355) A R-2R resistive ladder network provides a simple means of converting digital voltage signals into an equivalent analogue output. What is the disadvantage of a DAC with binary weighted resistors? For a 4-bit DAC, the resolution will be 16. The digital data is represented, stored and transmitted as group of binary bits. In this type of code, each digit/symbol position of the number signifies a specific weight. 41) It is 8+4bit segmented. What is the resolution of a 4-bit DAC? So = 1, 51 = 1, 52 =0 50 =1, 51 = 0, 52 =1 QUESTION 14 Which gate can be used to generate the complement of a signal? What is the disadvantage of the DAC with binary.docx - What is the disadvantage of the DAC with binary-weighted inputs? Why the switches used in weighted resistor DAC are of single pole double throw (SPDT) type? The website cannot function properly without these cookies. tricks about electronics- to your inbox. Didn't find what you are looking for? When the switches are closed the respective currents are flowing through resistors as shown in the circuit diagram above. To find out whether he actually does, complete his conversation with the receptionist at the Hotel Las, The speed of a wave is the frequency multiplied by the wavelength. Ukraine, (+ What is the disadvantage of binary weighted type digital to analogue converter? Saudi Arabia, (+ Welcome To Fatskills Join 3 million+ people from around the world who have taken an online quiz to test and improve their basic knowledge of a subject. 46) Unclassified cookies are cookies that we are in the process of classifying, together with the providers of individual cookies. How To Make Simple Clap Switch: Circuit, Working? Bangladesh, (+ Requires low switch resistances in transistors. Increasing the resolution decreases the step size between the output levels that lead to smooth and precise analog output. Q. A).Multiplexer B).Decoder C).Adder D).Flip-Flop Advantages of Binary Code. As the number of bit increases, the range of resistance value increases. How far is Helsinki from the Arctic Circle? We saw in our tutorial section aboutOperational Amplifiersthat an inverting amplifier uses negative feedback to reduce its open-loop gain, AOLand does so by feeding back a fraction of its output signal back to the input. What is the main disadvantage of weighted resistor DAC? Nepal, (+ Richelieu currently has 240 litres of the mold inhibitor on hand and 300 litres of the UV blocking Linhart owned shares of stock in First National Bank. What is the disadvantage of binary weighted type DAC? 880) Answer: A Clarification: For better resolution of output, the input binary word length has to be increased. Your email address will not be published. 1) What is the disadvantage of binary weighted type DAC? Multiple key Press Detector What is the advantage of R 2R ladder DAC over the DAC that uses binary weighted resistors? For a 5 bit resistive divider network the weight assigned to MSB is. a) Require wide range of resistors Hence resolution is limited to 8-bit size. CMOS inverter is used as SPDT switch in resistor DAC and is connected to the op-amp line. Analytics cookies help website owners to understand how visitors interact with websites by collecting and reporting information anonymously. Mauritius, (+ d) None of the mentioned Binary Weighted Resistor DAC consists of an inverting amplifier op-amp and a string of weighted resistors to distinguish each bit starting from LSB to MSB position. United Arab Emirates, (+ Draw the analog output. 3. 1,724. A CMOS 8-bit binary type current steering Digital to Analog Converter DAC with dynamic random return to zero technique to improve dynamic performance is presented in this paper. Maldives, (+ Then we can see that VOUTis given as VINmultiplied by the closed-loop Gain (ACL), which is determined by the ratio of the feedback resistance, RFto the input resistance, RIN. 234) 348) Which of the following is a concern when using CMOS type devices? Maldives, (+ Raspberry Pi Ultrasonic Sensor HC-SR04 Interface Tutorial. So if we set the D input resistance at 1k, the C input resistance at 2k (that is the double of D), the B input resistance at 4k (double C), and the A input resistance at 8k (double B), with the feedback resistance RFset again at 1k, then the transfer characteristic of the 4-bit binary weighted digital-to-analogue converter would be: So we can see that if a TTL voltage of +5 volts (logic 1) is applied to the summing amplifiers input, VDwhich represents the most significant bit (MSB), the op-amps gain will be RF/R4= 1k/1k = 1 (unity). By clicking Agree & join, you agree to the Study24x7 - Ralph Waldo Emerson The Simple Project 2022. Bahrain, (+ 33) View Answer, 2. 960) 966) View Answer, 11. The resolution of this simple 8-4-2-1 binary weighted digital-to-analogue converter will produce an output voltage change of 0.625 volts per 1-bit change in the binary number, and we can express this output voltage change in the following table. online quizzes, practice tests & study guides. 82) 233) For 10 digit converter 968) 968) Estimate the area spanned by the windmill's blades (in meters2). So by altering the values of either RFor RINwe can change the closed-loop gain of the op-amp and therefore the value of VOUT(IF*Rf) for a given input signal. South Africa, (+ d) 18.43M 358) A Digital to Analog Converter commonly referred as DAC, D/A or D2A is a device that converts binary values (0s and 1s) to a set of continuous analog voltages. Please report any error in Fatskills quizzes and questions to 'simpleversity at gmail.com'Without work one finishes nothing. 1) Power dissipation of Binary weighted Resistors Circuit is very high. 49) 1) iv) The finite resistance of the switches distrubs the current particulary in MSB Posn where the current setting resistors are small in value, Submit question paper solutions and earn money. 268) Nigeria, (+ that is, the resistors are binary weighted. Discrete Voltage Comparison A/D converter MCQs. The binary-weighted DAC has quite a large gap between LSB and MSB resistors values and requires a very precise value of resistors. 234) 44) What is the disadvantage of the DAC with binary-weighted.get 7 Accounting Financial Accounting Cost Management Managerial Accounting Advanced Accounting Auditing Accounting - Others Accounting Concepts and Principles Taxation Accounting Information System Accounting Equation Financial Analysis Managerial Accounting - Decision Making 268) 45) b) Vo= -RF [(b2/R) +(b1/2R) +(b0/4R)]. /*

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