Ift 372 - Study guides, Class notes & Summaries

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes + Midterm Multisource with complete solution

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes +Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct a...

IFT 372 WIRELESS COMMUNICATION - HELM - QUIZ 1-7 + MIDTERM + LECTURE ACTIVITIES QUESTIONS AND ANSWERS GRADED A+

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes +Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct a...

IFT 372 WIRELESS COMMUNICATION - HELM - QUIZ 1-7 + MIDTERM + LECTURE ACTIVITIES VERIFIED ANSWERS GRADED A+

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes + Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct a...

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes + Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct a...

ASU IFT 372 Fall 2023 Helm Weeks 1-7 Quizzes + Midterm Multisource with complete solution What is a logarithm? Correct answer: A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? Correct answer: Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) Correct answer: log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? Correct a...

1. A continuous-spectrum baseband signal has a spectrum extending from 3 kHz to 8 kHz. It is applied as one input to an ideal balanced modulator. The carrier input is a sinusoid having a frequency of 100 kHz. (a) Determine the range of frequencies contained in the DSB output spectrum. (b) Determine the required transmission bandwidth for an AM modulated system. a. This spectrum ranges from 3-8kHz. fc = 100kHz Lowest frequency = 100kHz – 8kHz = 92kHz Highest frequency = 100kHz + 8kHz = 108...

1. Given that a repeater is 25 km from a transmitter sending data at a frequency of 1800 MHz, what is the path loss between the transmitter and repeater? a. 125.5 dB b. 132.0 dB c. 130.5 dB d. None of these L dB=20∗log (f )+20∗log(d )−147.56 dB 20∗log (1800∗106)+20log(25∗103)−147.56 dB ≈ 125.5 dB 2. Short term fading is caused mainly by terrain configurations and the built environment. True False 3. What is the power level entering the first active stage of the receiver...