HW #1
ECE 351
Due: January 29th
Spring 2014
1) Consider the coaxial TL shown below. The parameters of the TL are L = 0.8
H/m, C = 320 pF/m, G = 0 S/m and R = 0 /m. The source is operating at =
6x106 rad/s. If the frequency is 970 KHz determine the charact
ECE 351
ELECTROMAGNETICS
EXPERIMENT EM2
FREQUENCY DEPENDENCE OF COMPONENTS
OBJECTIVE:
This experiment demonstrates that the characteristics
of passive components depend on frequency.
EQUIPMENT:
Agilent 4395A Network/Spectrum/Impedance Analyzer
Agilent 439
Homework 5  ECE 351
Due: March 24th at 5 p.m.
1) Determine the electric potential at the origin in freespace due to four charges of 20 MC each
located at the corners of a square in the Xy plane and whose center is at the origin. The square
has sides of
ECE 320  Homework #5
AC to DC Converters, DC to DC Converters. Due Monday February 13th, 2017
AC to DC Converter.
L
V1
V2
2Vpp
20Vp
60 Hz
20sin(377t)
+
0.5Vpp
C
Load
1000

1) Find L and C so that
V1 has a ripple of 2Vpp and
V2 has a ripple of 0.5Vpp
For
ECE 320  Homework #3
pn junction, Diode VI characteristics, Ideal Diodes. Due Monday January 30th, 2017
Problem 12) Use the following circuit:
200
10V
+

+
Vd

Id
1) Determine the voltage and current through the diode for the following circuit assumin
ECE 320  Homework #1
EE 206 Review. Due Wednesday, January 18th, 2017
1) Determine the resistance between notes A and B
200
100
300
A
100
200
B
Problem 1
Starting on the right:
300 + 300 + 300 = 900 Ohms
900  200 = 163.63 Ohms
200 + 163.63 + 200 = 563.6
ECE 320  Homework #2
Phasors Review. Due Monday January 23rd, 2017
1a) Convert the following circuit to phasor notation
0.5 H
j0
y(t)
j188.5
15+j0
+
100
15 + 2 sin(377t)

0j2
Phasor Representation of Circuit at w = 0 (red) and w = 377 (blue)
1b) Solve
Homework 4  ECE 351
Due: March 10th at 5 p.m.
1) Given the two points, C(3,2,1) and D(r=5, = 20o , = 70o ), nd: (a) the spherical coordinates
of C; (b) the rectangular coordinates of D; (c) the distance from C to D.
2) Transform the following vectors to
Homework 6  ECE 351
Due: April 30th
1) Given the function A = 2 /4z , calculate the total magnetic ux crossing the surface = /2,
a
1 2 m and 0 z 5 m. Note that the total ux can be computed using = B dS and
B = A.
z
surface
S
5m
1m 2m
y
x
Figure 1. Diag
Homework 5  ECE 351
Due: March 24th at 5 p.m.
1) Determine the electric potential at the origin in freespace due to four charges of 20 C each
located at the corners of a square in the xy plane and whose center is at the origin. The square
has sides of
Homework 3  ECE 351
Due: February 14th
1) A 60 (Zo = 60) lossless transmission line is terminated with a load impedance ZL = 75+j25.
Use the Smith Chart to nd:
a)
b) s
c) zmin and zmax
d) Zin if the TL is 5.2 long
e) Yin
2) A 50 (Zo = 50) lossless trans
ECE 351
ELECTROMAGNETICS
EXPERIMENT EM3
INTRODUCTION TO THE NETWORK ANALYZER
OBJECTIVE: The objective to this experiment is to introduce the student to some of
the capabilities of a vector network analyzer.
EQUIPMENT:
QUANTITY
1
2
2
1
1
3
2
1
DESCRIPTION
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x)
Homework 4 ECE 351
Due: March 10th at 5 pm.
1) Given the two points, C(3,2,1) and D(r=5, (9 = 20", gb = 70°), nd: (a) the spherical coordinates
of C; (b) the rectangular coordinates of D; (c) the distance from
ECE 351
EXPERIMENT EM4
THE SPECTRUM ANALYZER AND
SPECTRAL CONTENT
OBJECTIVE:
The purpose of this experiment is to introduce the
student to the spectrum analyzer and to demonstrate
the activity in the radio spectrum that can be
observed with the spectrum a
Homework 2  Modied  ECE 351
Due: February 10th
1) Design a 60 printed microstrip transmission line on a grounded 5880 Rogers RT/Duroid
substrate. Please use the online calculators for computing the dimensions. Also, determine the
amount of phase introdu