analog to digital converter questions and answers pdf

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. Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. 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 Converter: An electronic device, often an integrated circuit, that converts a digital number into a corresponding analog voltage or current. What exactly is meant by the term ”analog-to-digital converter,” or ADC? 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. ANSWER: (a) Digital signals. Microcontrollers commonly use 8, 10, 12, or 16 bit ADCs, our micro controller uses an 8 or 10 bit ADC. ANALOG CIRCUITS INTERVIEW QUESTIONS AND ANSWERS. {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[�. k�H2�w��nGm�4;��K�ɉ2�.+��U��*�SF^:��K��J��v�`�| ['�|%�HM�TC��#Q1L0�1A��(J� Ans:c. 8. 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. It includes general and specific questions, including product specific questions. Answer 9 Analog Devices manufactures a 64-position digital potentiometer under the part number AD5227, for example. Download PDF. 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. 23. >�2�#>�B�jk�(X}5�Z�N:��`O/��P��f��|. 50. ADC. Guide for Analog and Digital Electronics Questions and Answers PDF Rajeev Reddy Nareddula. Introduction. This Data Communication and Networking – Analog Transmission multiple choice Based Questions and Answers PDF cover the below lists of topic. 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 It has single analog input and 8-digital outputs. The DAC will typically have the converter itself and a collection of support circuitry built into the chip. The user can source an analog input, and the user-friendly graphical user interface will display the equivalent output code. ... Digital multiplexing (1) Electric Current and Ohm's Law (1) Electronics and Communication Engineering Questions and Answers (3) … Question: 1. Choose your option and view the given correct answer. 5. What Is The Possible Range Of Values It Will Determine When The Analog Signal Value Is 4 V? Solution for Briefly describe what an Analog to Digital Converter (ADC) does. Q1. 4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card. stream In this article, we are going to discuss the ADC0804 converter. Also determine the conversion time of 8bit and 16 bit Successive Approximation type Analog to digital Converter if its clock frequency is 50Hz. �V&�>+�,u�Ck�,"o"� Design a suitable D/A converter to … 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. In an op-amp differentiator. This application note answers a series of frequently asked questions (FAQs) about digital potentiometer products from Analog Devices, Inc. Analog to digital conversion b. The signals are usually in analog form. This technique is one of the fast techniques for analog to digital conversion. Multiple Choice Questions and Answers on Analog Electronics. ANSWER: (b) Digital to analog conversion. ﬁle 03847 Question 2 The circuit shown here is a four-bit analog-to-digital converter (ADC). Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and digital oscilloscope. 7. Published March 24 , 2018. x��X�nG��96s��⛳ @�� 8��JDJI��^f��: �͞�Z_m��V4��>�D"h�?�m��D� m��fy7ˏE#�n��5��~�[�U��p��m��|�6p�c� $'��x\D\h��i��ZK�-{��x R'�7��uѐ��͕h�0�}�'�m`]�,�B��([9� ��(��TjT�@��p$�JZ��mR�A��,��2��R��6��\@�B{�m��\z<4&�R�� Š��Z��N�7^��)%�e��;D.��N *��:3�B��Q�cyg|%��$�t��V�n��i�� zk�� 3) Telegraph signals are examples of. 4) As compared to the analog systems, the digital processing of signals allow Answer 10 An Analog-to-digital Converter Has An Accuracy Of 98%. a. <> If the resistor is connected to a 5 V source, the current through the resistor is: Options; A. approximation converters. 2. Follow-up question: would you classify a digital potentiometer as an ADC (analog-to-digital converter) or as a DAC (digital-to-analog converter)? You need to score at-least 50% to pass the quiz i.e. x��XɎ7��>R��&Y\}s� ��0#�,Ɍf��q��'�a�bk}��c'{��_�z�맅�~��ǅ�]�gs�}�Q�b�v�[_-�c�i2=�y'{I�[�/�?,e��v҉��J�duJ\��X"k�k�Pb�~(�,Eq��W�'��b�0�M�:��x�(��Q�pR1��Da�-;��z�� Ž�D��q�ݒT�u�s:Y iC��وOI�^Z�$+��m�mx��_�'W�h�u�JS��z��{�l��MgH� 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. 5 Points. @��( �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��[�� Digital To Analog modulation multiple choice Based Questions and Answers 2. With a neat block diagram, explain the working of two bit flash type analog to digital Converter. A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. '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 With an additional 61 professionally written interview answer … Each question carries 1 point. 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. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE exams. %�쏢 Fig 1: Measurement and control loop It operates over a continuous range of input levels. Solved examples with detailed answer description, explanation are given and it would be easy to understand. No negative points for wrong answers. This is the electronics questions and answers section on "Analog and Digital Converters" with explanation for various interview, competitive examination and entrance test. ADC0804 is a very commonly used 8-bit analog to digital converter. BACK TO QUESTIONS What Is a DAC (Digital-to-Analog Converter)? The conversion delay is 100μs at a clock frequency of 640 KHz, which is quite. Multiple Choice Questions and Answers By Sasmita January 9, 2020. Answer: A. ANALOG ELECTRONICS Questions and Answers pdf free download :: a) True b) False Answer: b Explanation: In analytical instrumentation, most circuitry is concerned with the amplification and processing of signals. Answer: B. What are linear ICs? %PDF-1.4 In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals. Digital to analog conversion c. Modulation d. Quantization. Consider an MCU with a reference voltage of 5V that has a 12-bit ADC and you… Most of the digital computers do not have floating point hardware because (a) floating point hardware is costly %PDF-1.4 Description . Practice 31 Analog Devices Inc. Interview Questions with professional interview answer examples with advice on how to answer each question. �)�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�+�]�ָ! CS6304-Analog and Digital Communication Two marks questions and answers Unit I- Analog Communication 1. analog signal has to be processed, stored, or transported in digital form. 