It includes general and specific questions, including product specific questions. This is by no means the only digital potentiometer in production! 23. 5 0 obj 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. 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. Answer 10 <> Analog to digital conversion b. Multiple Choice Questions and Answers By Sasmita January 9, 2020. low as compared to other converters. 4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card. Within a certain input range, the amplification curve of a linear IC is a straight line i.e. Fig 1: Measurement and control loop We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. ANSWER: (b) Digital to analog conversion. • Digital-to-Analog Converter: An electronic device, often an integrated circuit, that converts a digital number into a corresponding analog voltage or current. 4) As compared to the analog systems, the digital processing of signals allow Analog to Digital Converter As the name implies that Analog to Digital, means to convert analog signal into digital signal. This application note answers a series of frequently asked questions (FAQs) about digital potentiometer products from Analog Devices, Inc. @���( �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���[��� 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. The user can source an analog input, and the user-friendly graphical user interface will display the equivalent output code. 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. Answer: A. ANALOG ELECTRONICS Questions and Answers pdf free download :: 22. See Fig. Digital Circuits Questions & Answers 1. This prevents signals with frequencies greater than the sampling rate from being seen by the ADC, causing a detrimental effect called aliasing. 5. Published March 24 , 2018. 50 µA; B. The signals are usually in analog form. 1 for a typical situation. file 03847 Question 2 The circuit shown here is a four-bit analog-to-digital converter (ADC). Data Modulation multiple choice questions and answers set with five mcqs for NIELIT, BCA, B.Sc. ... Digital multiplexing (1) Electric Current and Ohm's Law (1) Electronics and Communication Engineering Questions and Answers (3) … It has single analog input and 8-digital outputs. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. When the analog voltage to be measured is present at the input to the comparator, the system … The input to the DAC is typically a digital binary code. Choose your option and view the given correct answer. Most of the digital computers do not have floating point hardware because (a) floating point hardware is costly Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. Multiple Choice Questions and Answers on Analog Electronics. 5 0 obj 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. 5 Points. This Data Communication and Networking – Analog Transmission multiple choice Based Questions and Answers PDF cover the below lists of topic. 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. ANSWER: (a) Digital signals. ANALOG CIRCUITS INTERVIEW QUESTIONS AND ANSWERS. Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and digital oscilloscope. 2. Description . �)�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�+�]�ָ! Follow-up question: would you classify a digital potentiometer as an ADC (analog-to-digital converter) or as a DAC (digital-to-analog converter)? Design a suitable D/A converter to … a. 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: 1. Answer 9 Analog Devices manufactures a 64-position digital potentiometer under the part number AD5227, for example. It works with 0V to 5V analog input voltage. No negative points for wrong answers. In an op-amp differentiator. This is the electronics questions and answers section on "Analog and Digital Converters" with explanation for various interview, competitive examination and entrance test. An Analog-to-digital Converter Has An Accuracy Of 98%. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE exams. The DAC will typically have the converter itself and a collection of support circuitry built into the chip. ��%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 Download PDF. Analog Devices interview questions and answers 1. %�쏢 • The analog to digital converter chips 0808 and 0809 are 8-bit CMOS, successive . ADC. Explain the current to voltage converter and the voltage to current converter. • 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 a) True b) False Answer: b Explanation: In analytical instrumentation, most circuitry is concerned with the amplification and processing of signals. ADC0804 is a very commonly used 8-bit analog to digital converter. approximation converters. A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. CS6304-Analog and Digital Communication Two marks questions and answers Unit I- Analog Communication 1. AN-1291: Digital Potentiometers: Frequently Asked Questions. 