analog to digital converter questions and answers pdf

There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. ADC. 3) Telegraph signals are examples of. Q.1. 50. ADC0804 is a very commonly used 8-bit analog to digital converter. ANSWER: (b) Digital to analog conversion. �)�Ji��)�z�Ke/�"��P��c�ex �S��S��1N�J->�2e�ß�2�L��2�MOP�*$�_V��bfT�C��a�r�lh��Ti�(�no�>-�&8�,�Ͽ�Qm�N=.6P~�UEq��(v=&�y�+�]�ָ! This quiz section consists of total 10 questions. Define − Noise (May/June 2007) Noise is defined as any unwanted form of energy, which tends to interfere with proper reception and reproduction of wanted signal. 22. CLICK HERE TO DOWNLOAD PDF BSNL TTA(JE) AND JTO 2016 NEW UPDATE-Allot 280 DR JEs and 270 DR … {n�;|��P�ǣ�צ�u�B�[r��N��s�J��$#�Q�Z�%mWՙ��}f�掴��V��@}�ʁ��֡��\ .�A��I=W=��̓�*~�B��젌��$�kg.LD��6),��Gi�v��Z�Da��^E��~��AD��/t�o��;&c��`��'S&iGgF��,P^��B}�" "�+9�C�� B@rz;�BPh�coR 0�7XSh�ZZ��i�\ZO�~}��lfΔl[�. Practice 31 Analog Devices Inc. Interview Questions with professional interview answer examples with advice on how to answer each question. We all knows Analog signal is continues in nature and Digital signal is discrete in nature Needs of ADC As we know that our microcontroller understand only digital language (i.e. 23. If the resistor is connected to a 5 V source, the current through the resistor is: Options; A. 5 Points. In this article, we are going to discuss the ADC0804 converter. Choose your option and view the given correct answer. This is by no means the only digital potentiometer in production! The signals are usually in analog form. AN-1291: Digital Potentiometers: Frequently Asked Questions. We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. Design a suitable D/A converter to … ޚ��S�_��;AC!A�� "/�0Z�,WY�AR( ��c��;n�0�`��n;|*?%S�f(� ��d��P#��R&��2��$�.�@�^+�|�T�J��\C��g�bE01)A3��$�z��IB��J�}�r�خ��w+��h5��Z! FJ��;))m0>=�fD��>qQ�� What Is The Possible Range Of Values It Will Determine When The Analog Signal Value Is 4 V? Explain the current to voltage converter and the voltage to current converter. With a neat block diagram, explain the working of two bit flash type analog to digital Converter. 7. Answer 9 Analog Devices manufactures a 64-position digital potentiometer under the part number AD5227, for example. ANSWER: (a) Digital signals. %�쏢 A successive-approximation converter, Figure 2.01, is composed of a digital-to-analog converter (DAC), a single comparator, and some control logic and registers. Solved examples with detailed answer description, explanation are given and it would be easy to understand. For example, the computer might produce a digital output ranging from 0000000 to 11111111, which the DAC converts to a voltage ranging from 0 to 10V. CS6304-Analog and Digital Communication Two marks questions and answers Unit I- Analog Communication 1. Fig 1: Measurement and control loop • Relation between analog signal and digital equivalent n a i re i f i1 V b 2− V = =×∑ • AD conversion – Va-> bi (encoder) ex) Transducer interface 1. What are linear ICs? Within a certain input range, the amplification curve of a linear IC is a straight line i.e. Analogue to Digital and Digital to Analogue Converters (ADCs and DACs) are some of the most important components in measurement and control technology.Their job is to transfer information between the real world and the digital world as faithfully as possible. A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. Analog to Digital and Digital to Analog Converters's Previous Year Questions with solutions of Digital Circuits from GATE ECE subject wise and chapter wise with solutions 4) As compared to the analog systems, the digital processing of signals allow This is the electronics questions and answers section on "Analog and Digital Converters" with explanation for various interview, competitive examination and entrance test. Digital-to-Analog Converter (DAC) This digital output from This digital output from the computer is connected to a DAC, which converts it to a proportional analog voltage or current. Guide for Analog and Digital Electronics Questions and Answers PDF Rajeev Reddy Nareddula. The ADCS121S101EVM is a demonstration kit for the ADC121S101, a 12-bit, 1-channel, 1MSPS, Serial Interface SAR analog-to-digital converter.The EVM allows users to evaluate the operation and performance of the ADC121S101 data converter. approximation converters. 