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A relaxation ascillator using a UJT is to be designed for triggering an SCR. The UJT has following data: 1 = 0.6 mA, V = 18 V, V, 1 V, Rbb = 5 kn, n = 0.72, C = 0.04 μF, firing frequency is 2 kHz, normal leakage current with emitter open is 4.2 mA. Compute the values of R, R₁ and R₂.

A relaxation ascillator using a UJT is to be designed for triggering an SCR. The UJT has following data: 1 = 0.6 mA, V = 18 V, V, 1 V, Rbb = 5 kn, n = 0.72, C = 0.04 μF, firing frequency is 2 kHz, normal leakage current with emitter open is 4.2 mA. Compute the values of R, R₁ and R₂.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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A relaxation oscillator using a UJT is to be designed for triggering an SCR. The UJT has following data: Ip = 0.6 mA, V₂ = 18 V, V, = 1 V, Rbb = 5 km, n = 0.72, C = 0.04 μF, firing frequency is 2 kHz, normal leakage current with emitter open is 4.2 mA. Compute the values of R, R₁ and R₂.
Transcribed Image Text:A relaxation oscillator using a UJT is to be designed for triggering an SCR. The UJT has following data: Ip = 0.6 mA, V₂ = 18 V, V, = 1 V, Rbb = 5 km, n = 0.72, C = 0.04 μF, firing frequency is 2 kHz, normal leakage current with emitter open is 4.2 mA. Compute the values of R, R₁ and R₂.
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