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QUESTIONS: 1. What could happen if the Zener diode would be changed to a Zener which has a higher breakdown voltage? 2. What is the breakdown voltage of zener diodes? 3. Explain the differences between the zener diodes and normal diodes?

QUESTIONS: 1. What could happen if the Zener diode would be changed to a Zener which has a higher breakdown voltage? 2. What is the breakdown voltage of zener diodes? 3. Explain the differences between the zener diodes and normal diodes?

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
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EXPERIMENT 4 ZENER DIODES EQUIPMENT REUQIRED: Power supply unit 1 Multimeter 1500 resistor, 2700 resistor Zener diode EXPERIMENTAL PROCEDURE: 1. ZENER DIODE CHARACTERISTICS a) Record the measured value of resistance R. Construct the circuit of Fig.3.3. Initially set DC supply to 0 V. Set the DC supply Vs to the values on Table 3.3 and measure both Vz andVR. Calculate the Zener current lz. R=1500 A Zener Diode Vs Figure.4.1 Table 4.1 10 Vs (V) Vz (V) VR (V) Iz (mA) 1 2 3 4 5 6 7 8 9 b) Plot the curve Iz vs. Vzin the Zener diode region. 2. PARALLEL ZENER DIODES a) Set up the circuit in Figure 3.2. b) Set the sinusoidal supply to 1V, 50HZ. c) Switch on the oscilloscope and the sinusoidal supply. d) Observe the clipped wave of Vo, try to understand the logic behind the result. e) Set the sinusoidal supply to 5V, 50HZ, and repeat the step a to d.
Transcribed Image Text:EXPERIMENT 4 ZENER DIODES EQUIPMENT REUQIRED: Power supply unit 1 Multimeter 1500 resistor, 2700 resistor Zener diode EXPERIMENTAL PROCEDURE: 1. ZENER DIODE CHARACTERISTICS a) Record the measured value of resistance R. Construct the circuit of Fig.3.3. Initially set DC supply to 0 V. Set the DC supply Vs to the values on Table 3.3 and measure both Vz andVR. Calculate the Zener current lz. R=1500 A Zener Diode Vs Figure.4.1 Table 4.1 10 Vs (V) Vz (V) VR (V) Iz (mA) 1 2 3 4 5 6 7 8 9 b) Plot the curve Iz vs. Vzin the Zener diode region. 2. PARALLEL ZENER DIODES a) Set up the circuit in Figure 3.2. b) Set the sinusoidal supply to 1V, 50HZ. c) Switch on the oscilloscope and the sinusoidal supply. d) Observe the clipped wave of Vo, try to understand the logic behind the result. e) Set the sinusoidal supply to 5V, 50HZ, and repeat the step a to d.
Vo 150K Figure.4.2 QUESTIONS: 1. What could happen if the Zener diode would be changed to a Zener which has a higher breakdown voltage? 2. What is the breakdown voltage of zener diodes? 3. Explain the differences between the zener diodes and normal diodes?
Transcribed Image Text:Vo 150K Figure.4.2 QUESTIONS: 1. What could happen if the Zener diode would be changed to a Zener which has a higher breakdown voltage? 2. What is the breakdown voltage of zener diodes? 3. Explain the differences between the zener diodes and normal diodes?
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