A) and B) A -Q2. a)State 3 characteristics of an ideal op-amp.b) Explain why an open-loop op-amp is not useful as a linear amplifierand draw a typical op-amp circuit configuration that can be used asa linear amplifier.c)Based on non-inverting amplifier, show that the gain of Figure 2(a)is equal to 1. Comment on the main application of this circuit inanalogue electronics.Based on the circuit of Figure 2(b), design an inverting amplifierthat has a gain of-35 with the output offset voltage minimised.Given R, = 20L, determine the values of the resistors, R, and Re.Note that L is the last digit of your student number. For example, ifyour number is C1700123, then R, = 203 kn, or if your number isC1700100, R2 = 200 knd)With the aid of diagrams, explain the difference between a Schmitte)trigger and a basic comparator. Comment on the main advantageof the Schmitt trigger.RyR.(b)(a)Figure 2 Op-amp circuit

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Q2. a) State 3 characteristics of an ideal op-amp. b) Explain why an open-loop op-amp is not useful as a linear amplifier and draw a typical op-amp circuit configuration that can be used as a linear amplifier.

Q2. a) State 3 characteristics of an ideal op-amp. b) Explain why an open-loop op-amp is not useful as a linear amplifier and draw a typical op-amp circuit configuration that can be used as a linear amplifier.

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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Question

A) and B)

A -
Q2. a)
State 3 characteristics of an ideal op-amp.
b) Explain why an open-loop op-amp is not useful as a linear amplifier
and draw a typical op-amp circuit configuration that can be used as
a linear amplifier.
c)
Based on non-inverting amplifier, show that the gain of Figure 2(a)
is equal to 1. Comment on the main application of this circuit in
analogue electronics.
Based on the circuit of Figure 2(b), design an inverting amplifier
that has a gain of-35 with the output offset voltage minimised.
Given R, = 20L, determine the values of the resistors, R, and Re.
Note that L is the last digit of your student number. For example, if
your number is C1700123, then R, = 203 kn, or if your number is
C1700100, R2 = 200 kn
d)
With the aid of diagrams, explain the difference between a Schmitt
e)
trigger and a basic comparator. Comment on the main advantage
of the Schmitt trigger.
Ry
R.
(b)
(a)
Figure 2 Op-amp circuit

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