1. Determine the necessary value of R2 in Figure 4 so that the circuit will oscillate. Neglect th forward resistance of the Zener diodes. (Hint: The total gain of the circuit must be 3 when the Zener diodes are conducting.) 2. Explain the purpose of R3 in Figure 4. R₁ 100 ΚΩ W www Rs 1.0 kn www D₁ 6.8 V 6.8 V R3 www 47 ΚΩ C₁ 0.015 μF C₂ 0.015 µF R₁ www 1.0 kn
1. Determine the necessary value of R2 in Figure 4 so that the circuit will oscillate. Neglect th forward resistance of the Zener diodes. (Hint: The total gain of the circuit must be 3 when the Zener diodes are conducting.) 2. Explain the purpose of R3 in Figure 4. R₁ 100 ΚΩ W www Rs 1.0 kn www D₁ 6.8 V 6.8 V R3 www 47 ΚΩ C₁ 0.015 μF C₂ 0.015 µF R₁ www 1.0 kn
Chapter59: Motor Startup And Troubleshooting Basics
Section: Chapter Questions
Problem 12SQ: How is a solid-state diode tested? Explain.
Related questions
Question
100%
![aph
R₁
100 ΚΩ
R₂
www
R₁
1.0 kn
body
1. Determine the necessary value of R2 in Figure 4 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.)
2. Explain the purpose of R₁ in Figure 4.
www.
body bold
6.8 V 6.8 V
R3
47 ΚΩ
R₁
www
1.0 kn
0.015 μF
Normal
0.015 µF
No Spacing
Styles
He](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8d0965ec-e02e-4363-aba0-fca3ccf5b9fe%2F753d46f3-b5e8-41bc-a91e-2e7ad05ba54d%2Fnjng6f3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:aph
R₁
100 ΚΩ
R₂
www
R₁
1.0 kn
body
1. Determine the necessary value of R2 in Figure 4 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.)
2. Explain the purpose of R₁ in Figure 4.
www.
body bold
6.8 V 6.8 V
R3
47 ΚΩ
R₁
www
1.0 kn
0.015 μF
Normal
0.015 µF
No Spacing
Styles
He
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