Q1.A temperature sensor produces an output voltage of 5mV/°C. It isrequired that this voltage is increased in order to be applied to theanalogue input of a microcontroller that has a reference voltage of 3.3V.a) Design a suitable amplification stage in order to use the maximumrange of the microcontrollers analogue input given that themaximum temperature to be measured is 50°C.b) Explain what is meant by the terms: input offset voltage and slewrate with reference to opamps.c) The figure below presents the frequency response of an opamp.Determine the gain-bandwidth-product of the opamp and explainits significance to the performance of the device.110Vcc+ = 15 VVcc-=-15 VVo =10 VRL = 2 kaTA = 25°C10090807060Gain dB5040302010-10101001k10k100k1M10MFrequency Hz

(a) It is given that: S=5 mV/°CReference Voltage=Vref=3.3 V The maximum range of the…

Answered: b) Explain what is meant by the terms:…

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Electrical Engineering

b) Explain what is meant by the terms: input offset voltage and slew rate with reference to opamps.

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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Concept explainers

Winding and Constructions

Alternating Current (AC) winding is generally of the 3-phase type due to the inherent advantages of the 3-phase machine. Armature coils must be connected to the yield balance (equivalent in magnitude and 2/3 of the series phase difference of the rod) 3-phase electromotive forces (emf). The armature should be divided into step-bands to start with slots around the perimeter.In the construction of AC machines, the frame is used as an external protective shield to protect it from environmental conditions. The frame also serves as the outer perimeter, allowing the interior to be easily placed. The static state section of the devices is the stator winding attached stator.

Question

Q1.
A temperature sensor produces an output voltage of 5mV/°C. It is
required that this voltage is increased in order to be applied to the
analogue input of a microcontroller that has a reference voltage of 3.3V.
a) Design a suitable amplification stage in order to use the maximum
range of the microcontrollers analogue input given that the
maximum temperature to be measured is 50°C.
b) Explain what is meant by the terms: input offset voltage and slew
rate with reference to opamps.
c) The figure below presents the frequency response of an opamp.
Determine the gain-bandwidth-product of the opamp and explain
its significance to the performance of the device.
110
Vcc+ = 15 V
Vcc-=-15 V
Vo =10 V
RL = 2 ka
TA = 25°C
100
90
80
70
60
Gain dB
50
40
30
20
10
-10
10
100
1k
10k
100k
1M
10M
Frequency Hz

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