10)The envelope of the output signal of a radar system that is receiving only noiseis a random voltage X whose pdf is given by:fx (x) = xe/2The system gets a false target detection if X exceed a threshold level v volts. Tomake the probability of false detection 0.001, then v > ?a. In(1000) Voltsb. 2 ln(1000) Voltsc. VIn(1000) Voltsd. V2 In(1000) Volts

Answered: Image /qna-images/answer/14c03280-79e9-4ad1-b002-cc8844a475a0.jpg

Answered: 10) The envelope of the output signal…

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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1. A 1500-kHz carrier and kHz intelligence signal are combined in a nonlin-ear device. List all the frequency components produced. *2. If a 1500-kHz radio wave is modulated by a 2-kHz sine-wave tone, what frequencies are contained in the modulated wave (the actual AM signal)? *3. If a carrier is amplitude-modulated, what causes the sideband frequencies? *4. What determines the bandwidth of emission for an AM transmission? *10. What are some of the possible results of overmodulation? *11. An unmodulated carrier is 300 V p-p. Calculate %m when its maximum p-p value reaches 400, 500, and 600 V. (33.3%, 66.7%, 100%) 12. If V and V as shown in Figure 8, determine %m. (53.85%) 13. Determine and from Problem 12. ( Vpk, Vpk)
The maximum peak to peak value of an AM wave is 40 volts and its frequency is 83000000. The peak to peak value of the modulating signal is 9volts and its frequency is 46000. If it is transmitted through an antenna with an internal resistance of 128ohms, Find the following: modulation index m percentage modulation %m Amplitude of carrier Vc [ Total power Pt Carrier power Pc Power in side bands Psb, Power in upper side band Pusb Total transmitted current It Carrier current lci
I want to design a superheterodyne receiver with an IF frequency of 10MHZ to receive a frequency band of 20MHZ to 40MHZ. (a)Find the frequency range of the receiver local oscillator (b)Find the video frequency when the carrier frequency is 40 MHz (c)Briefly describe how the video channel of the video frequency mentioned in (b) can be reduced or eliminated.
2 (AM) A 10 V amplitude sinusoidal signal is used as a modulating signal to generate an AM signal with modulation index 0.8. What is the amplitude of the carrier? What is the power of the side bands? What is the efficiency of the modulated signal?
The maximum peak to peak value of an AM wave is 56 volts and its frequency is 93000000. The peak to peak value of the modulating signal is 18volts and its frequency is 71000. If it is transmitted through an antenna with an internal resistance of 108ohms, Find the following: 1. modulation index m [ 2. percentage modulation %m [CTL. 3. Amplitude of carrier Vc [1 4. Total power Pt [C 5. Carrier power Pc [G 6. Power in side bands Psb [C 7. Power in upper side band Pusb Marks] 8. Total transmitted current It 9. Carrier current Ic . L.
Figure 1 shows the AM waveform envelope generated with a carrier frequency of 20 kHz and a modulating frequency of 1 kHz. 0.5 -0.5 -1.5 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 Time, seconds x 10 Figure 1: Plot of AM Waveform. Determine: i) Modulation index. ii) Carrier signal equation. iii) Information signal equation. iv) Sketch the frequency spectrum of the AM signal. v) Bandwidth of the signal. vi) Total power of the signal, given the resistance is 50 2. AM Signal, V
A 75 MHz carrier having an amplitude of 50 V is modulated by a 3 kHz audio signal that has an amplitude of 20 V. a. Sketch the audio signal. b. Sketch the carrier. c. Construct the modulated wave. For a, b and c - label your diagram d. Determine the modulation factor. e. What frequencies would show up in a spectrum analysis of the modulated wave? f. Write trigonometric equations for the carrier and the modulating waves. Kindly answer a-f. Please have mercy. Thanks!
Question 3 a) For a single-frequency sine wave modulating signal of 3 kHz with a carrier frequency of 36 MHz, what is the spacing between sidebands? b) A carrier of 49 MHz is frequency-modulated by a 1.5-kHz square wave. The modulation index is 0.25. Sketch the spectrum of the resulting signal. (Assume only harmonics less than the sixth are passed by the system.)
discuss how the information signal is recovered from an FM signal using slope detector
Explain through equations what happen if there is a phase error θc between the transmitted QPSK signal and local (replica) carrier signals in coherent QPSKdemodulator. Then what happen if θc=90o
The maximum peak to peak value of an AM wave is 40 volts and its frequency is 83000000. The peak to peak value of the modulating signal is 9volts and its frequency is 46000. If it is transmitted through an antenna with an internal resistance of 128ohms, Find the following: 1. modulation index m 2. percentage modulation %m 3. Amplitude of carrier Vc 4. Total power Pt 5. Carrier power Pc ( 6. Power in side bands Psb 7. Power in upper side band Pusb 8. Total transmitted current It 9. Camer current ic
For a superheterodyne receiver, the intermediate frequency is 15 MHz and the local oscillator frequency is 3.5 GHz. If the frequency of the received signal is greater than the local oscillator frequency, then the image frequency (in MHz) is........…...

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