lab3 - University of California, San Diego Department of...

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Unformatted text preview: University of California, San Diego Department of Electrical and Computer Engineering ECE65, Fall 2009 Lab 3: Voltage Doubler, Zener Didoes Experiment 1: Voltage Doubler Consider the circuit below with 1N4148 general purpose diodes, 10 F capacitors and R = 1 k. C 1 C 2 2 D 1 D V o V i A R + +-- Lab Exercise: Assemble the circuit. Set the function generator to produce a sinusoidal wave with an amplitude of 5 V, zero DC offset, and a frequency of 2 kHz. Attach the function generator to v i . 1) Print out v A and v i (NOTE: see Lab 2 on how to print input and output traces to- gether). 2) Print out v o and v i . 3) Explain how the circuit works from your printouts. 4) With scope channel 2 at v o , change the DC offset of the input signal from- 5 to +5 V. Explain changes in v o . Experiment 2: Zener diode i- v Characteristics This simulation shows how to measure i- v characteristics of a diode. The circuit is made of an 1N5232B Zener diode and R = 1 k....
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This note was uploaded on 04/15/2010 for the course ECE ECE65 taught by Professor Najmabadi during the Fall '09 term at UCSD.

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lab3 - University of California, San Diego Department of...

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