75 V. 4. Diode Circuit: Zener Diode (20 points) Find the Q-point for the Zener diode. ECE 3040B: Homework #4 Due Date: October 10, 2011 Page 2 of 2 5. Half-Wave Rectifier (25 points ) A 3.3V, 30 A dc power supply is to be designed with a ripple of less than 2.5%. Assume that a half-wave rectifier circuit (60 Hz) with a capacitor filter is used. (a) What is the size of the filter capacitor C? (b) What is the PIV rating for the diode? (c) What is the rms value of the transformer voltage needed for the rectifier? (d) What is the value of the peak repetitive diode current in the diode? (e) What is the surge current at t = 0+?...
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This note was uploaded on 10/12/2011 for the course ECE 3040 taught by Professor Hamblen during the Fall '07 term at Georgia Tech.
- Fall '07