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

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

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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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
Transcribed Image Text: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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