Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
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Chapter 18, Problem 65P
To determine
Find the Nyquist rate of the sampler of the voice signal.
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Q1: Draw the froquency spectrum of an analog signal to be converted into a digital signal ( maximum
Frequency equal to SKH2 ) if
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A power of a signal is 10 watts and the power of noise is 1 microwatts.
What is the SNR (signal-to-noise ratio)?
ii. What is the SNR in decibel (dB)
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Chapter 18 Solutions
Fundamentals of Electric Circuits
Ch. 18.2 - Prob. 1PPCh. 18.2 - Prob. 2PPCh. 18.2 - Prob. 3PPCh. 18.3 - Prob. 5PPCh. 18.3 - Prob. 6PPCh. 18.4 - Prob. 7PPCh. 18.4 - Prob. 8PPCh. 18.5 - (a) Calculate the total energy absorbed by a 1-...Ch. 18.5 - Prob. 10PPCh. 18.8 - If a 2-MHz carrier is modulated by a 4-kHz...
Ch. 18.8 - Prob. 12PPCh. 18 - Prob. 1RQCh. 18 - Prob. 2RQCh. 18 - The inverse Fourier transform of ej2+j is (a) e2t...Ch. 18 - Prob. 4RQCh. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - Prob. 7RQCh. 18 - Prob. 8RQCh. 18 - A unit step current is applied through a 1-H...Ch. 18 - Prob. 10RQCh. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10PCh. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 14PCh. 18 - Prob. 15PCh. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Given that F=Fft, prove the following results,...Ch. 18 - Prob. 19PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - For a linear system with input x(t) and output...Ch. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 49PCh. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - Prob. 53PCh. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Prob. 57PCh. 18 - Prob. 58PCh. 18 - Prob. 59PCh. 18 - Prob. 60PCh. 18 - Prob. 61PCh. 18 - Prob. 62PCh. 18 - Prob. 63PCh. 18 - Prob. 64PCh. 18 - Prob. 65PCh. 18 - Prob. 66PCh. 18 - Given a signal g(t) = sinc(200 t), find the...Ch. 18 - Prob. 68CPCh. 18 - Prob. 69CP
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- swer the questions quecly please Digital signal processingarrow_forwardAn analog signal x(t) has frequency components ranging from 300 Hz to 4 kHz. If the signal is to be sampled at Nyquist's rate, then what will be the value of the sampling frequency?arrow_forwardThe frequency of an analog signal is 23 MHz. What is the minimum sampling frequency for representing it in digital form, according to the Nyquist theorem? Explain with the help of a diagram what happens if Nyquist theorem is not obeyed.arrow_forward
- 4. A signal with power 7 mW is distorted by noise with power 0.002 mW. What is the signal to noise ratio (SNR) in dB?arrow_forwardTranslate 1.- Find the signal flow graph from the following block diagram. 2.- Encuentre la función de transferencia C/R, mediante el uso dela fórmula de ganancia de Mason.arrow_forwardWhat is the relationship between the analog signal frequency F and the digital signal frequency f? (T is the period of the sampling period)a. F = f * Tb. F = F * Tc. No connectiond. Nothing is rightarrow_forward
- 3b.The bandwidth of a video signal is 4.5 MHz This signal is to be transmitted using Pulse Code Modulation with the number of quantization levels Q = 1024. The sampling rate should be a certain percentage higher than the Nyquist rate. How best would you analyze the system bit rate to enable transmission of the video signal? Choose your own percentage raging between 20% and 50%. 3c. In digital communication it is said that Analog information sources can be transformed into digital sources through what is described as what. In one page discuss the method and process.arrow_forwardASAP It is a type of diode where it operates as a variable resistor when heated. Your answer What is the modulation index in ideal condition of AM. Your answer A form of AM where a sideband is filtered after its carrier is eliminated. Your answer What is the form of AM that used to transmit video signals of the TV system? Your answer It is a circuit in the superheterodyne receiver that adds and subtracts the frequencies of the AM signal and the local oscillator frequency. It is the extent to which the amplitude of the carrier wave is varied by modulating wave.arrow_forwardTwo "different" signals with the same sampling interval have the same sample values and z-transformations Describe / explain the situation schematically.arrow_forward
- In real recording situations there are multiple devices that each have their own sampling rate. An audio file's sample rate is determined by the set up's lowest quality (smallest) sampling rate. Examine these recording set ups and determine the Nyquist frequency of the resulting digital file: Set up 1: 1. A microphone with a sampling rate of 48,000HZ 2. An audio processor with a sampling rate of 41,000HZ 3. What is this set up's Nyquist Frequency: Set up 2: 1. A speaker with a sampling rate of 46,050HZ 2. A microphone with a sampling rate of 12,000HZ 3. What is this set up's Nyquist Frequency: Set up 3: 1. A speaker with a sampling rate of 4,000HZ 2. A microphone with a sampling rate of 48,000HZ 3. An audio processor with a sampling rate of 41,000HZ 4. What is this set up's Nyquist Frequency:arrow_forwardThe power of a signal is 10 mW and the power of the noise is 1 μW; what are the values of SNR and SNRdB ?arrow_forwardState Nyquist's sampling theoremarrow_forward
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Nyquist 1 - what is a Nyquist diagram?; Author: John Rossiter;https://www.youtube.com/watch?v=mgIvOk9JGKY;License: Standard Youtube License