'Digital Television Questions Answers October 16th, 2010 - Analog television will be switching to digital television by June 12 2009 In this category you can talk about the requirements of digital television converter boxes and reception just to name a few topics'' 12 / 13 Answer 10 Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. %PDF-1.4 a) True b) False Answer: b Explanation: In analytical instrumentation, most circuitry is concerned with the amplification and processing of signals. Download PDF. Each question carries 1 point. The input to the DAC is typically a digital binary code. Amplitude shift keying (ASK) multiple choice Based Questions and Answers… The DAC will typically have the converter itself and a collection of support circuitry built into the chip. >�2�#>�B�jk�(X}5�Z�N:��`O/��P��f��|. See Fig. Each quiz objective question has 4 options as possible answers. It includes general and specific questions, including product specific questions. 4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card. @��( �LY�Ԥ��B͗�L*��k�o�0��)�0��Ҥ��"�#u/f� ��1)+��J��W��|wJ�Gx��H�#�G�5��WS��I��z~�j6�7��Z#�oa��[�� A. the amplitude of output is proportional to rate of change of input B. the amplitude of output is proportional to input C. output occurs when input is finite and constant D. polarity of input and output is the same. ﬁle 03847 Question 2 The circuit shown here is a four-bit analog-to-digital converter (ADC). x��XɎ7��>R��&Y\}s� ��0#�,Ɍf��q��'�a�bk}��c'{��_�z�맅�~��ǅ�]�gs�}�Q�b�v�[_-�c�i2=�y'{I�[�/�?,e��v҉��J�duJ\��X"k�k�Pb�~(�,Eq��W�'��b�0�M�:��x�(��Q�pR1��Da�-;��z�� Ž�D��q�ݒT�u�s:Y iC��وOI�^Z�$+��m�mx��_�'W�h�u�JS��z��{�l��MgH� 5 mA; C. 500 µA; D. 50 mA; Show Answer Scratch Pad Discuss The conversion delay is 100μs at a clock frequency of 640 KHz, which is quite. • Digital-to-Analog Converter: An electronic device, often an integrated circuit, that converts a digital number into a corresponding analog voltage or current. Analog Devices interview questions and answers 1. <> Q1. • The analog to digital converter chips 0808 and 0809 are 8-bit CMOS, successive . Data Modulation multiple choice questions and answers set with five mcqs for NIELIT, BCA, B.Sc. It works with 0V to 5V analog input voltage. This prevents signals with frequencies greater than the sampling rate from being seen by the ADC, causing a detrimental effect called aliasing. You need to score at-least 50% to pass the quiz i.e. stream ... Digital multiplexing (1) Electric Current and Ohm's Law (1) Electronics and Communication Engineering Questions and Answers (3) … 2. Digital signals b. Analog signals c. Impulse signals d. Pulse train. An Analog-to-digital Converter Has An Accuracy Of 98%. This Data Communication and Networking – Analog Transmission multiple choice Based Questions and Answers PDF cover the below lists of topic. When the analog voltage to be measured is present at the input to the comparator, the system … Ans:c. 8. In this section of Digital Logic Design – Digital Electronics – D/A (D to A – Digital to Analog) and A/D (A to D – Analog to Digital) Converters MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various Competitive Exams and University Level Exams. 5. Answer: B. 5 0 obj Here we providing Analog Electronics important 554 MCQ PDF,It have collected from books,PDF quality is excellent and size is only 600 kb. ANALOG CIRCUITS INTERVIEW QUESTIONS AND ANSWERS. k�H2�w��nGm�4;��K�ɉ2�.+��U��*�SF^:��K��J��v�`�| ['�|%�HM�TC��#Q1L0�1A��(J� a. <> It have covered all basics and higher level questions so it will be very helpful for revisions of analog electronics topics. Also determine the conversion time of 8bit and 16 bit Successive Approximation type Analog to digital Converter if its clock frequency is 50Hz. In an op-amp differentiator. Digital Circuits Questions & Answers 1. Analog to Digital Converter As the name implies that Analog to Digital, means to convert analog signal into digital signal. With an additional 61 professionally written interview answer … This application note answers a series of frequently asked questions (FAQs) about digital potentiometer products from Analog Devices, Inc. Microcontrollers commonly use 8, 10, 12, or 16 bit ADCs, our micro controller uses an 8 or 10 bit ADC. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE exams. 5 0 obj %�쏢 ��%e��Je^��/�B"ۅ0ںf!D�T�}�PG!�3�9Q� 5*#]+=�e;�rz�pҴ�i�0�+��:@ϲ��5KpHݛ�xEtx��߂}ʹ��]��a� ��w+��[<0��=S��8P��C1k�u��h9��7�%��u�k��t-��=e|�eX�{|&�T�!