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ECT263 Week 1 Quizading SummaryThese are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below.Date Taken:5/5/2016Time Spent:05 min , 38 secsPoints Received:20 / 20 (100%)Question Type:# Of Questions:# Correct:Multiple Choice44Grade Details - All QuestionsQuestion 1.Question :(TCO 1) The following response curve would be produced by what kind of filter?Student Answer:Low-passHigh-passBand-passBand-rejectInstructor Explanation:A low-pass filter is one where low frequencies are passed having a maximum output while high frequencies are blocked having minimum output.Points Received:5 of 5Comments:Question 2.Question :(TCO 1) Calculate the wavelength of a 950KHz carrier signal.Student Answer:337m316m273m216mInstructor Explanation:Points Received:5 of 5
Comments:Question 3.Question :(TCO 1) Which of the following would be a linear device?Student Answer:A diodeA resistorA transistor biased class CNone of the aboveInstructor Explanation:Of the choices offered, only resistors have a linear transfer function between voltage and current. That is, for example, doubling the voltage across a resistor will exactly double the current. Tripling the voltage will triple the current, and so on. Diodes and class C transistors do not have a linear correspondence between voltage and current.Frequency on the y-axisVoltage on the x-axisFrequency on the x-axisExplanation:A spectrum analyzer displays a graph of voltage as a function of frequency. Voltage is displayed on the vertical (y) axis while frequency is on the horizontal (x) axis.Points Received:5 of 5Comments:Question 4.Question :(TCO 1) A spectrum analyzer displays what?Student Answer:Time on the x-axis.Instructor Points Received:5 of 5Comments:* Times are displayed in (GMT-07:00) Mountain Time (US & Canada)ECT263 Week 2 QuizGrading Summary
These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below.Date Taken:5/13/2016Time Spent:25 min , 35 secsPoints Received:12 / 30 (40%)Question Type:# Of Questions:# Correct:Multiple Choice52Grade Details - All QuestionsQuestion 1.Question :(TCO 2) Referring to the diagram below, which block is the carrier oscillator?Student Answer:UWXYInstructor Explanation:Modulation is the process of combining a high frequency(carrier) and a low frequency(modulation signal) into a nonlinear mixer. Because Y is the amplifier for modulation signal, V must be the amplifier for carrier(U).Points Received:6 of 6Comments: