(d) the feedback chat must be capac Calculate the oscillator frequency. Determine the necessary value of R₂ in Figure 16-57 so that the circuit will oscillate. Neglec the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 whe the zener diodes are conducting.) Explain the purpose of R3 in Figure 16-57. R₁ 100 ΚΩ R₂ R₂ 1.0 ΚΩ D₁ 6.8 V D₂ + 6.8 V R3 www 47 ΚΩ C₁ R4 ww 1.0 k 0.015 μF C₂ 0.015 µF V our

(d) the feedback chat must be capac Calculate the oscillator frequency. Determine the necessary value of R₂ in Figure 16-57 so that the circuit will oscillate. Neglec the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 whe the zener diodes are conducting.) Explain the purpose of R3 in Figure 16-57. R₁ 100 ΚΩ R₂ R₂ 1.0 ΚΩ D₁ 6.8 V D₂ + 6.8 V R3 www 47 ΚΩ C₁ R4 ww 1.0 k 0.015 μF C₂ 0.015 µF V our

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 4RQ: What is the difference between a diode and rectifier?

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