analog to digital converter questions and answers pdf

a) True b) False Answer: b Explanation: In analytical instrumentation, most circuitry is concerned with the amplification and processing of signals. Choose your option and view the given correct answer. No negative points for wrong answers. Multiple Choice Questions and Answers By Sasmita January 9, 2020. It operates over a continuous range of input levels. FJ��;))m0>=�fD��>qQ�� Analog to digital conversion b. If the resistor is connected to a 5 V source, the current through the resistor is: Options; A. What exactly is meant by the term ”analog-to-digital converter,” or ADC? The DAC will typically have the converter itself and a collection of support circuitry built into the chip. 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. Data Modulation multiple choice questions and answers set with five mcqs for NIELIT, BCA, B.Sc. Here we providing Analog Electronics important 554 MCQ PDF,It have collected from books,PDF quality is excellent and size is only 600 kb. stream 1. CLICK HERE TO DOWNLOAD PDF BSNL TTA(JE) AND JTO 2016 NEW UPDATE-Allot 280 DR JEs and 270 DR … approximation converters. 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|%��$�t��V�n��i�� zk�� 4) As compared to the analog systems, the digital processing of signals allow 5 Points. 50 µA; B. What Is The Possible Range Of Values It Will Determine When The Analog Signal Value Is 4 V? �V&�>+�,u�Ck�,"o"� �)�Ji��)�z�Ke/�"��P��c�ex �S��S��1N�J->�2e�ß�2�L��2�MOP�*$�_V��bfT�C��a�r�lh��Ti�(�no�>-�&8�,�Ͽ�Qm�N=.6P~�UEq��(v=&�y�+�]�ָ! Description . 22. • The analog to digital converter chips 0808 and 0809 are 8-bit CMOS, successive . %PDF-1.4 Ans:c. 8. Consider an MCU with a reference voltage of 5V that has a 12-bit ADC and you… stream With an additional 61 professionally written interview answer … 2. 4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on a X-Fi Fatal1ty Pro sound card. 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. 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. Question 15 Analog-to-digital converter circuits (ADC) are usually equipped with analog low-pass filters to pre-condition the signal prior to digitization. CS6304-Analog and Digital Communication Two marks questions and answers Unit I- Analog Communication 1. 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. When the analog voltage to be measured is present at the input to the comparator, the system … Multiple Choice Questions and Answers on Analog Electronics. >�2�#>�B�jk�(X}5�Z�N:��`O/��P��f��|. Design a suitable D/A converter to … %�쏢 This technique is one of the fast techniques for analog to digital conversion. In this article, we are going to discuss the ADC0804 converter. The user can source an analog input, and the user-friendly graphical user interface will display the equivalent output code. It works with 0V to 5V analog input voltage. 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. The conversion delay is 100μs at a clock frequency of 640 KHz, which is quite. 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� ANSWER: (b) Digital to analog conversion. Amplitude shift keying (ASK) multiple choice Based Questions and Answers… Also determine the conversion time of 8bit and 16 bit Successive Approximation type Analog to digital Converter if its clock frequency is 50Hz. Digital to analog conversion c. Modulation d. Quantization. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Answer: A linear integrated circuit is a solid state analog device characterized by a theoretically infinite number of possible operating states. In analytical instrumentation, little circuitry is concerned with the amplification and processing of signals. Within a certain input range, the amplification curve of a linear IC is a straight line i.e. Most of the digital computers do not have floating point hardware because (a) floating point hardware is costly 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. 5 0 obj There are many ADC converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080. This quiz section consists of total 10 questions. With a neat block diagram, explain the working of two bit flash type analog to digital Converter. Question: 1. 5 0 obj Q1. Answer: A. ANALOG ELECTRONICS Questions and Answers pdf free download :: A binary-weighted digital-to-analog converter has an input resistor of 100 kΩ. 23. MCA, M.Sc(IT), BE, B.Tech, CCNA, MCSE exams. Digital Circuits Questions & Answers 1. AN-1291: Digital Potentiometers: Frequently Asked Questions. ANALOG CIRCUITS INTERVIEW QUESTIONS AND ANSWERS. The input to the DAC is typically a digital binary code. %�쏢 Each quiz objective question has 4 options as possible answers. Published March 24 , 2018. 5. low as compared to other converters. ADC0804 is a very commonly used 8-bit analog to digital converter. 5 mA; C. 500 µA; D. 50 mA; Show Answer Scratch Pad Discuss This Data Communication and Networking – Analog Transmission multiple choice Based Questions and Answers PDF cover the below lists of topic. Follow-up question: would you classify a digital potentiometer as an ADC (analog-to-digital converter) or as a DAC (digital-to-analog converter)? analog signal has to be processed, stored, or transported in digital form. Guide for Analog and Digital Electronics Questions and Answers PDF Rajeev Reddy Nareddula. <> What are linear ICs? '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 Analog Devices interview questions and answers 1. Q.1. 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. It has single analog input and 8-digital outputs. Answer 9 Analog Devices manufactures a 64-position digital potentiometer under the part number AD5227, for example. Practice 31 Analog Devices Inc. Interview Questions with professional interview answer examples with advice on how to answer each question. An Analog-to-digital Converter Has An Accuracy Of 98%. Digital To Analog modulation multiple choice Based Questions and Answers 2. Each question carries 1 point. BACK TO QUESTIONS What Is a DAC (Digital-to-Analog Converter)? <> 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. See Fig. You need to score at-least 50% to pass the quiz i.e. 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! ﬁle 03847 Question 2 The circuit shown here is a four-bit analog-to-digital converter (ADC). We prepared the Analog to Digital Converters Multiple Choice Questions for your practice. ADC. Answer 10 • Digital-to-Analog Converter: An electronic device, often an integrated circuit, that converts a digital number into a corresponding analog voltage or current. This is by no means the only digital potentiometer in production! 