ECET 310 Invent Yourself/newtonhelp.com

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ECET 310 Invent Yourself/newtonhelp.com
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ECET 310 Invent Yourself/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 ECET
310 Week 2 Assignment Homework 2_3 ECET 310 Week
3 Assignment Homework 3_1
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ECET 310 Invent Yourself/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
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ECET 310 Invent Yourself/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. 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).
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ECET 310 Invent Yourself/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  (a)  therms input noise levels   (b)  the
audio output levels  
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ECET 310 Invent Yourself/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
  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  
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ECET 310 Invent Yourself/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. (b)  If O, what is the value of XL at
resonance? Find the inductance L and capacitance
C of the circuit.
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ECET 310 Invent Yourself/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 Modulation (a)  PC  Vc2/2/2(10)   
  PSB  PT-PC/2  (b)  Total power in the AM
signal
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ECET 310 Invent Yourself/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 3. Draw
the frequency spectrum at the output of the
second balanced modulator.
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ECET 310 Invent Yourself/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? 3.         What
parameter of the intelligence signal causes or
determines the rate of carrier frequency
deviation? 4.         Define modulation index for
FM.
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ECET 310 Invent Yourself/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 2. Determine the dynamic range for a 10-bit
sign-magnitude PCM code. 3. Determine the minimum
number of bits required in a PCM code for a
dynamic range of 80 dB. What is the coding
efficiency?
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ECET 310 Invent Yourself/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.  2.           
Determine the bandwidth efficiency for the
following modulators (a)                QPSK    
                            
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ECET 310 Invent Yourself/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? 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
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ECET 310 Invent Yourself/newtonhelp.com