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Q4. a) b) Figure 7 shows a phase-shift oscillator. Explain briefly how the phase shift required for sustained oscillation is achieved in this circuit. The feedback ratio of the oscillator shown in Figure 7 is given below. Derive the expression for the oscillation frequency of this circuit. c) 5 -1 1 6 — 27 pe) —i (2fe – (27) :) 2fRC - If the oscillator of Figure 7 is required to operate at 2 kHz, determine the value of the remaining resistors if R₁ = 80 kn and C = 12 nF. HH R₂ Figure 7: Phase-shift oscillator

Q4. a) b) Figure 7 shows a phase-shift oscillator. Explain briefly how the phase shift required for sustained oscillation is achieved in this circuit. The feedback ratio of the oscillator shown in Figure 7 is given below. Derive the expression for the oscillation frequency of this circuit. c) 5 -1 1 6 — 27 pe) —i (2fe – (27) :) 2fRC - If the oscillator of Figure 7 is required to operate at 2 kHz, determine the value of the remaining resistors if R₁ = 80 kn and C = 12 nF. HH R₂ Figure 7: Phase-shift oscillator

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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Q4. a) b) Figure 7 shows a phase-shift oscillator. Explain briefly how the phase shift required for sustained oscillation is achieved in this circuit. The feedback ratio of the oscillator shown in Figure 7 is given below. Derive the expression for the oscillation frequency of this circuit. c) 5 -1 1 6 — 27 pe) —i (2fe – (27) :) 2fRC - If the oscillator of Figure 7 is required to operate at 2 kHz, determine the value of the remaining resistors if R₁ = 80 kn and C = 12 nF.
Transcribed Image Text:Q4. a) b) Figure 7 shows a phase-shift oscillator. Explain briefly how the phase shift required for sustained oscillation is achieved in this circuit. The feedback ratio of the oscillator shown in Figure 7 is given below. Derive the expression for the oscillation frequency of this circuit. c) 5 -1 1 6 — 27 pe) —i (2fe – (27) :) 2fRC - If the oscillator of Figure 7 is required to operate at 2 kHz, determine the value of the remaining resistors if R₁ = 80 kn and C = 12 nF.
HH R₂ Figure 7: Phase-shift oscillator
Transcribed Image Text:HH R₂ Figure 7: Phase-shift oscillator
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