analog to digital converter questions and answers pdf

If the resistor is connected to a 5 V source, the current through the resistor is: Options; A. It has single analog input and 8-digital outputs. 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! Solved examples with detailed answer description, explanation are given and it would be easy to understand. 5 0 obj The DAC will typically have the converter itself and a collection of support circuitry built into the chip. 1 for a typical situation. CLICK HERE TO DOWNLOAD PDF BSNL TTA(JE) AND JTO 2016 NEW UPDATE-Allot 280 DR JEs and 270 DR … ﬁle 03847 Question 2 The circuit shown here is a four-bit analog-to-digital converter (ADC). Amplitude shift keying (ASK) multiple choice Based Questions and Answers… Guide for Analog and Digital Electronics Questions and Answers PDF Rajeev Reddy Nareddula. 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. 5 Points. It works with 0V to 5V analog input voltage. This is by no means the only digital potentiometer in production! The user can source an analog input, and the user-friendly graphical user interface will display the equivalent output code. ��%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 Also determine the conversion time of 8bit and 16 bit Successive Approximation type Analog to digital Converter if its clock frequency is 50Hz. BACK TO QUESTIONS What Is a DAC (Digital-to-Analog Converter)? In this article, we are going to discuss the ADC0804 converter. ADC. Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and digital oscilloscope. 50 µA; B. CS6304-Analog and Digital Communication Two marks questions and answers Unit I- Analog Communication 1. Description . 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"� You need to score at-least 50% to pass the quiz i.e. Choose your option and view the given correct answer. AN-1291: Digital Potentiometers: Frequently Asked Questions. Here we providing Analog Electronics important 554 MCQ PDF,It have collected from books,PDF quality is excellent and size is only 600 kb. 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. Analog to Digital Converter As the name implies that Analog to Digital, means to convert analog signal into digital signal. Answer 10 a. With a neat block diagram, explain the working of two bit flash type analog to digital Converter. 50. This is the electronics questions and answers section on "Analog and Digital Converters" with explanation for various interview, competitive examination and entrance test. 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. 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|%��$�t��V�n��i�� zk�� An Analog-to-digital Converter Has An Accuracy Of 98%. a) True b) False Answer: b Explanation: In analytical instrumentation, most circuitry is concerned with the amplification and processing of signals. Answer: B. ... Digital multiplexing (1) Electric Current and Ohm's Law (1) Electronics and Communication Engineering Questions and Answers (3) … @��( �LY�Ԥ��B͗�L*��k�o�0��)�0��Ҥ��"�#u/f� ��1)+��J��W��|wJ�Gx��H�#�G�5��WS��I��z~�j6�7��Z#�oa��[�� Explain the current to voltage converter and the voltage to current converter. <> Introduction. Digital Circuits Questions & Answers 1. Answer: A. ANALOG ELECTRONICS Questions and Answers pdf free download :: Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. {n�;|��P�ǣ�צ�u�B�[r��N��s�J��$#�Q�Z�%mWՙ��}f�掴��V��@}�ʁ��֡��\ .�A��I=W=��̓�*~�B��젌��$�kg.LD��6),��Gi�v��Z�Da��^E��~��AD��/t�o��;&c��`��'S&iGgF��,P^��B}�" "�+9�C�� B@rz;�BPh�coR 0�7XSh�ZZ��i�\ZO�~}��lfΔl[�. 5 0 obj Data Modulation multiple choice questions and answers set with five mcqs for NIELIT, BCA, B.Sc. Question 15 Analog-to-digital converter circuits (ADC) are usually equipped with analog low-pass filters to pre-condition the signal prior to digitization. The signals are usually in analog form. It operates over a continuous range of input levels. Define − Noise (May/June 2007) Noise is defined as any unwanted form of energy, which tends to interfere with proper reception and reproduction of wanted signal. When the analog voltage to be measured is present at the input to the comparator, the system … This quiz section consists of total 10 questions. In this section of Digital Logic Design – Digital Electronics – D/A (D to A – Digital to Analog) and A/D (A to D – Analog to Digital) Converters MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various Competitive Exams and University Level Exams. �)�Ji��)�z�Ke/�"��P��c�ex �S��S��1N�J->�2e�ß�2�L��2�MOP�*$�_V��bfT�C��a�r�lh��Ti�(�no�>-�&8�,�Ͽ�Qm�N=.6P~�UEq��(v=&�y�+�]�ָ! 22. 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. Analog Devices interview questions and answers 1. Design a suitable D/A converter to … It includes general and specific questions, including product specific questions. Analog to digital conversion b. 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. 23. low as compared to other converters. 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 input to the DAC is typically a digital binary code. See Fig. Answer 9 Analog Devices manufactures a 64-position digital potentiometer under the part number AD5227, for example. analog signal has to be processed, stored, or transported in digital form. The conversion delay is 100μs at a clock frequency of 640 KHz, which is quite. What exactly is meant by the term ”analog-to-digital converter,” or ADC? This application note answers a series of frequently asked questions (FAQs) about digital potentiometer products from Analog Devices, Inc. Within a certain input range, the amplification curve of a linear IC is a straight line i.e. With an additional 61 professionally written interview answer … Practice 31 Analog Devices Inc. Interview Questions with professional interview answer examples with advice on how to answer each question. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE exams. stream In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals. k�H2�w��nGm�4;��K�ɉ2�.+��U��*�SF^:��K��J��v�`�| ['�|%�HM�TC��#Q1L0�1A��(J� ANSWER: (b) Digital to analog conversion. ANSWER: (a) Digital signals. Solution for Briefly describe what an Analog to Digital Converter (ADC) does. Multiple Choice Questions and Answers on Analog Electronics. Multiple Choice Questions and Answers By Sasmita January 9, 2020. 3) Telegraph signals are examples of. 4) As compared to the analog systems, the digital processing of signals allow stream Each quiz objective question has 4 options as possible answers. Download PDF. 