ECE 352 Device Electronics
Homework #4: Due Tuesday, November 18, 2014
(35 points)
Problem #1: (16 points) Answer the following with a brief discussion (3-5
sentences each):
a) How does the energy for a recombination/trap center differ from that of a
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ECE 352 Device Electronics
Homework #1: Due Tuesday, September 16, 2014
(25 points)
Problem #1: (12 points) Answer the following with a brief discussion or a quick
calculation, as appropriate:
a) Define dielectric constant. What are its units and what is
ECE 352 Device Electronics
Homework #2: Due Tuesday, September 23, 2014
(35 points)
Problem #1: (16 points) Answer the following with a brief discussion (3-5
sentences each):
a) Explain Brillouin zone.
b) What is the consequence of a periodic lattice on t
ECE 352 Device Electronics
Homework #3: Due Thursday, October 30, 2014
(35 points)
Problem #1: (16 points) Answer the following with a brief discussion (3-5
sentences each):
a) Explain the dependence of carrier mobility on carrier lifetime and effective
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ECE 352 Device Electronics
Extra Credit Opportunity Due Tuesday, October 21, 2014
(10 points possible)
Select one of the following topics and write 1-2 pages (single spaced) in answer
to the questions asked. You may use text books or credible websites for
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EXAM?!
75 Min.
:15 u'IEiaintainEd in thermal equilibrium at room temperature contains
aims, 2 x 1016 lem Al atoms, 3 x 105 lcm As atoms and 3.5 x 10'ch B
. n 'ty carrier and what' 15 its density?
a. 1mm: M"P+ 341/944 Is:- z. xnr /;,.,:t
9342.? fa "
3) Determine the applied voltage, Va. _ L
1) Determine the built in voltage IW
0) Calculate the recombination (or generation) current owing through the diode atthe :
bias point;
d) Calculate the diusion current owing through the diode at the cfw_notied bl
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NAME (please print)
ECE 352 - DEVICE ELECTRONICS
Fall Semester 2003
Examination No.1
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The time for examination (Sept. 23, Tuesday) is 1 hr 15 min. Students are allowed to use one sheet of
notes. Please show yo
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ECE352 ' Exam #1 13 February 2003
Closed book, notes, one 8 x 11 sheet of paper is allowed for notes (front and back).
Show all work and include units for all numerical answers. Assume all samples are
silicon, at room temperature and in equili
1
NAME (please print) _SOLUTIONS_
2
3
ECE 352 - DEVICE ELECTRONICS
Fall Semester 2005
Examination No. 4 - Thursday, Dec. 1
4
5
The time for examination is 1 hr 15 min. Students are allowed to use 3 sheets of notes. Please show your work, partial credit ma
1
NAME (please print) _SOLUTIONS _
2
3
ECE 352 - DEVICE ELECTRONICS
Fall Semester 2005
4
5
Examination No. 3 - Tuesday, Nov. 15
The time for examination is 1 hr 15 min. Students are allowed to use 3 sheets of notes. Please show your work, partial credit m
1
NAME (please print) _SOLUTIONS_
2
3
4
ECE 352 - DEVICE ELECTRONICS
Fall Semester 2005
5
Examination No.2
The time for examination is 1 hr 15 min. Students are allowed to use 2 sheets of notes. Please show your work, partial credit may be
given. At each