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Unformatted text preview: 3. Diode Circuit: QPoint Analysis (20 points) Find the Qpoints 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. (a) (b) 4. Diode Circuit: Zener Diode (20 points) Find the Qpoint for the Zener diode. ECE 3040C: Homework #4, Solutions October 10, 2011 Page 4 of 4 5. HalfWave 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 halfwave 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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 Fall '07
 HAMBLEN

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