Q1/A/ In your city: one station is work between (15-30) GHz, Design filter that pass up to 300MHZ. B/ Fill the blanks with suitable words? 1- Correlation is- 2-Bandwidth IS- 3-Signal is but in communication system means 4-Input transducer used to --while, transmitter used to ---but, output transducer used to ------

Q1/A/ In your city: one station is work between (15-30) GHz, Design filter that pass up to 300MHZ. B/ Fill the blanks with suitable words? 1- Correlation is- 2-Bandwidth IS- 3-Signal is but in communication system means 4-Input transducer used to --while, transmitter used to ---but, output transducer used to ------

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

For the causal discrete-time LTI system implemented using thedifference equation y[n] =-0.25y[n-1]+0.15y[n-2]+4x[n]+0,25x[n-1] where x[n] is the input signal, and y[n] is the output signal. a) Draw the direct form-II block diagram of the system. b) Find the transfer function of the system, H(z). c) Sketch the pole-zero diagram and indicate the ROC. Determine if the Fouriertransform of the system H(ejw) exists. If the Fourier transform exists, write H(ejw).
A given FM transmitter is modulated with a single sinusoid, the output for no load power is 100W into50Ω resistive load. Then, the frequency of the modulating signal is carefully adjusted from zero untilthe modulated carrier encountered its zero amplitude as observed in spectrum analyzer. Under theseconditions, determine the: (Use the provided Bessel table)a. the modulation index and the number of significant sideband. b. total power on its significant sidebands. c. relative total power of the carrier and each of sideband. Ans. (a) Mf =2.4, N=5; (b) 99.86 W; b Pc=0W, P1=27.04W, P2=18.49W, P3=4W,
Briefly explain the behavior of the transfer function of an ideal low-pass filter with a bandwidth of 2ωc in Fourier domain, i.e explain how H(w) of an ideal low pass filter with a bandwidth of 2ωc is.
A signal given by m(t) = 3cos(20πx103t) frequencymodulates a 1MHz carrier signal to produce a frequency deviation of 40KHz. Assume the carrier amplitude is 5V. a) Determine the modulation index. b) Write the time domain expression for the resulting FM signal ΦFM(t). c) What is the bandwidth of the signal.
What is the bandwidth of an AM signal whose carrier is 2.1 MHz modulated by a 1.5-kHz square wave with significant harmonics up to the fifth? Calculate all the upper and lower sidebands produced. (Our lesson is AMPLITUDE MODULATION FUNDAMENTALS)
Question-1) Since a = 9 in the signal whose frequency domain amplitude spectrum is given below, when 7,938 MHz is substituted for f in the fourier transform Xs(f) of the sampled state of this signal, which is sampled with a minimum sampling frequency of 12.69 MHz (in Xs(7.938) MHz) ) find the obtained amplitude value.(Note-1: Do not show the effect of sampling frequency fs in your answer. That is, do not multiply the amplitude value by fs.) NOTE: If the information in the text and the photo is different, please solve the question using the information given in the photo. Please help urgently.
4. A single sideband signal is derived from a sinusoidal carrier of 100kHz and audiofrequencies between 6kHz and 10kHz. In this situation, the upper sideband wouldextend from:a 106kHz to 110kHzb 210kHz to 216kHzc 90kHz to 94kHzd 6kHz to 10kHz 5. A BFO:a extracts the lower sideband from a DSB transmission.b generates a signal that is exactly twice the frequency of the system carrier wave.c generates a sinewave of constant frequency.d allows FM signals to be demodulated on an AM broadcast receiver
An FM signal, eFM = 50 sin [2π(800k)t - 4 sin 2π(5k)t] is produced by a frequency modulator with -500Hz/V frequency deviation constant. Determine (a)Determine the equation of the carrier signal (b) What is the equation of the modulating signal (c) Determine the approximate bandwidth of the FM signal (use Carson’s Approximation)
The carrier c(t) = 100 cos(2πft) is frequency modulated (FM) by the message signal m(t) = 5 cos( 20000πt), where f.= 100MHz. The peak-frequency deviation is 20 kHz. The modulated signal is a wide-band FM.1. Determine the amplitude and frequency of all signal components that have a power level of at least 10% of the power of the unmodulated carrier component.2. From Carson's rule, determine the approximate bandwidth of the FM signal.
4. short answers a. What is the effective antenna area of an antenna at 2500 MHz, if the gain is 13 dBi. b. For a WCDMA handset with 7 dB noise figure and 5 MHz effective noise bandwidth, calculate the noise floor in dBm. c. An NBA basketball player is close to 2 meters tall, and an “Umpa-Lumpa” from the movie “Willie Wonka” is 0.5 meters tall. Assuming 2-ray propagation model, what is the ratio of the signal strength received by the two people? d. Consider a 12-km microwave link with 15 meter towers at both ends, calculate the minimum frequency in GHz, such the first Fresnel zone does not intersect the ground? Assume that the ground is flat between the towers.
A given FM transmitter is modulated with a single sinusoid, the output for no load power is 100W into 50Ω resistive load. Then, the frequency of the modulating signal is carefully adjusted from zero until the modulated carrier encountered its zero amplitude as observed in spectrum analyzer. Under these conditions, determine the: (Use the provided Bessel table) a. the modulation index and the number of significant sideband b. total power on its significant sidebands. c. relative total power of the carrier and each of sideband. Ans. (a) Mf =2.4, N=5; (b) 99.86 W; b Pc=0W, P1=27.04W, P2=18.49W, P3=4W, P4=0.36W, P5=0.04W
If the bandwidth of the signal m(t) is B, which is the most bandwidth-efficient? Which oneis the least bandwidth-efficient? Briefly explain WHY? (a) Single sideband suppressed carrier (SSB-SC)(b) Vestigial sideband amplitude modulation (VSB)(c) Phase Modulation (PM)(d) Double sideband suppressed carrier (DSB-SC)