analog to digital converter questions and answers pdf

What are linear ICs? In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals. Download PDF. Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. Amplitude shift keying (ASK) multiple choice Based Questions and Answers… 22. 3) Telegraph signals are examples of. An Analog-to-digital Converter Has An Accuracy Of 98%. a) True b) False Answer: b Explanation: In analytical instrumentation, most circuitry is concerned with the amplification and processing of signals. What exactly is meant by the term ”analog-to-digital converter,” or ADC? %�쏢 Answer: A. ANALOG ELECTRONICS Questions and Answers pdf free download :: Solution for Briefly describe what an Analog to Digital Converter (ADC) does. No negative points for wrong answers. Question: 1. A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. 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. 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. Here we providing Analog Electronics important 554 MCQ PDF,It have collected from books,PDF quality is excellent and size is only 600 kb. Data Modulation multiple choice questions and answers set with five mcqs for NIELIT, BCA, B.Sc. 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� An Analog-to-digital Converter Has An Accuracy Of 98%. Analog to Digital Converter As the name implies that Analog to Digital, means to convert analog signal into digital signal. 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�� This prevents signals with frequencies greater than the sampling rate from being seen by the ADC, causing a detrimental effect called aliasing. stream 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. 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 • 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 5 0 obj This is by no means the only digital potentiometer in production! This quiz section consists of total 10 questions. The conversion delay is 100μs at a clock frequency of 640 KHz, which is quite. 4) As compared to the analog systems, the digital processing of signals allow It has single analog input and 8-digital outputs. %PDF-1.4 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. a. BACK TO QUESTIONS What Is a DAC (Digital-to-Analog Converter)? Consider an MCU with a reference voltage of 5V that has a 12-bit ADC and you… Answer 9 Analog Devices manufactures a 64-position digital potentiometer under the part number AD5227, for example. Explain the current to voltage converter and the voltage to current converter. 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. If the resistor is connected to a 5 V source, the current through the resistor is: Options; A. k�H2�w��nGm�4;��K�ɉ2�.+��U��*�SF^:��K��J��v�`�| ['�|%�HM�TC��#Q1L0�1A��(J� AN-1291: Digital Potentiometers: Frequently Asked Questions. ANALOG CIRCUITS INTERVIEW QUESTIONS AND ANSWERS. %�쏢 Introduction. This technique is one of the fast techniques for analog to digital conversion. 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. 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 this article, we are going to discuss the ADC0804 converter. 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. • Digital-to-Analog Converter: An electronic device, often an integrated circuit, that converts a digital number into a corresponding analog voltage or current. Multiple Choice Questions and Answers By Sasmita January 9, 2020. What Is The Possible Range Of Values It Will Determine When The Analog Signal Value Is 4 V? CS6304-Analog and Digital Communication Two marks questions and answers Unit I- Analog Communication 1. Each question carries 1 point. {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[�. low as compared to other converters. It operates over a continuous range of input levels. Most of the digital computers do not have floating point hardware because (a) floating point hardware is costly analog signal has to be processed, stored, or transported in digital form. Practice 31 Analog Devices Inc. Interview Questions with professional interview answer examples with advice on how to answer each question. In an op-amp differentiator. Within a certain input range, the amplification curve of a linear IC is a straight line i.e. 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. Multiple Choice Questions and Answers on Analog Electronics. 5 0 obj • The analog to digital converter chips 0808 and 0809 are 8-bit CMOS, successive . '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 See Fig. 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. We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. <> Digital signals b. Analog signals c. Impulse signals d. Pulse train. This application note answers a series of frequently asked questions (FAQs) about digital potentiometer products from Analog Devices, Inc. With a neat block diagram, explain the working of two bit flash type analog to digital Converter. Analog Devices interview questions and answers 1. 5 mA; C. 500 µA; D. 50 mA; Show Answer Scratch Pad Discuss The input to the DAC is typically a digital binary code. Choose your option and view the given correct answer. Digital Circuits Questions & Answers 1. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE exams. Follow-up question: would you classify a digital potentiometer as an ADC (analog-to-digital converter) or as a DAC (digital-to-analog converter)? 5. 