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 This technique is one of the fast techniques for analog to digital conversion. %PDF-1.4 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. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Practice 31 Analog Devices Inc. Interview Questions with professional interview answer examples with advice on how to answer each question. Here we providing Analog Electronics important 554 MCQ PDF,It have collected from books,PDF quality is excellent and size is only 600 kb. An Analog-to-digital Converter Has An Accuracy Of 98%. 7. 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. Q1. In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals. Introduction. 1. 50. BACK TO QUESTIONS What Is a DAC (Digital-to-Analog Converter)? Ans:c. 8. {n�;|��P�ǣ�צ�u�B�[r��N���s�J��$#�Q�Z�%mWՙ��}f�掴����V�����@}�ʁ��֡�����\ .�A��I=W=��̓�*~�B���젌��$�kg.LD��6),���Gi�v������Z�Da���^E����~��AD��/t�o����;&c��`��'S&iGgF�����,P^���B}�" "�+9�C��� �B@rz;�BPh�coR 0�7XSh�ZZ���i�\ZO�~}��lfΔl[�. Define − Noise (May/June 2007) Noise is defined as any unwanted form of energy, which tends to interfere with proper reception and reproduction of wanted signal. SECTION 6.1: DIGITAL-TO-ANALOG CONVERTER ARCHITECTURES Digital-to-Analog Converters (DACs or D/As) Introduction What we commonly refer to as a DAC today is typically quite a bit more. What are linear ICs? Microcontrollers commonly use 8, 10, 12, or 16 bit ADCs, our micro controller uses an 8 or 10 bit ADC. ޚ��S�_�����;AC!A��� "/�0Z�,WY�AR( ��c��;n�0�`��n;|*?%S�f(� ����d��P#�������������R&��2�����$�.�@�^+�|�T�J��\C��g�bE01)A3���$�z���IB���J�}�r�خ����w+��h5��Z! Digital to analog conversion c. Modulation d. Quantization. It have covered all basics and higher level questions so it will be very helpful for revisions of analog electronics topics. �V&�>+�,u�Ck�,"o"� This quiz section consists of total 10 questions. What exactly is meant by the term ”analog-to-digital converter,” or ADC? FJ��;))m0>=�fD��>qQ�� What Is The Possible Range Of Values It Will Determine When The Analog Signal Value Is 4 V? %�쏢 Answer: B. stream Each quiz objective question has 4 options as possible answers. analog signal has to be processed, stored, or transported in digital form. k�H2�w��nGm�4;���K�ɉ2�.+���U��*�SF^:��K��J�����v�`�| ['�|%�HM�TC��#Q1L0�1A���(J� x��XɎ7���>R��&Y\}s� ���0#�,Ɍf������q��'�a�bk}��c'{�������_�z�맅�~����Dž�]�gs�}�Q�b�v�[_-�c�i2=�y'{I�[�/�?,e��v҉��J�duJ\��X"k�k�Pb�~(�,Eq��W�'���b�0�M�:��x�(��Q�pR1��Da�-;��z�� Ž�D����q�ݒT�u�s:Y iC���وOI�^Z�$+��m�mx�������_�'W�h�u�JS���z��{�l��MgH� It operates over a continuous range of input levels. You need to score at-least 50% to pass the quiz i.e. CLICK HERE TO DOWNLOAD PDF BSNL TTA(JE) AND JTO 2016 NEW UPDATE-Allot 280 DR JEs and 270 DR … <> Digital To Analog modulation multiple choice Based Questions and Answers 2. '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 Digital signals b. Analog signals c. Impulse signals d. Pulse train. 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. 3) Telegraph signals are examples of. With a neat block diagram, explain the working of two bit flash type analog to digital Converter. 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. Guide for Analog and Digital Electronics Questions and Answers PDF Rajeev Reddy Nareddula. Consider an MCU with a reference voltage of 5V that has a 12-bit ADC and you… Each question carries 1 point. 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. Amplitude shift keying (ASK) multiple choice Based Questions and Answers… Q.1. >�2�#>�B�jk�(X}5�Z�N:��`O/��P����f��|. If the resistor is connected to a 5 V source, the current through the resistor is: Options; A. Question 15 Analog-to-digital converter circuits (ADC) are usually equipped with analog low-pass filters to pre-condition the signal prior to digitization. The conversion delay is 100μs at a clock frequency of 640 KHz, which is quite. 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