ECE 2100
Fundamentals of Engineering Electronics
Spring 2003
I will be in my office Friday afternoon (5/9)

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arnstolp@ece.utah.edu

Class is now over.
Posted grades.
I will be in my office Friday afternoon (5/9)

Buh'dea, buh'dea, buh'dea, dat's all folks...

Problem Sessions:
   W,  11:50 - 12:40 am, WBB 212 (tall brick geology building)
   F,  10:45 - 11:35 am, MEB 1208 (by SW entrance)


Unless specified otherwise, problems come from: Microelectronic Circuits, 4th Ed. by Sedra & Smith
Note: Numbers refer to problems at the end of the chapter, Ex refers to exercises within the chapter.  Answers not given below are in the back of your book.
 
Homework Assignment Answers Due
0  hw00a_S03.pdf   not handed in
1 Ch. 1: 3 (Problem 1.3 on p.49)
Ex1.3 (Exercises 1.3 on p.6) You do not have to mathematically verify that the two approaches are equivalent, as long as you get percentages that approach 100%.
Ch. 1: 9 Hint: use N=3 see if the expressions work 
Ch. 1: 10		 3c) 0.1Vsin(1000t)   3d) 100mVsin(6283t) 9c) 10 bits,  4.89 mV M, 1/13/03
2 Ch 1:  11, 13, 14, 18, 19, Exercises: Ex1.4, Ex1.15  13) 24mW     14) 0.092V     18 last part) 0.5W   19) 0.826,  0.0098, A, 75.13 F, 1/17
3 From: Nilsson Electric Circuits, 6th Ed. 
              Read sections 14.6 & 14.7 (p.736) 
              Problem 14.33 (p.768 refers to p.687)
              Drill 14.12, 14.13 (p.747) 
 From: Sedra & Smith, problem 1.42 		  SemilogPaper.pdf

(ans 14.12b: 100krad/sec)

 W, 1/22
4 Ch 1:  34, 37, 43, Exercises: 2.1, 2.2, 2.4, 2.5 see 1/17/01 lecture notes for help and hints   F, 1/24
5 Ch 2: problems 6, 8a-e, 10, 15, Ex2.6 - Ex2.9 Ans: 6: -1, -3.00V, -2.7V to -3.3V W, 1/29
6 Ex2.10 - Ex2.16, problems 2.22,  2.30 Ex2.15  angle = arctan(wCR/-1)-arctan(wCR/1) F, 1/31
7 Problems 2.37, 2.39 (use standard resistor values, 
possibly in series or parallel), 2.49, 2.64, 2.69, 2.73bc, Design a schmitt trigger. Power supplies: 12V & 0V.  Op amp outputs 11V (high) or 1V (low).  Output goes high if input goes under 3V.  Output goes low if input goes above 4V.  R1 = 10kW.
Ex2.17 - Ex2.20		 R2 = 27kW, Rf = 68kW. W, 2/5
8 Ex2.21 - Ex2.26, problems 2.78, 2.84, 2.95    DO HW #8 BEFORE EXAM 1!   F, 2/7
9 Ch. 3, Ex3.1 - Ex3.5, Repeat Ex3.1 - Ex3.5 using the 0.7V drop model of the diode. Ex3.4c book ans. right as they've defined + & -.  As nodal volatge, should be: -5V W, 2/12
10 Handout (corrected) 2. -8V,    8. 0mA  13.75mA  2.75V,  10. 14mA,  16. should refer to 15 - not 11 F, 2/14 
11 hw11_S03.pdf Answers are OK, but it helps if you include IL in the calculation. F, 2/21
12 hw12_S03.pdf  Also incudes Spice assignment   M 2/24
13 Ex3.10 - 12,  Problems 3.32, 3.34, 3.35 Answer 3.32 Jp=8.64x10-8 A/cm3
3.35: ND = 9.3x1017/cm3		 M, 3/3
READ SECTION 3.3 in textbook    
14 Ex3.13 - 15 Ex3.15 Dp and Dn units given are wrong. F, 3/7
15 prob. 4.2, Ex. 4.1 - 4.7    Assume VT = 25mV
Note for Fig. 4.8: iB should flow out of transistor		 4.2 b = 368,122,24.2,  W, 3/12
16 hw15_16_S03.pdf 2.c) use b = 150 instead of 160 F, 3/14
17 hw17_S03.pdf 1.e) 27.3 W W, 3/26
S2 Spice Project S2, see table below    was: F, 4/4
now: M, 4/7
18 hw18_S03.pdf   F, 3/28
19 hw19_20_S03.pdf   W, 4/2
20 See handout above, or Ex4.45, Ex4.46, Problems 4.120, 4.119, The transistor of HW 19, problem 1 has Cp = 11pF, Cm = 2pF & 1pF of stray capacitance between the base & collector, find fCH due to these.  4.120  ro||[(rm+rp)/(b+1)]
last problem  1.82MHz		 was: M, 4/7
now: W, 4/9
21 Ex5.1 - Ex5.8  ans: Ex5.7: VSB=4V, iD=0.182mA, ro=578ohm F, 4/11
22 Ex. 5.9 - 5.16,   Check assumptions, esp saturation on 15 & 16   W, 4/16
23 Ex5.17 - Ex5.23   F, 4/18
S3 Spice_S3_S03.pdf   F, 4/18
OK to F, 4/25
24 Ex5.24 - Ex5.34 Ex5.28, book answers are correct
May need for Ex5.33:  VDD= 5V, Vtn= 0.8V		 M, 4/21
OK to F, 4/25
25 Ex5.35 - Ex5.39   W, 4/23
OK to F, 4/25
26 Ex5.40 - Ex5.48
Cancelled		 In Ex 5.40, Find VGS for each transistor, assume VDS is small, find rds for each and place in parallel to find Rswitch.  Use voltage divider to find vo.
b) -1.935V, 1.67kW		 Cancelled