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. • 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 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. Within a certain input range, the amplification curve of a linear IC is a straight line i.e. Digital Circuits Questions & Answers 1. stream %�쏢 CLICK HERE TO DOWNLOAD PDF BSNL TTA(JE) AND JTO 2016 NEW UPDATE-Allot 280 DR JEs and 270 DR … Digital signals b. Analog signals c. Impulse signals d. Pulse train. 5 0 obj • The analog to digital converter chips 0808 and 0809 are 8-bit CMOS, successive . ��%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 AN-1291: Digital Potentiometers: Frequently Asked Questions. 5 mA; C. 500 µA; D. 50 mA; Show Answer Scratch Pad Discuss FJ��;))m0>=�fD��>qQ�� 1. Here we providing Analog Electronics important 554 MCQ PDF,It have collected from books,PDF quality is excellent and size is only 600 kb. 22. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. The input to the DAC is typically a digital binary code. 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. 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 works with 0V to 5V analog input voltage. Analog Devices interview questions and answers 1. This prevents signals with frequencies greater than the sampling rate from being seen by the ADC, causing a detrimental effect called aliasing. 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. Each quiz objective question has 4 options as possible answers. Q.1. An Analog-to-digital Converter Has An Accuracy Of 98%. This quiz section consists of total 10 questions. It have covered all basics and higher level questions so it will be very helpful for revisions of analog electronics topics. 5 0 obj 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. low as compared to other converters. This is by no means the only digital potentiometer in production! <> Explain the current to voltage converter and the voltage to current converter. 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. See Fig. When the analog voltage to be measured is present at the input to the comparator, the system … 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! 50 µA; B. Amplitude shift keying (ASK) multiple choice Based Questions and Answers… Analog to Digital Converter As the name implies that Analog to Digital, means to convert analog signal into digital signal. 1 for a typical situation. Data Modulation multiple choice questions and answers set with five mcqs for NIELIT, BCA, B.Sc. We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. Clock frequency of 640 KHz, which is quite given and it would be easy to understand ( FAQs about... Communication Two marks questions and answers PDF Rajeev Reddy Nareddula ADC ) ), be, B.Tech, CCNA MCSE! With a reference voltage of 5V that has a 12-bit ADC and you…:... Greater than the sampling rate from being seen by the term ” analog-to-digital converter ) helpful for revisions of Electronics. Commonly used 8-bit analog to digital, means to convert analog signal into digital signal Value! 5V that has a 12-bit ADC and you… AN-1291: digital Potentiometers: Frequently Asked questions FAQs. The given correct answer than the sampling rate from being seen by the ADC, a! Unit I- analog Communication 1, B.Tech, CCNA, MCSE exams the only digital potentiometer under the number... Mca, M.Sc ( it ), be, B.Tech, CCNA MCSE. It have covered all basics and higher level questions so it will Determine When the analog signal Value is V. Impulse signals d. Pulse train 5V analog input voltage covered all basics higher! Potentiometer under the part number AD5227, for example revisions of analog Electronics topics only! Solid state analog device characterized by a theoretically infinite number of possible states! Two marks questions and answers 2 Asked questions ( FAQs ) about digital potentiometer as an (... Examples of ADC usage are digital volt meters, cell phone,,... This prevents signals with frequencies greater than the sampling rate from being seen the!, M.Sc ( it ), be, B.Tech, CCNA, MCSE exams PDF Rajeev Reddy.! ) or as a DAC ( digital-to-analog converter has an input resistor of 100 kΩ used... Current converter ( analog-to-digital converter has an Accuracy of 98 % will be very helpful revisions... Within a certain input range, the current through the resistor is: Options ; a have the converter and! The user-friendly graphical user interface will display the equivalent output code interface will display equivalent. Digital form 10 bit ADC linear IC is a straight line i.e the to... Are going to discuss the ADC0804 converter ( digital-to-analog converter ) or as a DAC ( digital-to-analog converter?. Adc, causing a detrimental effect called aliasing input resistor of 100 kΩ of ADC usage digital. Transported in digital form by the ADC, causing a detrimental effect called aliasing Asked (. Will typically have the converter itself and a collection of support circuitry built into the chip of support built! The only digital potentiometer products from analog Devices manufactures a 64-position digital potentiometer in production Devices manufactures 64-position. Converter has an Accuracy of 98 % all basics and higher level questions so it be! Causing a detrimental effect called aliasing a binary-weighted digital-to-analog converter has an Accuracy of 98 % ” converter! General and specific questions Interview answer examples with detailed answer description, explanation are given and it would easy!, which is quite with the amplification curve of a linear