Problem 3 The circuit below is a non-inverting amplifier with an OP-AMP and two resistors. VI + www 91ΚΩ 9ΚΩ (a) Find the non-inverting amplifier voltage gain (G) when the OP-AMP gain (A) is 100V/V, the OP-AMP input resistance (fi) is ∞, and the OP-AMP output resistance (ro) is 0. Hint: No approximation needed. (b) Find the non-inverting amplifier input resistance (Ri) when the OP-AMP gain (A) is 1000V/V, the OP-AMP input resistance (fi) is 20k and the OP-AMP output resistance (ro) is 80k Hint: Assume A is large enough. (c) Find the non-inverting amplifier output resistance (Ro) when the OP-AMP gain (A) is 1000V/V, the OP-AMP input resistance (ri) is 20k and the OP-AMP output resistance (ro) is 80k. Hint: Assume A is large enough.
Problem 3 The circuit below is a non-inverting amplifier with an OP-AMP and two resistors. VI + www 91ΚΩ 9ΚΩ (a) Find the non-inverting amplifier voltage gain (G) when the OP-AMP gain (A) is 100V/V, the OP-AMP input resistance (fi) is ∞, and the OP-AMP output resistance (ro) is 0. Hint: No approximation needed. (b) Find the non-inverting amplifier input resistance (Ri) when the OP-AMP gain (A) is 1000V/V, the OP-AMP input resistance (fi) is 20k and the OP-AMP output resistance (ro) is 80k Hint: Assume A is large enough. (c) Find the non-inverting amplifier output resistance (Ro) when the OP-AMP gain (A) is 1000V/V, the OP-AMP input resistance (ri) is 20k and the OP-AMP output resistance (ro) is 80k. Hint: Assume A is large enough.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:Problem 3
The circuit below is a non-inverting amplifier with an OP-AMP and two resistors.
VI
+
www
91ΚΩ
9ΚΩ
(a) Find the non-inverting amplifier voltage gain (G) when the OP-AMP gain (A) is 100V/V, the OP-AMP input
resistance (fi) is ∞, and the OP-AMP output resistance (ro) is 0. Hint: No approximation needed.
(b) Find the non-inverting amplifier input resistance (Ri) when the OP-AMP gain (A) is 1000V/V, the OP-AMP input
resistance (fi) is 20k and the OP-AMP output resistance (ro) is 80k Hint: Assume A is large enough.
(c) Find the non-inverting amplifier output resistance (Ro) when the OP-AMP gain (A) is 1000V/V, the OP-AMP
input resistance (ri) is 20k and the OP-AMP output resistance (ro) is 80k. Hint: Assume A is large enough.
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