Spice software:
    Windows software: PSpice 9.1 Student Version download page
    Linux Schematics capture for Spice3, HSpice, or Titan: SpiceCad
    Another link to Linux Spice program Spice3
    Interesting links
    Links to other sources: http://www.et1.tu-harburg.de/private/kb/download.html
    http://www.newwaveinstruments.com/resources/rf_microwave_resources/sections/spice_pspice_download_tutorial_model_library.htm
    Also: Look on the disks that came with your ECE 1000/2000 textbook and with our textbook.
PSpice 9.1 is available on computers in the lab, but regular labs take priority.
PSpice 9.1 is also available in the 1st floor computers lab in EMCB 130.  Look under "class software".
Spice Projects Software sources shown above Due
 S1 Like Ex3.33, See hw 12 handout,  hw12_S03.pdf  W, 3/5/03
  Step by step instructions: Introduction to PSpice 9.1  
  Step by step instructions: Introduction to PSpice 9.2  
 S2 Like Lab 9, Spice_S2_S03.pdf was: F, 4/4
now: M, 4/7
  Spice project S2 help (handed out in class): Spice_S2_help_S03.pdf  
  Spice project S2 example of what to hand in: PSpiceCE_exmpl.pdf & Spice_S2_netlist.htm  
S3  Spice_S3_S03.pdf F, 4/18

 
Notes Download file(s)
 DC Review Notes  Notes_DCa_S03.pdf  Notes_DCb_S03.pdf
 Bode Plots  Notes_Bode_Ex_S03.pdf
 Power Supplies  Notes_Pwr_S03.pdf
 Diode Physics (The Simple Version)  Diode_phy_simp.pdf
 Semiconductor Physics Notes (Scanned version with hand-drawn arrows and lines)  SemiPhysNotesScanned.pdf
     Semiconductor Physics Notes (No hand-draw arrows and lines)  SemiPhysNotes.pdf
     Semiconductor Physics Notes (MathCAD file)  SemiPhysb.MCD
MOSFETs  Notes_Mos01_S03.pdf

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 The exams below are in a shortened form, with no cover page and no room to work the problems.
Final Exam Study Help Download file(s)
 Final given Spring 2002  Final_S02.pdf  (corrected -.7V to -.3V in answers)
 Final  given Spring 2001  Final_S01.pdf  (corrected PJFET curves)
 Final  given Spring 2000  Final_S00.pdf
All of the above in one zip file  Finals_all.zip
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Homework Return: Find a grader or Lab TA in the lab at the following times
Grader / Lab TAs Available
 Andy Laraway In lab: W, 2:00 - 3:00 pm & F, 11:50 - 3:50 pm
 Greg Hill In lab: W, 7:30 - 8:30 am & W, 3:05 - 6:05 pm 
 Chakradhar Talluri In lab: W, 1:00 - 2:00 pm & H, 7:30 - 10:30 am & H, 2:00 - 5:00 pm
  Note: At lab times TAs will attend to lab students first.
Lab TA  
 Zafeer Mohamed In lab: T, 7:30 - 10:30 am


Comments?
arnstolp@ece.utah.edu