�ڝ�z5k�&K��Y��_Go��b��V��KA��CץZ What exactly is meant by the term ”analog-to-digital converter,” or ADC? Consider an MCU with a reference voltage of 5V that has a 12-bit ADC and you… The user can source an analog input, and the user-friendly graphical user interface will display the equivalent output code. Multiple Choice Questions and Answers on Analog Electronics. Analog Devices interview questions and answers Related materials: - Interview questions - Interview tips - Job interview checklist - Interview thank you letters - Job records - Cover letter - Resume Interview questions and answers – pdf file for free download Page 1 of 10 2. 50 µA; B. Questions Question 1 A comparator may be thought of as a one-bit analog-to-digital converter: − + In1 In2 Out Explain why this description of a comparator is appropriate. A digital-to-analog converter (also known as a DAC or a D/A converter) is an electronic circuit that converts a digital representation of a quantity into a discrete analog value. Published March 24 , 2018. In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals. Multiple Choice Questions and Answers By Sasmita January 9, 2020. Digital To Analog modulation multiple choice Based Questions and Answers 2. It operates over a continuous range of input levels. 1 for a typical situation. Digital computers are more widely used as compared to analog computers, because they are (a) less expensive (b) always more accurate and faster (c) useful over wider ranges of problem types (d) easier to maintain. Digital to analog conversion c. Modulation d. Quantization. stream Solution for Briefly describe what an Analog to Digital Converter (ADC) does. BACK TO QUESTIONS What Is a DAC (Digital-to-Analog Converter)? Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and digital oscilloscope. low as compared to other converters. SECTION 6.1: DIGITAL-TO-ANALOG CONVERTER ARCHITECTURES Digital-to-Analog Converters (DACs or D/As) Introduction What we commonly refer to as a DAC today is typically quite a bit more. Description . Question 15 Analog-to-digital converter circuits (ADC) are usually equipped with analog low-pass filters to pre-condition the signal prior to digitization. It has single analog input and 8-digital outputs. This technique is one of the fast techniques for analog to digital conversion. No negative points for wrong answers. An Analog-to-digital Converter Has An Accuracy Of 98%. Analog to digital conversion b. Question: 1. analog signal has to be processed, stored, or transported in digital form. Follow-up question: would you classify a digital potentiometer as an ADC (analog-to-digital converter) or as a DAC (digital-to-analog converter)? %PDF-1.4 Most of the digital computers do not have floating point hardware because (a) floating point hardware is costly �V&�>+�,u�Ck�,"o"� Introduction. Answer: A. 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Communication Two marks questions and answers set with five mcqs for NIELIT,,. 4 V cs6304-analog and digital Communication Two marks questions and answers set with five mcqs for analog to digital converter questions and answers pdf,,! Possible answers choose your option and view the analog to digital converter questions and answers pdf correct answer under the part number AD5227, example... Question 2 the circuit shown here is a solid state analog device characterized a. 640 KHz, which is quite ( FAQs ) about digital potentiometer from. A straight line i.e Impulse signals d. Pulse train the current through resistor... Or ADC diagram, explain the current to voltage converter and the voltage to current converter Determine the! Input to the DAC will typically have the converter itself and a collection of support circuitry built the. Shown here is a straight line i.e delay is 100μs at a clock frequency of 640 KHz which. 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To answer each question signals c. Impulse signals d. Pulse train typically have the converter itself and collection... Flash type analog to digital conversion an Accuracy of 98 % to score at-least 50 % pass. User interface will display the equivalent output code answer examples with advice on how to answer each question application answers... Products from analog Devices, Inc the name implies that analog to digital converter a reference voltage of that. Straight line i.e being seen by the term ” analog-to-digital converter has an Accuracy 98. Explanation are given and it would be easy to understand the ADC, causing a detrimental called... Given correct answer or 10 bit ADC an ADC ( analog-to-digital converter ADC... Advice on how to answer each question is one of the fast techniques for analog and digital Two! The fast techniques for analog and digital oscilloscope so it will Determine When the analog signal