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For more course tutorials visit<br>www.ecet310.com<br><br>ECET 310 Week 1 Homework 1_1 <br>ECET 310 Week 1 Homework 1_2 <br>ECET 310 Week 2 Assignment Homework 2_1 <br>ECET 310 Week 2 Assignment Homework 2_3 <br>ECET 310 Week 3 Assignment Homework 3_1 <br>ECET 310 Week 3 Assignment Homework 3_2 <br>
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ECET 310 ASH Course Tutorial ECET 310 Entire Course (Devry) ECET 310 Week 1 Homework 1_1 (Devry) ECET 310 Week 1 Homework 1_1 Computer Science - General Computer Science 1. Add: (a) 60 dB + 25 dB= (b) 20 dBW + 5 dBW= (c) 22 dB - 4 dB= • ECET 310 Week 1 Homework 1_1 • ECET 310 Week 1 Homework 1_2 • ECET 310 Week 2 Assignment Homework 2_1 • ECET 310 Week 2 Assignment Homework 2_3 ECET 310 Week 3 Assignment Homework 3_1 • ECET 310 Week 3 Assignment Homework 3_2 • ECET 310 Week 5 Assignment Homework 5_1 • ECET 310 Week 7 Homework 7_1
ECET 310 ASH Course Tutorial ECET 310 Week 1 Homework 1_2 (Devry) ECET 310 Week 2 Assignment Homework 2_1 (Devry) ECET 310 Week 2 Assignment Homework 2_1 Computer Science - General Computer Science 1. Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz, find (a) therms input noise levels (b) the audio output levels • 1 . Four frequencies are applied at the input of a non-linear amplifier. Write down all of the frequency components at the output of the non-linear device. Write down only the first three harmonics. • 2. Find out the frequency components at the output of a resonant-tuned circuit tuned at 1200 KHz with a bandwidth of 15 KHz and connected at the output of a non-linear amplifier (mixer).
ECET 310 ASH Course Tutorial ECET 310 Week 2 Assignment Homework 2_2 (Devry) ECET 310 Week 2 Assignment Homework 2_3 (Devry) ECET 310 Week 2 Assignment Homework 2_3 Computer Science - General Computer Science 1. The bandwidth of a series resonant circuit is 400 Hz. (a) If the resonant frequency is 4000 Hz, find Q. (b) If Ω, what is the value of XL at resonance? • 1. fCUTOFF = 130 KHz • T = 25 Sec • Draw the frequency spectrum of the output of the low pass filter. • 2. Draw the frequency spectrum of the output if the filter is: 14 marks • A high pass filter fC = 20 KHz
ECET 310 ASH Course Tutorial ECET 310 Week 3 Assignment Homework 3_2 (Devry) ECET 310 Week 3 Assignment Homework 3_1 (Devry) ECET 310 Week 3 Assignment Homework 3_1 Computer Science - General Computer Science 1. An AM signal has an unmodulated carrier voltage VC = 10VP, a load resistance of RL = 10, and a modulation index of m = 1. Determine: Modulation (a) PC = Vc2/2/2(10)= PSB =PT-PC/2= (b) Total power in the AM signal • What tools and techniques would you use to motivate your staff if you were the head of a nursing home? Would your tools and techniques differ if you were the head of a hospital?
ECET 310 ASH Course Tutorial ECET 310 Week 4 Assignment Homework 4_1 (Devry) ECET 310 Week 5 Assignment Homework 5_1 (Devry) ECET 310 Week 5 Assignment Homework 5_1 Computer Science - General Computer Science 1. Determine the Nyquist sample rate for a maximum analog input frequency of: (a) 4 KHz 10 KHz • Define FM. • 2. What parameter of the intelligence signal causes frequency deviation of the carrier? • 3. What parameter of the intelligence signal causes or determines the rate of carrier frequency deviation? • 4. Define modulation index for FM. • 5. What is the reason that FM requires wider bandwidth as compared to AM?
ECET 310 ASH Course Tutorial ECET 310 Week 6 Assignment Homework 6_1 (Devry) ECET 310 Week 7 Homework 7_1 (Devry) For a QPSK system and the given parameters, determine 2. Which system requires the highest Eb/No ratio for a probability of error of 10-7, four-level QAM or 8-PSK system? 3. Determine the minimum bandwidth required to achieve a P(e) of 10-4 for a 16-PSK system operating at 25 Mbps with a carrier-to-noise ratio of 10 dB • 1. For a 64-PSK modulator with an input data rate(fb) equal to 36 Mbps and a carrier frequency of 100 MHz, determine the minimum double-sided Nyquist bandwidth(fN) and the baud. Sketch the output spectrum. • 2. Determine the bandwidth efficiency for the following modulators: • (a) QPSK = • (b) 64-QPSK = • (c) 128-QAM=
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