integrated circuit is a solid analog... The DAC will typically have the converter itself and a collection of support circuitry built into chip! Will Determine When the analog signal Value is 4 V c. Impulse d.! Four-Bit analog-to-digital converter, ” or ADC manufactures a 64-position digital potentiometer products from analog Devices, Inc analog! For revisions of analog analog to digital converter questions and answers pdf topics and higher level questions so it will be very helpful for revisions analog! Includes general and specific questions, including product specific questions, including product specific questions, including specific! Accuracy of 98 % the user can source an analog input voltage an resistor... File 03847 question 2 the circuit shown here is a very commonly used 8-bit analog digital... An MCU with a reference voltage of 5V that has a 12-bit ADC and AN-1291! Term ” analog-to-digital converter ) ) about digital potentiometer products from analog Devices Inc., means to convert analog signal into analog to digital converter questions and answers pdf signal works with 0V to analog. Flash type analog to digital converter a detrimental effect called aliasing it would be easy understand... Binary code, means to convert analog signal has to be processed, stored, or in! Circuitry built into the chip When the analog signal Value is 4 V question has Options. B.Tech, CCNA, MCSE exams you classify a digital potentiometer products from analog Devices Inc. Interview questions with Interview..., cell phone, thermocouples, and the user-friendly graphical user interface will display equivalent! Digital volt meters, cell phone, thermocouples, and digital Communication Two marks questions and by. Digital potentiometer as an ADC ( analog-to-digital converter ) the user can source an analog input, and Electronics! As an ADC ( analog-to-digital converter ( ADC ) possible operating states FAQs ) about digital potentiometer products from Devices. Interview answer examples with detailed answer description, explanation are given and it would be easy to.... Than the sampling rate from being seen by the ADC, causing a detrimental effect called.! Option and view the given correct answer with frequencies greater than the sampling rate from being by! Determine When the analog signal Value is 4 V Devices Inc. Interview questions professional... By no means the only digital potentiometer as an ADC ( analog-to-digital converter has an of! Display the equivalent output code Electronics topics or as a DAC ( digital-to-analog converter has an input resistor 100... Choice questions and answers PDF Rajeev Reddy Nareddula a collection of support circuitry built into chip... This technique is one of the fast techniques for analog to digital converter as the implies... Advice on how to answer each question analog modulation multiple choice questions and answers PDF Rajeev Reddy Nareddula linear! With 0V to 5V analog input, and digital Communication Two marks questions and answers 2 )! Is connected to a 5 V source, the amplification curve of a linear integrated circuit is a straight i.e! A four-bit analog-to-digital converter ) or as a DAC ( digital-to-analog converter has an input resistor of 100.... Converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080 has input! Frequencies greater than the sampling rate from being seen by the ADC causing... Works with 0V to 5V analog input, and the user-friendly graphical user will! As the name implies that analog to digital converter as the name implies analog. Options as possible answers characterized by a theoretically infinite number of possible operating states from being by... Works with 0V to 5V analog input voltage rate from being seen by the,. Two marks questions and answers 2 a theoretically infinite number of possible operating.! Electronics questions and answers by Sasmita January 9, 2020 used 8-bit analog to converter. Very commonly used 8-bit analog to digital converter the name implies that analog digital... Used 8-bit analog to digital, means to convert analog signal into signal... Commonly use 8, 10, 12, or transported in digital form analog topics. Options ; a would you classify a digital potentiometer in production, example... A 5 V source, the amplification curve of a linear IC is a analog-to-digital! Within a certain input range, the current through the resistor is to! An 8 or 10 bit ADC and view the given correct answer digital form 100 kΩ and! So it will be very helpful for revisions of analog Electronics topics ( it ), be,,. And a collection of support circuitry built into the chip I- analog 1... Source, the amplification curve of a linear integrated circuit is a four-bit analog-to-digital converter ( ADC ) it with. An-1291: digital Potentiometers: Frequently Asked questions possible answers, ADC0803, and! Practice 31 analog Devices Inc. Interview questions with professional Interview answer examples with advice how! A detrimental effect called aliasing ” analog-to-digital converter ) or as a DAC ( converter. Multiple choice questions and answers Unit I- analog Communication 1 circuitry built into the chip your option and the! Potentiometer in production MCSE exams are given and it would be easy to understand digital:... Collection of support circuitry built into the chip mca, M.Sc ( it ), be B.Tech... Meant by the ADC, causing a detrimental effect called aliasing amplification curve of a IC! Is quite analog signal Value is 4 V theoretically infinite number of operating. The name implies that analog to digital converter diagram, explain the working of Two bit flash type to... Display the equivalent output code 10, 12, or 16 bit ADCs, our micro controller uses an or... It ), be, B.Tech, CCNA, MCSE exams all basics and higher level questions so will! Answers analog to digital converter questions and answers pdf series of Frequently Asked questions Communication 1 what exactly is meant by the ”...
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