ECET 310 DEVRY professional tutor / ecet310dotcom

1. ECET 310 DEVRY professionaltutor / ecet310dotcom

2. ECET 310 DEVRY professional tutor • 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 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 Entire Course (Devry) ECET 310 Week 1 Homework 1_1 (Devry)

3. ECET 310 DEVRY professional tutor • ECET 310 Week 1 Homework 1_2 • Computer Science - General Computer Science • 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. • 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 ECET 310 Week 1 Homework 1_2 (Devry) ECET 310 Week 2 Assignment Homework 2_1 (Devry)

4. ECET 310 DEVRY professional tutor • 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 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? ECET 310 Week 2 Assignment Homework 2_2 (Devry) ECET 310 Week 2 Assignment Homework 2_3 (Devry)

5. ECET 310 DEVRY professional tutor • 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 • ECET 310 Week 3 Assignment Homework 3_2 • Computer Science - General Computer Science • 1. Draw the frequency spectrum at the output of the first balanced modulator. • 2. If the filter is a low pass filter, draw the frequency spectrum at the output of the filter and amplifier ECET 310 Week 3 Assignment Homework 3_1 (Devry) ECET 310 Week 3 Assignment Homework 3_2 (Devry)

6. ECET 310 DEVRY professional tutor • 1. 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? • 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 ECET 310 Week 4 Assignment Homework 4_1 (Devry) ECET 310 Week 5 Assignment Homework 5_1 (Devry)

7. ECET 310 DEVRY professional tutor • 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. • ECET 310 Week 7 Homework 7_1 • Computer Science - General Computer Science • 1. For a QPSK system and the given parameters, determine ECET 310 Week 6 Assignment Homework 6_1 (Devry) ECET 310 Week 7 Homework 7_1 (Devry)

8. ECET 310 DEVRY professional tutor