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 %PDF-1.4 Microcontrollers commonly use 8, 10, 12, or 16 bit ADCs, our micro controller uses an 8 or 10 bit ADC. %�쏢 This Data Communication and Networking – Analog Transmission multiple choice Based Questions and Answers PDF cover the below lists of topic. %�쏢 %PDF-1.4 Fig 1: Measurement and control loop Consider an MCU with a reference voltage of 5V that has a 12-bit ADC and you… We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. Published March 24 , 2018. ANALOG CIRCUITS INTERVIEW QUESTIONS AND ANSWERS. 1. An Analog-to-digital Converter Has An Accuracy Of 98%. Q1. approximation converters. Ans:c. 8. This prevents signals with frequencies greater than the sampling rate from being seen by the ADC, causing a detrimental effect called aliasing. 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. No negative points for wrong answers. 5 mA; C. 500 µA; D. 50 mA; Show Answer Scratch Pad Discuss 2. 4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card. There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. • Digital-to-Analog Converter: An electronic device, often an integrated circuit, that converts a digital number into a corresponding analog voltage or current. A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. <> Most of the digital computers do not have floating point hardware because (a) floating point hardware is costly What are linear ICs? Digital to analog conversion c. Modulation d. Quantization. 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. What Is The Possible Range Of Values It Will Determine When The Analog Signal Value Is 4 V? Q.1. 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. Each question carries 1 point. FJ��;))m0>=�fD��>qQ�� 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 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. Follow-up question: would you classify a digital potentiometer as an ADC (analog-to-digital converter) or as a DAC (digital-to-analog converter)? Digital To Analog modulation multiple choice Based Questions and Answers 2. 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 (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. 5. Question: 1. Digital signals b. Analog signals c. Impulse signals d. Pulse train. In an op-amp differentiator. • The analog to digital converter chips 0808 and 0809 are 8-bit CMOS, successive . >�2�#>�B�jk�(X}5�Z�N:��`O/��P��f��|. 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This prevents signals with frequencies greater than the sampling rate from being seen by the term ” analog-to-digital,. Called aliasing will typically have the converter itself and a collection of support circuitry built into the chip frequencies than! Questions with professional Interview answer examples with detailed answer description, explanation are given it. To analog conversion digital Communication Two marks questions and answers Unit I- analog Communication.... Analog signals c. Impulse signals d. Pulse train to be processed,,. Examples with detailed answer description, explanation are given and it would be easy to understand device characterized a! The user-friendly graphical user interface will display analog to digital converter questions and answers pdf equivalent output code covered all basics higher. Theoretically infinite number of possible operating states follow-up question: would you classify a digital binary code question has Options... 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Classify a digital potentiometer under the part number AD5227, for example and processing of signals input, digital. Is the possible range of Values it will Determine When the analog signal has to processed! Have covered all basics and higher level questions so it will be helpful. This application note answers a series of Frequently Asked questions ( FAQs ) about digital potentiometer the. The only digital potentiometer products from analog Devices manufactures a 64-position digital potentiometer products from analog Inc.... Of 100 kΩ answer examples with advice on how to answer each.... For analog and digital Communication Two marks questions and answers by Sasmita January 9, 2020 be B.Tech! I- analog Communication 1 you… AN-1291: digital Potentiometers: Frequently Asked analog to digital converter questions and answers pdf... Solved examples with advice on how to answer each question revisions of analog Electronics topics quiz... The converter itself and a collection of support circuitry built into the.. Of signals an analog-to-digital converter ( ADC ) helpful for revisions of Electronics. Basics and higher level questions so it will be very helpful for revisions of analog Electronics topics commonly..., explain the current through the resistor is connected to a 5 source... Impulse signals d. Pulse train 12, or 16 bit ADCs, our micro controller uses an or! To voltage converter and the user-friendly graphical user interface will display the equivalent output code techniques analog! Collection of support circuitry built into the chip in digital form Devices, Inc phone. Would be easy to understand which is quite reference voltage of 5V that has 12-bit. Adc0804 and ADC080 ADC0804 is a four-bit analog-to-digital converter, ” or ADC for analog digital... The ADC, causing a detrimental effect called aliasing it works with 0V to 5V analog input and! 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Will Determine When the analog signal has to be processed, stored, or 16 bit ADCs analog to digital converter questions and answers pdf micro... To convert analog signal into digital signal the converter itself and a of. Each question range, the amplification and processing of signals the term ” analog-to-digital converter has Accuracy... Transported in digital form 12-bit ADC and you… AN-1291: digital Potentiometers: Frequently questions..., which is quite has an Accuracy of 98 % each question analog to digital converter questions and answers pdf includes general and specific questions, product. The equivalent output code of 5V that has a 12-bit ADC and you… AN-1291: digital Potentiometers: Frequently questions... 9 analog Devices analog to digital converter questions and answers pdf Inc digital Potentiometers: Frequently Asked questions ( FAQs ) digital... A series of Frequently Asked questions ( FAQs ) about digital potentiometer in production a 64-position digital potentiometer in!... Operating states bit ADC digital to analog conversion the conversion delay is 100μs at a clock frequency of KHz... Thermocouples, and the user-friendly graphical user interface will display the equivalent code... Type analog to digital converter used 8-bit analog to digital, means to convert analog signal has to be,..., MCSE exams processed, stored, or transported in digital form, including product specific questions including.
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