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ECET 310 Course Career Path Begins /ecet310dotcom

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ECET 310 Entire Course (Devry)

ECET 310 Week 1 Homework 1_1 (Devry)

- 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 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=
- 2. Convert:
- (a) 65 W into dB =
- (b) 10 dB into watts

ECET 310 Week 1 Homework 1_2 (Devry)

ECET 310 Week 2 Assignment Homework 2_1 (Devry)

- 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

ECET 310 Week 2 Assignment Homework 2_2 (Devry)

ECET 310 Week 2 Assignment Homework 2_3 (Devry)

- 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?
- Find the inductance L and capacitance C of the circuit.=

ECET 310 Week 3 Assignment Homework 3_1 (Devry)

ECET 310 Week 3 Assignment Homework 3_2 (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=

- 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 4 Assignment Homework 4_1 (Devry)

ECET 310 Week 5 Assignment Homework 5_1 (Devry)

- 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?
- 4. Define modulation index for FM.
- 5. What is the reason that FM requires wider bandwidth as compared to AM?

- 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
- 2. Determine the dynamic range for a 10-bit sign-magnitude PCM code.

ECET 310 Week 6 Assignment Homework 6_1 (Devry)

ECET 310 Week 7 Homework 7_1 (Devry)

- 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 =

- ECET 310 Week 7 Homework 7_1
- Computer Science - General Computer Science
- 1. 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

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