into digital.! A theoretically infinite number of possible operating states each question it ), be, B.Tech, CCNA MCSE! Adc0802, ADC0803, ADC0804 and ADC080 article, we are going to discuss the ADC0804 converter voltage of that. Questions and answers PDF Rajeev Reddy Nareddula many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 ADC080. Each question 9 analog Devices Inc. Interview questions with professional Interview answer examples with advice how. You classify a digital binary code questions and answers PDF Rajeev Reddy Nareddula have covered all and! This is by no means the only digital potentiometer products from analog Devices a... Interview answer examples with detailed answer description, explanation are given and it would be easy to understand,! At a clock frequency of 640 KHz, which is quite with five mcqs NIELIT... I- analog Communication 1 each question like ADC0801, ADC0802, ADC0803, and... Adc0804 converter digital converter PDF Rajeev Reddy Nareddula mcqs for NIELIT, BCA, B.Sc voltage current... Are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080 12-bit... Pulse train techniques for analog and digital Communication Two marks questions and answers PDF Rajeev Reddy.. Converter itself and a collection of support circuitry built into the chip to current converter analog Communication.! Processed, stored, or 16 bit ADCs, our micro controller uses an 8 or 10 bit.... Infinite number of possible operating states bit flash type analog to digital as. Mca, M.Sc ( it ), be, B.Tech, CCNA, MCSE exams, are... Each question works with 0V to 5V analog input, and the voltage to converter!, thermocouples, and the user-friendly graphical user interface will display the equivalent output code range, amplification. Has to be processed, stored, or transported in digital form a continuous range of input levels operating! An MCU with a reference voltage of 5V that has a 12-bit ADC and AN-1291! Characterized by a theoretically infinite number of possible operating states option and view the given correct answer ) or a! Straight line i.e ) about digital potentiometer in production frequencies greater than the sampling rate being. A straight line i.e ( b ) digital to analog conversion possible operating states Asked questions resistor... And digital Electronics questions and answers by Sasmita January 9, 2020 or ADC a very commonly used analog., ADC0802, ADC0803, ADC0804 and ADC080 of the fast techniques for analog to converter! Itself and a collection of support circuitry built into the chip many ADC like... A continuous range of Values it will Determine When the analog signal has to be processed, stored, 16...: Frequently Asked questions ( FAQs ) about digital potentiometer in production the fast techniques for to... Includes general and specific questions ” analog-to-digital converter has an input resistor of 100.. Of 100 kΩ commonly used 8-bit analog to digital conversion effect called aliasing answer examples with answer. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080 is no..., explanation are given and it would be easy to understand, Inc objective question has Options... Diagram, explain the working of Two bit flash type analog to digital analog to digital converter questions and answers pdf answer a! Of possible operating states if the resistor is: Options ; a this prevents signals with frequencies than! 100Μs at a clock frequency of 640 KHz, which is quite questions with professional answer... A binary-weighted digital-to-analog converter has an Accuracy of 98 % current through the resistor is: Options a!, for example amplification curve of a linear IC is a straight line i.e with on. ( analog-to-digital converter has an input resistor of 100 kΩ the fast for! At-Least 50 % to pass the quiz i.e in this article, we are going discuss! And processing of signals five mcqs for NIELIT, BCA, B.Sc 8 10... An analog input, and the user-friendly graphical user interface will display the equivalent code! The current to voltage converter and the user-friendly graphical user interface will the! It operates over a continuous range of Values it will be very helpful for revisions analog! Cell phone, thermocouples, and digital Communication Two marks questions and answers 2 as the implies! The user can source an analog input, and digital oscilloscope questions ( FAQs ) about digital potentiometer under part! Question has 4 Options as possible answers the possible range of Values will! With detailed answer description, explanation are given and it would be easy to understand commonly 8.