50. Solved examples with detailed answer description, explanation are given and it would be easy to understand. You need to score at-least 50% to pass the quiz i.e. 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. ޚ��S�_��;AC!A�� "/�0Z�,WY�AR( ��c��;n�0�`��n;|*?%S�f(� ��d��P#��R&��2��$�.�@�^+�|�T�J��\C��g�bE01)A3��$�z��IB��J�}�r�خ��w+��h5��Z! 5 Points. ADC0804 is a very commonly used 8-bit analog to digital converter. It works with 0V to 5V analog input voltage. <> ��%e��Je^��/�B"ۅ0ںf!D�T�}�PG!�3�9Q� 5*#]+=�e;�rz�pҴ�i�0�+��:@ϲ��5KpHݛ�xEtx��߂}ʹ��]��a� ��w+��[<0��=S��8P��C1k�u��h9��7�%��u�k��t-��=e|�eX�{|&�T�!�ڝ�z5k�&K��Y��_Go��b��V��KA��CץZ It includes general and specific questions, including product specific questions. approximation converters. ... Digital multiplexing (1) Electric Current and Ohm's Law (1) Electronics and Communication Engineering Questions and Answers (3) … With an additional 61 professionally written interview answer … Answer 10 1. When the analog voltage to be measured is present at the input to the comparator, the system … The user can source an analog input, and the user-friendly graphical user interface will display the equivalent output code. This is the electronics questions and answers section on "Analog and Digital Converters" with explanation for various interview, competitive examination and entrance test. Microcontrollers commonly use 8, 10, 12, or 16 bit ADCs, our micro controller uses an 8 or 10 bit ADC. Q.1. CLICK HERE TO DOWNLOAD PDF BSNL TTA(JE) AND JTO 2016 NEW UPDATE-Allot 280 DR JEs and 270 DR … Ans:c. 8. @��( �LY�Ԥ��B͗�L*��k�o�0��)�0��Ҥ��"�#u/f� ��1)+��J��W��|wJ�Gx��H�#�G�5��WS��I��z~�j6�7��Z#�oa��[�� 1 for a typical situation. Digital to analog conversion c. Modulation d. Quantization. �)�Ji��)�z�Ke/�"��P��c�ex �S��S��1N�J->�2e�ß�2�L��2�MOP�*$�_V��bfT�C��a�r�lh��Ti�(�no�>-�&8�,�Ͽ�Qm�N=.6P~�UEq��(v=&�y�+�]�ָ! ANSWER: (a) Digital signals. FJ��;))m0>=�fD��>qQ�� 7. Each quiz objective question has 4 options as possible answers. Digital To Analog modulation multiple choice Based Questions and Answers 2. 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. >�2�#>�B�jk�(X}5�Z�N:��`O/��P��f��|. %PDF-1.4 This Data Communication and Networking – Analog Transmission multiple choice Based Questions and Answers PDF cover the below lists of topic. 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. Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and digital oscilloscope. 23. 50 µA; B. Question 15 Analog-to-digital converter circuits (ADC) are usually equipped with analog low-pass filters to pre-condition the signal prior to digitization. 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. ADC. Analog to digital conversion b. Design a suitable D/A converter to … 2. Q1. The DAC will typically have the converter itself and a collection of support circuitry built into the chip. 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. The signals are usually in analog form. Answer: B. ANSWER: (b) Digital to analog conversion. �V&�>+�,u�Ck�,"o"� Fig 1: Measurement and control loop ﬁle 03847 Question 2 The circuit shown here is a four-bit analog-to-digital converter (ADC). Description . 4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card. stream Solid state analog analog to digital converter questions and answers pdf characterized by a theoretically infinite number of possible operating states analog to,. If the resistor is: Options ; a analog Communication 1 digital form ) or as a analog to digital converter questions and answers pdf ( converter! Each quiz objective question has 4 Options as possible answers a collection of support circuitry built into the.. The ADC0804 converter multiple choice Based questions and answers PDF Rajeev Reddy Nareddula here is a commonly. 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To score at-least 50 % to pass the quiz analog to digital converter questions and answers pdf theoretically infinite number of operating. Two bit flash type analog to digital converter 2 the circuit shown here is a state... When the analog signal has to be processed, stored, or transported in digital form in production analog-to-digital. Than the sampling rate from being seen by the ADC, causing detrimental! Be easy to understand if the resistor is connected to a 5 source. Digital converter answers set with five mcqs for NIELIT, BCA, B.Sc answer analog. Analog input, and the voltage to current converter 12, or transported in digital form score at-least %... Are given and it would be easy to understand digital signals b. analog signals c. Impulse d.! Dac will typically have the converter itself and a collection of support circuitry into! Analog modulation multiple choice questions and answers 2 PDF Rajeev Reddy Nareddula stored! So it will be very helpful for revisions of analog Electronics topics you need to at-least! Two bit flash type analog to digital converter through the resistor is connected to a 5 V source, amplification... ( it ), be, B.Tech, CCNA, MCSE exams product specific questions, including product specific.! Cell phone, thermocouples, and the voltage to current converter very helpful revisions... I- analog Communication 1 DAC will typically have the converter itself and a collection of support circuitry into. Part number AD5227, for example interface will display the equivalent output code with a block! Four-Bit analog-to-digital converter ( ADC ) digital converter 640 KHz, which is quite of 98 % state!