EET TOPICS: ATTEMPT 1

Due No due date Points 150 Questions 25 Available until Jun 27 at 1:59am Time Limit 120 Minutes INSTRUCTIONS ATTEMPT HISTORY Attempt Time Score LATEST Attempt 1 32 minutes 132 out of 150 Score for this quiz: 132 out of 150 Submitted May 28 at 4:12pm This attempt took 32 minutes. ***READ BEFORE CONTINUING*** While it is not required, we strongly recommend that you complete the EET Topics practice test before taking Attempt #1. This exam has 25 pooled multiple choice questions that cover EET Topics, subject area (CO 6). Remember that the exam passing score is 60%. If your score is less than 60% ,then please review the challenging material before moving on to Attempt #2. Two hours has been allotted for the exam. Remember to submit your exam when you are finished. Good luck! By submitting this work, I am attesting that it abides by the Student Honor Code. 6 / 6 pts Question 1 (TCO 6) The Noise Figure of a LNA is 4.5 dB. What is the equivalent noise temperature of this amplifier? 527&#-80;K Correct! 290&#-80;K 435&#-80;K 666.66 Hz 2 kHz 1333.3 Hz See Stanley and Jeffords, Electronic Communications: Principles and Systems, page 412. 6 / 6 pts Question 2 (TCO 6) What is the third harmonic frequency of the waveform shown in the figure below?