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1) a) The open-loop gain of an amplifier is A = 5 x 104. If the open-loop gain decreases by 10%, the closed-loop gain must not change by more than 0.1 %. Determine the required value of the feedback transfer function and the closed-loop gain Af. b) Consider an ideal series-shunt feedback amplifier. Let A₂ = 5 × 10³ V/V, B = 0.0080 V/V, R₁ = 10 kn, and R₁ = 1 km. Determine the ideal values of Auf = Vo/Vi, Rif, & Rof.

1) a) The open-loop gain of an amplifier is A = 5 x 104. If the open-loop gain decreases by 10%, the closed-loop gain must not change by more than 0.1 %. Determine the required value of the feedback transfer function and the closed-loop gain Af. b) Consider an ideal series-shunt feedback amplifier. Let A₂ = 5 × 10³ V/V, B = 0.0080 V/V, R₁ = 10 kn, and R₁ = 1 km. Determine the ideal values of Auf = Vo/Vi, Rif, & Rof.

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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1) a) The open-loop gain of an amplifier is A = 5 x 104. If the open-loop gain decreases by 10%, the closed-loop gain must not change by more than 0.1 %. Determine the required value of the feedback transfer function ẞ and the closed-loop gain Af. b) Consider an ideal series-shunt feedback amplifier. Let A₂ = 5 × 10³ V/V, B = 0.0080 V/V, R₁ = 10 kn, and R, = 1 km. Determine the ideal values of Avf = Vo/Vi, Rif, & Rof.
Transcribed Image Text:1) a) The open-loop gain of an amplifier is A = 5 x 104. If the open-loop gain decreases by 10%, the closed-loop gain must not change by more than 0.1 %. Determine the required value of the feedback transfer function ẞ and the closed-loop gain Af. b) Consider an ideal series-shunt feedback amplifier. Let A₂ = 5 × 10³ V/V, B = 0.0080 V/V, R₁ = 10 kn, and R, = 1 km. Determine the ideal values of Avf = Vo/Vi, Rif, & Rof.
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