ECET 310 Motivated Minds/newtonhelp.com

1
ECET 310 Motivated Minds/newtonhelp.com
2
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Entire Course
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• ECET 310 Week 1 Homework 1_1
• ECET 310 Week 1 Homework 1_2
• ECET 310 Week 2 Assignment Homework 2_1

3
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 1 Homework 1_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• Computer Science - General Computer Science
• 1.  Add
• (a)  60 dB    25 dB
• (b)  20 dBW   5 dBW

4
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 1 Homework 1_2
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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.

5
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 2 Assignment Homework 2_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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 

6
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 2 Assignment Homework 2_2
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 1.   fCUTOFF 130 KHz
• Sec?            T 25
•  

7
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 2 Assignment Homework 2_3
•  
• For more course tutorials visit
•  
• www.newtonhelp.com
•  
• 1.  The bandwidth of a series resonant circuit is
  400 Hz.
• (a)  If the resonant frequency is 4000 Hz, find Q.

8
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 3 Assignment Homework 3_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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

9
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 3 Assignment Homework 3_2
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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

10
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 4 Assignment Homework 4_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 1.         Define FM.
• 2.         What parameter of the intelligence
  signal causes frequency deviation of the carrier?

11
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 5 Assignment Homework 5_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 1.  Determine the Nyquist sample rate for a
  maximum analog input frequency of
• (a)  4 KHz
• 10 KHz

12
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 6 Assignment Homework 6_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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. 

13
ECET 310 Motivated Minds/newtonhelp.com

• ECET 310 Week 7 Homework 7_1
•  
• For more course tutorials visit
• www.newtonhelp.com
•  
• 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?

14
ECET 310 Motivated Minds/newtonhelp.com