Introductions Teams Course Website Labs and Supplies Problem Solving Format Units/Variables Homework Observation Exercise What s next

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1 Introductions Teams Course Website Labs and Supplies Problem Solving Format Units/Variables Homework Observation Exercise What s next

2 TA Introductions Maryamsadat (Maryam) Shokrekhodaei Graduate Student INTRODUCTIONS Alejandro Martinez-Acosta Graduate Student Manuel Martinez Graduate Student Hector Mota-Aguilar- Undergraduate Student Zenait Lopez Gallegos Undergraduate Student Daniel Rios Undergraduate Student

3 SUPPLY TABLE Teams Tuesday 1:30 pm Lab (18537) Meshal Luis Natalia Alfredo Christopher Abdallah Geovanni Xavier Paulo Edward Marco Sebastian Justin Maria Alexis Gerardo Bryan Jose TEAM 1 TEAM 2 TEAM 3 TEAM 4 Ashley INSTRUCTOR: Najera TAs: Maryam, Alejandro, Manuel TEAM 5

4 SUPPLY TABLE Teams Thursday 10:30 am Lab (18395) Pedro Osama Jesus Keith Donald Miguelangel Ulises Bryant Richard Nina Saul Younes Jorge Oscar Beltran Jasmine Phillip Oscar Urbina Dhari Jose TEAM 1 TEAM 2 TEAM 3 TEAM 4 Abdulaziz INSTRUCTOR: Najera TAs: Hector, Zenait, Daniel TEAM 5

5 SUPPLY TABLE Teams Thursday 1:30 pm Lab (15698) Juan Miguel Erandi Derick German Dante Clayton TEAM 1 TEAM 2 TEAM 3 TEAM 4 INSTRUCTOR: NAJERA TAs: Maryam, Alejandro, Manuel TEAM 5

6 SUPPLY TABLE Teams Monday am Lab (11672) Acosta, Javier Alvarez Grajeda, Jorge A. Arellano, Javier A. Cardenas, Gilbert Diaz, Ceasar M. Elwir, Hasan S. Espejo, Daniel A. Estrada, Alexis Jensen, Lee M. Marmolejo, Cristian R. Rivera, Adriana Rodriguez, Ricardo Sanchez, Rudy Velasco, Julian A. Arellano, Javier A. TEAM 1 TEAM 2 TEAM 3 TEAM 4 INSTRUCTOR: QUINONES TAs: Zenait, Maryam, Manuel TEAM 5

7 SUPPLY TABLE Teams Wednesday 1:30 pm Lab (12886) Aguilera, Irak A. Baray, Arthur M. Corona, Christophe r Ortega Jauregui, Kevin E. Almutairi, Abdullah Bell, Carl J. Duran, Francisco J. Rios, Emilio E. Casas, Juan D. Huerta, Christian B. Rodriguez, Elias Almutairi, Majed M.. Alrefae, Abdulrahm an A. Ceballos, Enrique Leyva, Candy A TEAM 1 TEAM 2 TEAM 3 TEAM 4 INSTRUCTOR: QUINONES TAs: Hector*, Maryam, Manuel TEAM 5

8 Course Website Labs Resources (Syllabus/Schedule, Course Materials/Supplies, Lab Report Resources, KVL/KCL Tutorials, Equation Sheets, Soldering Tips) Lectures (power points for all lectures) Homework Assignments Contacts

9 SUPPLIES: DIGILENT Need by January 29 th Analog Discovery 2 ($279 $179 discount)

10 SUPPLIES: DIGIKEY Need by week of Sept 10 th 1 wire stripper (1) 2 breadboards (2) 3 header pin strips (3 with 36 pins) 4 trimmer pot (2) 5 Op-Amp (2) 6 AND Gate (2) 7 Instrumentation Amplifier (2) TOTAL COST: $ TAX & DELIVERY

11 Software Waveforms download for free from Digilent Note: you cannot open Waveforms unless your Analog Discovery is connected to your laptop/pc. MATLAB

12 Connecting Analog Discovery to Waveforms To install Waveforms on your computer follow this link for the 2015 version: Once you have installed Waveforms on your computer, connect your Analog Discovery device to your computer and open Waveforms. You should see this in the bottom side of Waveforms: The serial number on your device will be different, just make sure that your device is recognized in Waveforms.

13 Supplies/Hardware/Software MATLAB is available for immediate use on my.apps.utep.edu ETC will install software for you in E351, 3 rd floor between the Engineering Building and the Classroom Building. MATLAB takes about 25 to 60 minutes to install, depending on the laptop, and uses 9GB of space. MATLAB needed by next week s Lab, please bring laptop to class.

