explain the operation of matched filter receiverI we discussed in class, and from your background in Signal and Systems,16. (10pts) A M-ary QAM system transmits 4.8Kbps with an error rate of less than 10^-6. Thecenter frequency is 1 GHZ and the channel has a bandwidth of 4 KHz. The channelattenuates the signal by 10 dB. The noise in the channel can be modeled as AWGN with apower spectral density of 10^-7 (watts/Hz). Estimate the required transmit signal power, Ptcts) The modulation format isDAM

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Answered: explain the operation of matched filter…

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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8.a. Which of the following statements about OSNR and BER is correct?A. BER isn't related to OSNR.B. Lower BER leads to a lower OSNR.C. Higher BER leads to a higher OSNR.D. Higher BER leads to a lower OSNR.8.b. An optical signal has a strength of 2.1 mW. What's this value in dBm?A. 2.11 dBmB. 2.32 dBmC. 3.10 dBmD. 3.22 dBm
Draw the Full Duplex ASK diagram if the bandwidth is 18,000 Hz (500 to 18,500). Also find the carriers and bandwidth in both directions. Assume there is no gap between bands.
For a 4000 Hz bandwidth channel has a capacity of 40 kbps. The signal to noise ratio of the channel is ?
Matlab problem: 1) A BFSK signal is transmitted through a channel with AWGN. Generate similar BFSK received signal plots as shown below. (20 pts) BFSK for eb=1 and npower=0.01 with 500 samples BFSK for eb=1 and npower=0.1 with 500 samples 2.5 2.5 2 1.5 1 0.5 0 -0.5 -1 2 1.5 1 0.5 0.5 -1 -1.5 1.5 -1.5 -1 -0.5 0 0.5 1.5 2 2.5 -1.5 -0.5 0 0.5 1 1.5 2 2.5
Modify this circuit to extend the upper frequency limit to greater than 15 MHz. You may change the topology (i.e. configuration), but not the power supply voltage or collector bias current. The circuit voltage gain must be 46dB +/- 1 dB. Provide simulation results to show AC frequency responses of both circuits on the same plot, and annotate the 3dB upper frequency limit on both traces. Use typical ẞ values from the data sheet for the simulation. You may assume that 1% resistors are available in values below 100. The circuit must adhere to Standard Bias techniques. V4 Rser=0 SINE(0 0.02 10k) AC 1 VCC ୯ V2 +15V Cin1 1μ -VCC VCC R4 Rc1 147k 7k Q3 2N3904 R7 R6 9.09 20.5k Ce1 Re1 1.00k 10p Out
We have a baseband channel with a 1-MHz bandwidth. What is the data ratefor this channel if we use each of the following line coding schemes? a. NRZ-L b. Manchester c. MLT-3 d. 2B1Q
The question is in the picture below.
Question 2 (a) Briefly explain the advantage of the following Amplitude Modulation (AM) type and state ONE (1) application for each AM type: i. Double Sideband Full Carrier (DSBFC) ii. Double Sideband Suppressed Carrier (DSBSC) iii. Single Sideband (SSB). (b) The AM waveform for the modulated signal is illustrated in Figure 1. i. Calculate the percentage of modulation index, m. ii. State the type of the modulated signal. Justify the answer. iii. Write the equation for the modulated signal. iv. Calculate the percentage of power efficiency. 3V -1IV Figure 1
Determine the bandwidth of a narrowband FM signal which is generaled by a 4 KHz audio signal modulating is 125 MHy
A 10 MHz TXCO is driving a receiver’s front end and has a frequency deviation of 4 ppm. It drives a direct down conversion RF front-end mixing the L2 frequency. What is the frequency offset at baseband due to the TXCO?
Question 3: For single sideband (SSB) modulation a) Write the time domain equation XSSB(t). b) Explain the generation process of single sideband (SSB) signal using phase shift method. c) Sketch the block diagram of single sideband (SSB) signal generation using phase shift method and using bandpass filter and its main disadvantages. d) Explain with drawing the demodulation process of SSB signal. e) How many single sideband (SSB) stations can be accommodated in a 180 KHz bandwidth if the highest modulating signal frequency fmax is 9 KHz? f) What are the main advantages and disadvantages of single sideband (SSB) modulation compared with ordinary amplitude modulation (AM).
a) A Double-Sideband Amplitude Modulator is shown in fig. 1 V DC cos(2n x 2 x 105t) m(t) v,(1) Σ Figure 1

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