The Texas Instruments LM135 Temperature Sensor has a thermal coefficient of 10 mV/°C. You want to use the sensor in a digital data acquisition system to measure a temperature range of -20 °C to +120 °C and need to convert the analogue output to a digital signal. a) In order to achieve a resolution of 0.1 °C and assuming that the reference voltage is 0-10 V, how many bits must the ADC have? b) Using your answer to part (a), what will the actual resolution of the system be? c) A Sample-and-Hold device is required before a signal is passed into an ADC. Explain why a Sample-and- Hold is required and using Figure Q3, describe how it functions.

The Texas Instruments LM135 Temperature Sensor has a thermal coefficient of 10 mV/°C. You want to use the sensor in a digital data acquisition system to measure a temperature range of -20 °C to +120 °C and need to convert the analogue output to a digital signal. a) In order to achieve a resolution of 0.1 °C and assuming that the reference voltage is 0-10 V, how many bits must the ADC have? b) Using your answer to part (a), what will the actual resolution of the system be? c) A Sample-and-Hold device is required before a signal is passed into an ADC. Explain why a Sample-and- Hold is required and using Figure Q3, describe how it functions.

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...

See similar textbooks

Similar questions

Please assist with question 3, details on how to do. Thank you. Check image for Q3 3. Figure shows a PCM signal in which the amplitude levels of volt and volt are used to represent binary symbols 1 and 0, respectively. The code word used consists of three bits. Find the sampled version of an analog signal from which this PCM signal is derived.
An 8-Bit ADC is used to convert an audio signal ranging over 0 – 12 V. What is the RMS quantization noise associated with full-scale operation of this ADC?
Course: Data Networks - ECTE201 Write three types of analog-to-analog modulation and illustrate one of the modulations. Kindly provide a brief anwer for this question
Q1.A) If an 8-bit SAR ADC is used to digitize 8V full scale signal, what will be the digital o/p for an analog i/p of 5.76 V (perform complete analysis)?
A 10-bit 5-V ADC operates with a sampling frequency of 1 MHz. If a linear histogram test is to be conducted on this ADC with a ramp signal of 15-ms duration, estimate the voltage resolution of this test.
The Type K thermocouple has a sensitivity of about 41 micro-Volts/℃, i.e. for each degree difference in the junction temperature, the output changes by 41 micro-Volts. Among 8-bit, 12-bit, 16-bit, 32-bit and 64-bit ADC, which is the most appropriate for measuring human body temperature to 4th decimal place (appropriate = accurate yet cost-effective), if the ADC range is 10 V?
A temperature between 51°C and 264 °C is converted into a 0- to 5.0- V signal. This signal is fed to an 8-bit ADC with a 5.0-V reference. What is the actual measurement range of the system? a. What is the resolution? b. What is the maximum quantization error? c. What hex output results from 169 °C? d. What temperature does a hex output of C5H represent?
Design an interfacing circuit for ADC 0804 and 8051 microcontrollerwith self-clocking. Also explain the functions of INTR and WR pins ofADC 0804.
a) Describe the main sources of errors in a measurement process and state how they may be avoided or reduced. b) List two sources of coherent interference and describe how each may be minimized or eliminated. c) An 8-Bit ADC is used to convert an audio signal ranging over 0 – 12 V. What is the RMS quantization noise associated with full-scale operation of this ADC?
) For a certain 4-bit successive-approximation ADC, show the step-by-step conversion of a constant analog input voltage (7 V).
1. How many resistors and switches would be required to implement a 6-bitresistor-string DAC? ResourcesStudents 2. Find output voltage and current for a binary-weighted resistor DAC of 4 bitswith given condition of R= 1kn, R = 5kN, VR = -12v and applied binaryword is 1101. 3. Find the voltage for an R-2R DAC of 4 bits with given condition of R = 6kNR, = 2kn, VR = 16v and applied binary word is 1011.
Requires if possible 1.Detailed circuit diagram of 8 bit DAC& Process explanations 2.Calculation for binary inputs 3.Calculation of LSB,MSB and full scale