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7. Determine the necessary value of R2 in Figure 16-57 so that the circuit will oscillate. Neglect the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 when the zener diodes are conducting.) 8. Explain the purpose of R3 in Figure 16–57. Di D2 6.8 V 6.8 V R3 47 kN R1 100 kfN : o Vout R2 R4 0.015 µF 1.0 kN R5 1.0 kN 0.015 μF

7. Determine the necessary value of R2 in Figure 16-57 so that the circuit will oscillate. Neglect the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 when the zener diodes are conducting.) 8. Explain the purpose of R3 in Figure 16–57. Di D2 6.8 V 6.8 V R3 47 kN R1 100 kfN : o Vout R2 R4 0.015 µF 1.0 kN R5 1.0 kN 0.015 μF

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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7. Determine the necessary value of R2 in Figure 16–57 so that the circuit will oscillate. Neglect the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 when the zener diodes are conducting.) 8. Explain the purpose of R3 in Figure 16–57. D D2 6.8 V 6.8 V R3 47 kN R1 100 k2 o Vout R2 R4 1.0 kN 0.015 µF C2 0.015 µF R5 1.0 kN
Transcribed Image Text:7. Determine the necessary value of R2 in Figure 16–57 so that the circuit will oscillate. Neglect the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 when the zener diodes are conducting.) 8. Explain the purpose of R3 in Figure 16–57. D D2 6.8 V 6.8 V R3 47 kN R1 100 k2 o Vout R2 R4 1.0 kN 0.015 µF C2 0.015 µF R5 1.0 kN
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