Problem#1:A signal x, (1) =10*ʻ TI(10ʻt) is applied at the input of the channel that has the transfer functionH(S ) =TI/ /20,000).a) Find and sketch X1(n, and Y1(f) . Use the FT table in neededb) What is the bandwidth of the input?c) Is the channel distortionless? Elaborate your answer.Indicate the important values in your sketch.x; (t )→ y (1) = y ,(t)y;(t)X; (1)h,(t)アュ()

A signal x1(t)=104∏(104t)is applied at the input of a channel that has transfer function…

A signal x,(1 ) =10ʻ II(10ʻ4) is applied at the input of the channel that has the transfer function H(S ) =TI / 20,000). a) Find and sketch X1), and Y1() . Use the FT table in needed b) What is the bandwidth of the input? c) Is the channel distortionless? Elaborate your answer. Indicate the important values in your sketch. 1 (t)

A signal x,(1 ) =10ʻ II(10ʻ4) is applied at the input of the channel that has the transfer function H(S ) =TI / 20,000). a) Find and sketch X1), and Y1() . Use the FT table in needed b) What is the bandwidth of the input? c) Is the channel distortionless? Elaborate your answer. Indicate the important values in your sketch. 1 (t)

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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A filter is provided with a cascaded differential amplifier. The midband gain and noise coefficient of the filter are given as −3 dB and 3 dB, respectively.According to this,a) If it is known that the amplifier gain is ?1= 20 dB and the noise coefficient is ?1= 2 dB, calculate the midband gain for the entire cascaded system. Give your answers in dB
a. A communication network has a bandwidth of 10 kHz. Calculate the signal-to-noise ratio in dB if the capacity of the channel for a 100Kbps b. A communications channel with a bandwidth of 4kHz has a signal power to noise ratio of 7. Determine the Channel Capacity. c. The bandwidth in b above is reduced by 25%. How much should the signal power be increased to maintain the same channel capacity?
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i) A communication system employs a continuous source. The channel noise is white and Gaussian. The bandwidth of the source output is 10 MHz and signal to noise power ratio at the receiver is 100. (a) Determine the channel capacity. (b) If the signal to noise ratio drops to 10, how much bandwidth is needed to achieve the same channel capacity as in (a). (c) If the bandwidth is decreased to 1 MHz, what S/N ratio is required to maintain the same channel capacity as in (a).
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Problem 1 The transistor parameters for the given circuit are β = 100, VBE (on) = 0.7 V, and VA = ∞. Determine the midband gain AvM, corner frequencies fL and fH, and bandwidth BW of the given amplifier. Problem 2 Determine the corner frequencies and limiting horizontal asymptotes of a commonemitter amplifier with an emitter bypass capacitor. For the given circuit, RE = 4 kΩ, RC = 2 kΩ, RS = 0.5 kΩ, CE = 1 μF, V + = 5 V, and V − = −5 V. The transistor parameters are: β = 100, VBE(on) = 0.7 V, and ro = ∞.
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