Digital Systems (12th Edition)

Chapter 11

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The function of a transducer is to convert a non ... more

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ADC stands for Analog to Digital converter. As the... more

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The digital data that is processed by an ADC is ... more

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DAC stands for Digital to Analog converter. As the... more

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An actuator is in charge of manipulating a ... more

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; The formula to calculate percentage resolution ... more

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4096 ; The formula to calculate the number of ... more

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The formula to calculate percentage resolution of ... more

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The use of a smaller resolution in DAC produces a ... more

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Binary weighted resistor type DACs have a large ... more

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; The values of each resistance of a six bit ... more

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Increase by 20 percent. ; The formula to calculate... more

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The maximum deviation of DAC’s output from its ... more

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When the digital input for a DAC changes from 0 to... more

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A small constant value which is either positive or... more

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Because of the response time of the op-amp used in... more

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When a computer bus is connected to multiple tri-... more

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The WR line on the AD7524 provides an enable ... more

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The ranges over both negative and positive ... more

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The three applications of DAC are :For controlling... more

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Drift - Due to some external factors like aging or... more

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The ADC has one digital output, two analogue ... more

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In an ADC, the output of the register displays the... more

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End-of-conversion is represented by signal. Also... more

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In the digital-ramp ADC a binary counter is used ... more

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The output voltage follows a staircase wave ... more

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For a larger , more steps are required to obtain ... more

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Let ADC have a full-scale input of (i.e., ) and ... more

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Digital ramp ADC is a simple circuit;Digital ramp ... more

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for both cases ; The formula to calculate the ... more

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Different points on an analog signal, known as ... more

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A microcomputer is connected to a digital-ramp ADC... more

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The input signal has twice the maximum frequency... more

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There will be Aliasing on the output waveform. ; ... more

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1. Small conversion time.2. Conversion time is ... more

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SAC has more complex control logic. ; SAADC (... more

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The successive-approximation converters (SACs) ... more

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A -bit flash ADC consists of a voltage divider ... more

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comparators: 4095Resistors: 4096. ; The formula to... more

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Advantage: faster conversion speed; Disadvantage: ... more

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Finest resolutions of the analog input. ; In a ... more

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VCO ; The voltage-to-frequency ADC uses a VCO ... more

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Advantages: cost is low and independent on ... more

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Voltage-to-frequency ADC, dual-slope ADC and flash... more

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Sigma/delta A/D converters have high resolutions ... more

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The dual-slope integrating A/D converters have low... more

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The applications of pipelined ADCs are mentioned ... more

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A S/H circuit consists of two unity gain buffers, ... more

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The amplifiers in an S/H circuit are voltage ... more

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Uses a single ADC. ; A multiplexing technique is ... more

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It would become a MOD-8 counter. ; To multiplex ... more

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DSP is known as Digital Signal Processing.The ... more

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Analog to digital converter ; A source of digital ... more

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It operates on low frequencies.No need to change ... more

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Multiply and Accumulate (MAC) unit ; The central ... more

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The main three applications of analog interfacing ... more

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; Convert the given eight bit binary number ... more

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Least Significant Bit: 20 mV,Other bits: 40 mV, 80... more

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and ; Convert the eight bit binary number ... more

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; The formula to calculate the full scale value ... more

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; Consider the Resolution value as .The formula ... more

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and ; From the given waveform, it is clear that ... more

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It is due to the temporary states of the counter, ... more

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The motor will rotate at 250.061 rpm when the ... more

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, and ; Write the formula to calculate the number ... more

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; No ; The formula to calculate the value of is .... more

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The current IC fabrication technology is not ... more

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mV is not within specifications. ; The formula to... more

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reset, pulses, counter,  zero, HIGH, LOW, enabled... more

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The difference in the two values of was smaller ... more

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The counter would keep counting indefinitely ... more

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The range of to ; Convert the binary number into ... more

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; For the given figure, the operation starts  ... more

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; The conversion time in successive approximation... more

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; The formula to calculate the resolution is , ... more

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When the switch is stuck closed, the output ... more

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Yes; and to the ground, ( to ) of converter to ... more

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The term MAC stands for multiply and accumulate... more

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, ; To convert from binary number to decimal ... more

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; The original value of in the given circuit is... more

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The microcontroller port [7...0] is connected to [... more

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; The formula to calculate the number of steps ... more

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; Yes ; The formula to calculate the absolute ... more

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The difference between the actual input and ideal ... more

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The difference in each of the inputs is less than ... more

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The staircase incremented in the pattern of 0,2,1,... more

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Choice (a):The digital-ramp ADC only produces a ... more

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