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6. Given the relaxation oscillator of Fig. 17.68: a. Find RB1 and RB2 at IE = O A. b. Determine Vp, the voltage necessary to turn on the UJT. c. Determine whether R₁ is within the permissible range of values.

6. Given the relaxation oscillator of Fig. 17.68: a. Find RB1 and RB2 at IE = O A. b. Determine Vp, the voltage necessary to turn on the UJT. c. Determine whether R₁ is within the permissible range of values.

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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+ R₁68kQ VC C C 0.1 μF www.l 20 V R >> 22 kΩ RBB = 10 k2, 1 = 0.55 Vy=1.2 V. ly = 5 mA, Ip = 50 µA (Rg, = 200 £2 during discharge phase) VRO I FIG. 17.68 6. Given the relaxation oscillator of Fig. 17.68: a. Find RB1 and RB2 at lɛ = 0 A. b. Determine V., the voltage necessary to turn on the UJT. c. Determine whether R₁ is within the permissible range of values. d. Determine the frequency of oscillation if R81 = 200 2 during the discharge phase. e. Sketch the waveform of V. for two full cycles. f. Sketch the waveform of V₂ for two full cycles.
Transcribed Image Text:+ R₁68kQ VC C C 0.1 μF www.l 20 V R >> 22 kΩ RBB = 10 k2, 1 = 0.55 Vy=1.2 V. ly = 5 mA, Ip = 50 µA (Rg, = 200 £2 during discharge phase) VRO I FIG. 17.68 6. Given the relaxation oscillator of Fig. 17.68: a. Find RB1 and RB2 at lɛ = 0 A. b. Determine V., the voltage necessary to turn on the UJT. c. Determine whether R₁ is within the permissible range of values. d. Determine the frequency of oscillation if R81 = 200 2 during the discharge phase. e. Sketch the waveform of V. for two full cycles. f. Sketch the waveform of V₂ for two full cycles.
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