3-1. A certain op-amp has the following de and very low-frequency parameters: dc open-loop gain 80,000 differential input resistance 0.4 ΜΩ output resistance 50 Ω = = a) B = type your answer... b) Loop Gain type your answer... c) Ac type your answer... d) Rin type your answer... e) Rout= type your answer... f) Acl = type your answer... = = It is used in a noninverting amplifier circuit with R; 3 k2 and R = 47 k. At de and low frequencies, calculate the values of the a. feedback factor, b. loop gain, c. exact closed-loop gain, d. closed-loop input impedance, and e. closed-loop output impedance. f. Use the result of (3-8) to determine the approximate gain and compare with the result of (c).

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3-1. A certain op-amp has the following de and very low-frequency parameters:
dc open-loop gain 80,000
differential input resistance 0.4 ΜΩ
output resistance
50 Ω
It is used in a noninverting amplifier circuit with R; = 3 kN and Rƒ = 47 k. At de and low
frequencies, calculate the values of the a. feedback factor, b. loop gain, c. exact closed-loop
a) B type your answer...
b) Loop Gain = type your answer...
c) Ac =
type your answer...
d) Rin=
type your answer...
type your answer...
=
gain, d. closed-loop input impedance, and e. closed-loop output impedance. f. Use the result
of (3-8) to determine the approximate gain and compare with the result of (c).
e) Rout=
f) Acl =
-
type your answer...
Transcribed Image Text:3-1. A certain op-amp has the following de and very low-frequency parameters: dc open-loop gain 80,000 differential input resistance 0.4 ΜΩ output resistance 50 Ω It is used in a noninverting amplifier circuit with R; = 3 kN and Rƒ = 47 k. At de and low frequencies, calculate the values of the a. feedback factor, b. loop gain, c. exact closed-loop a) B type your answer... b) Loop Gain = type your answer... c) Ac = type your answer... d) Rin= type your answer... type your answer... = gain, d. closed-loop input impedance, and e. closed-loop output impedance. f. Use the result of (3-8) to determine the approximate gain and compare with the result of (c). e) Rout= f) Acl = - type your answer...
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