ECET 310 Education for Service--snaptutorial.com

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ECET 310 Education for Service--snaptutorial.com
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Entire Course   For more classes
visit www.snaptutorial.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
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Week 1 Homework 1_1   For more classes
visit www.snaptutorial.com   Computer Science -
General Computer Science 1. Add (a) 60 dB
25 dB (b) 20 dBW 5 dBW (c) 22 dB - 4 dB
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Week 1 Homework 1_2   For more classes
visit www.snaptutorial.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 Education for Service--snaptutorial.com
ECET 310 Week 2 Assignment Homework 2_1   For
more classes visit www.snaptutorial.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 the rms output noise levels
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Week 2 Assignment Homework 2_2   For
more classes visit www.snaptutorial.com   1.
fCUTOFF 130 KHz T 25 ? Sec Draw
the frequency spectrum of the output of the low
pass filter.
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Week 2 Assignment Homework 2_3   For
more classes visit www.snaptutorial.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 Education for Service--snaptutorial.com
ECET 310 Week 3 Assignment Homework 3_1   For
more classes visit www.snaptutorial.com   . An
AM signal has an unmodulated carrier voltage VC
10VP, a load resistance of RL 10, and a
modulation index of m 1. Determine Modulatio
n (a) PC Vc2/2/2(10) PSB PT-PC/2
(b) Total power in the AM signal
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Week 3 Assignment Homework 3_2   For
more classes visit www.snaptutorial.com   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 Education for Service--snaptutorial.com
ECET 310 Week 4 Assignment Homework 4_1   For
more classes visit www.snaptutorial.com   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? 6. What characteristics
of FM signal are shown by Bessel Function
Solution of FM signal?
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ECET 310 Education for Service--snaptutorial.com
ECET 310 Week 5 Assignment Homework 5_1 For more
classes visit   www.snaptutorial.com   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 Education for Service--snaptutorial.com
ECET 310 Week 6 Assignment Homework 6_1   For
more classes visit www.snaptutorial.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 Education for Service--snaptutorial.com
ECET 310 Week 7 Homework 7_1 For more classes
visit www.snaptutorial.com   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 Education for Service--snaptutorial.com