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ECET 365 Week 2 Quiz (Devry)

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<strong>ECET</strong> <strong>365</strong> <strong>Week</strong> 2 <strong>Quiz</strong> (<strong>Devry</strong>)Click Here to Buy the Tutorialhttp://www.ecet<strong>365</strong>.com/product-27-<strong>ECET</strong>-<strong>365</strong>-<strong>Week</strong>-2-<strong>Quiz</strong>For more course tutorials visitwww.ecet<strong>365</strong>.com1. Question : (TCO #5) Identify the step size for an 8-bit analog-todigitalconverter with Vref= 2.5 VDC?Student Answer:10 millivolts25 millivolts4.9 millivolts5 voltsComments:2. Question : (TCO # 5) How many steps are available with a 10-bitADC?Student Answer:101024


512256Comments:3. Question : (TCO #5) What is the cutoff frequency for a low-passfilter with a resistor R = 3000 and a capacitor C = .01 µf?Student Answer:f = 5.3 KHzf = 3300 Hzf = 120 KHzf = 6 KHzComments:4. Question : (TCO #5)A band-stop filter is a filter that _____frequencies below low-limit and above high-limit frequencies and_____ frequencies between the limits.Student Answer:blocks; blockspasses; blocksblocks; passeshas; blocksComments:5. Question : (TCO #5) A bridge with R1= 5.1 K, R2= 2 K, and R3=15 K can be at null if R4is _____.Student Answer:10.5 K


5.88 K5881 KComments:6. Question : (TCO #5) An instrumentation amplifier with two buffershas a feedback resistor of 100 K. The two resistors from the buffer'soutput to the input of the last stage OP-Amp are 1 K resistors. Voltagelevels to the non-inverting buffer inputs. Voltage levels to the noninvertingbuffer inputs are V1= .06 volt and V2= .02 volts. What isVoutof the instrumentation amplifier?Student Answer:4 Volts20.4 Volts3.3 Volts15.3 VoltsComments:7. Question : (TCO #5) An embedded system with an 8-bit analog-todigitalconverter is connected to a transducer with an output voltageof 10 millivolts. This signal is amplified by an amplifier with a gainof 25. Assume that this signal level is appropriate for the ADC input.If the reference voltage of the ADC converter is 5 volts, what will bethe output of the ADC in binary form?Student Answer:011001100011001100001101


01111011Comments:8. Question : (TCO #5) An 8-bit analog-to-digital converter hasmaximum output voltage of 2.5 VDC. What is the reference voltageto this ADC?Student Answer:2.5 VDC5 VDC1.25 VDCNone of the aboveComments:9. Question : (TCO #5) A well-behaved analog signal with afrequency of 20 kHz is being sampled. What is the samplingfrequency if frequency aliasing occurs?Student Answer:90 kHz40 kHz85 kHz60 khzComments:10. Question : (TCO #5) To model a nonlinear transducer, one can_____.Student Answer:use empirically determined nonlinear equation


use a piecewise linear systemuse a lookup table located in memoryAll of the above

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