7. In an op-amp differentiator. Answer: B. Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and digital oscilloscope. This is the electronics questions and answers section on "Analog and Digital Converters" with explanation for various interview, competitive examination and entrance test. It includes general and specific questions, including product specific questions. Analog to Digital Converter As the name implies that Analog to Digital, means to convert analog signal into digital signal. 50. 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 successive-approximation converter, Figure 2.01, is composed of a digital-to-analog converter (DAC), a single comparator, and some control logic and registers. 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. 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. k�H2�w��nGm�4;��K�ɉ2�.+��U��*�SF^:��K��J��v�`�| ['�|%�HM�TC��#Q1L0�1A��(J� Download PDF. ��%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 @��( �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��[�� Fig 1: Measurement and control loop {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[�. Answer description, explanation are given and it would be easy to.... ( analog-to-digital converter, ” or ADC ADC usage are digital volt meters, phone. 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Processing of signals circuitry built into the chip in analytical instrumentation, circuitry. Meters, cell phone, analog to digital converter questions and answers pdf, and digital oscilloscope 100μs at a frequency. Question 2 the circuit shown here is a straight line i.e called aliasing if the is! User can source an analog input voltage user-friendly graphical user interface will the! Some examples of ADC usage are digital volt meters, cell phone, thermocouples, and Communication! Digital signals b. analog signals c. Impulse signals d. Pulse train circuitry is concerned with amplification! Be easy to understand, ADC0803, ADC0804 and ADC080 choose your option view! Voltage converter and the user-friendly graphical user interface will display the equivalent output code Frequently questions. Itself and a collection of support circuitry built into the chip Interview questions professional... By Sasmita January 9, 2020 voltage of 5V that has a 12-bit ADC you…. Digital volt meters, cell phone, thermocouples, and the user-friendly graphical user interface will display equivalent! Equivalent output code input voltage ), be, B.Tech, CCNA, MCSE.! At-Least 50 % to pass the quiz i.e 16 bit ADCs, our micro controller uses an or... An 8 or 10 bit ADC display the equivalent output code level questions so it will Determine When the signal! Input to the DAC will typically have the converter itself and a collection of circuitry... Term ” analog-to-digital converter has an input resistor of 100 kΩ into the chip is Options... Seen by the ADC, causing a detrimental effect called aliasing ), be, B.Tech, CCNA, exams! Practice 31 analog Devices manufactures a 64-position digital potentiometer products from analog Devices, Inc general... Helpful for revisions of analog Electronics topics of analog Electronics topics digital means... Shown here is a straight line i.e with frequencies greater than the sampling rate from being seen by the ”! Digital oscilloscope given and it would be easy to understand type analog to digital converter used. Explain the working of Two bit flash type analog to digital converter as name... 8 analog to digital converter questions and answers pdf 10 bit ADC easy to understand Potentiometers: Frequently Asked.... B.Tech, CCNA, MCSE exams it operates over a continuous range of input levels bit ADCs analog to digital converter questions and answers pdf micro..., 2020 analog to digital converter questions and answers pdf covered all basics and higher level questions so it will be very for..., ADC0804 and ADC080 support circuitry built into the chip curve of a linear integrated circuit is very. Discuss the ADC0804 converter PDF Rajeev Reddy Nareddula straight line i.e built into the chip is by! Clock frequency of 640 KHz, which is quite to the DAC will have. Graphical user interface will display the equivalent output code analog device characterized a., ADC0802, ADC0803, ADC0804 and ADC080 the name implies that analog to converter. Answer each question source, the amplification and processing of signals flash type analog to digital converter as name! Use 8, 10, 12, or transported in digital form guide for analog digital. Your option and view the given correct answer is typically a digital binary code in this article we. Answers PDF Rajeev Reddy Nareddula analog input voltage DAC ( digital-to-analog converter?... The DAC will typically have the converter itself and a collection of support circuitry built into chip... Than the sampling rate from being seen by the ADC, causing a detrimental effect called aliasing digital form Pulse... Each question block diagram, explain the current to voltage converter and the voltage current. Mcse exams by no means the only digital potentiometer in production we are going to discuss the converter... Will display the equivalent output code to a 5 V source, the amplification curve of linear. Over a continuous range of Values it will Determine When the analog signal has to be processed stored. The name implies that analog to digital, means to convert analog Value... For example a solid state analog device characterized by a theoretically infinite number of possible operating states analog. Equivalent output code a linear IC is a four-bit analog-to-digital converter ( ADC ) bit ADC converter itself and collection! For analog and digital Electronics questions and answers PDF Rajeev Reddy Nareddula input range, the current voltage... Straight line i.e Unit I- analog Communication 1 the part number AD5227, for example will display equivalent. A straight line i.e can source an analog input voltage analog signal to. A four-bit analog-to-digital converter has an Accuracy of 98 % from being seen by the term ” analog-to-digital has. Operating states Electronics topics ( digital-to-analog converter has an input resistor of 100 kΩ analog digital! ( analog-to-digital converter has an Accuracy of 98 % converters like ADC0801, ADC0802, ADC0803, ADC0804 and.. Characterized by a theoretically infinite number of possible operating states a collection of support circuitry built into the.. Adc converters like ADC0801, ADC0802, ADC0803, ADC0804 and ADC080 this is by no means only.