14 Scheduled Labs Labs meet every week except for Thanksgiving Break MONDAY TUESDAY WED THURSDAY FRIDAY 10:30 am 1:20 pm LAB-Q LAB-N :30 pm 4:20 pm LAB-N LAB-Q LAB-N 15698

15 Open Labs Will begin Week of Sep 3 rd MONDAY TUESDAY WED THURSDAY FRIDAY 10:30 am 1:20 pm OPEN LAB OPEN LAB 1:30 pm 4:20 pm OPEN LAB 4:30 pm 7:00pm OPEN LAB OPEN LAB OPEN LAB OPEN LAB Week of Aug 27 th Sign up for a Soldering Session to make Power Supply (any Lab or Open Lab) Week of Sep 3 rd Complete Session Power Supply Week of Oct 1 st First module begins (8 total modules) Note: You only need to sign up for 1 soldering session and should complete your power supply during this session (1.5 hours)

16 Weekly Schedule MONDAY TUESDAY WED THURSDAY FRIDAY 10:30 am 1:20 pm LAB (Q) Zenait* Maryam Manuel OPEN LAB Zenait Maryam LECTURE (N) OPEN LAB Zenait Alejandro LAB (N) Daniel* Hector Zenait LECTURE (Q) 1:30 pm 4:20 pm OPEN LAB Alejandro Hector LAB (N) Manuel* Alejandro Maryam LAB (Q) Hector* Maryam Manuel LAB (N) Maryam* Alejandro* Manuel 4:30 pm 7:00 pm OPEN LAB Manuel Daniel OPEN LAB Hector Daniel OPEN LAB Daniel Alejandro OPEN LAB Hector Zenait ALL LABS IN E301E

17 Lab Modules (9-10) Power Supply Angle Sensor Strain Gauge I Strain Gauge II EKG Oxygen Sensor Glucose Sensor Blood Pressure Sensor Ballistocardiograph Ultrasonic Sensor

18 10 minute break

19 COMMUNICATE WITH TA s AND INSTRUCTOR COMMUNICATE WITH TEAM MEMBERS Problem Solving Methodology HOW DO WE SOLVE COMPLEX ENGINEERING PROBLEMS? UNDERSTAND PROBLEM: WRITE PROBLEM STATEMENT/PROCESS GATHER INFORMATION TO SOLVE PROBLEM: DATA/UNIT CONV DEVELOP/IDENTIFY STRAGEDY TO SOLVE PROBLEM: UNIT ANALYSIS SET UP SOLUTION AND SOLVE PROBLEM: ATTEMPT SOLUTION CHECK SOLUTION: VARIOUS METHODS, DOES IT MAKE SENSE

20 Unit Analysis Source:

21 Problem Solving You will follow these steps for all calculations: 1. Write QUESTION/PROBLEM STATEMENT. 2. Write original EQUATION. 3. SOLVE for desired variable 4. Substitute VALUES and UNITS 5. Add the necessary UNIT CONVERSIONS 6. CANCEL OUT unit conversions and IDENTIFY units left. 7. CONFIRM units 8. CALCULATE answer and UNDERLINE solution.

22 Problem Solving Format HEADING PROBLEM STATEMENT EE 1305 Name Group #/Name Date Problem Statement ADD UNIT CONVERSTIONS AND FIGURES SET UP CALCULATION AND /OR SOLVE FOR DESIRED VARIABLE Equations/Unit Conv Solution/Calculations Answer Figures/Circuits INDICATE SOLUTION

23 Variables, Units and Symbols Variable Symbol Unit Symbol Current I Amp A Voltage V Volt V Resistance R Ohm Resistivity Ohm-cm -cm Capacitance C Farad F Frequency f Hertz Hz Inductance or Complex Impedance Z Ohm Inductance L Henry H Time t Second s Length l, d Meter, Centimeter, etc. m, cm, km, nm, etc Force F Newton N Energy E Joule J = N m Power P Watt W = J/s

24 SI Prefix Unit Conversions SI Prefixes Pico (p) Nano (n) 10-9 Micro ( ) 10-6 Milli (m) 10-3 Centi (c) 10-2 Kilo (k) 10 3 Mega (M) 10 6 Giga (G) 10 9 Tera (T) Unit Conversions - Length pm 1 m 10 9 nm 1 m 10 6 m 1 m 10 3 mm 1 m 10 2 cm 1 m 1 km 10 3 m 1 Mm 10 6 m 1 Gm 10 9 m 1 Tm m In this course, we will be using prefixes routinely for current (A), resistance ( ), Capacitance (F), frequency (Hz), and time (s)

25 Other Unit Conversions Ohms Law Voltage (Volt) V A V = IR Capacitance F (Farad) F C/V Frequency Hz (Hertz) Hz 1/s f = 1/ Force N (Newton) N kgm/s 2 F = ma Energy J (Joule) J N m E = F x d Power W (Watt) W J/s P = E/t Potential Potential (Volt) V J/C V = P.E./q Energy Electron Volt (ev) 1 ev 1.6 x J Direct Conversions

26 Constants Constant Value Units Charge (q) 1.6 x C coulombs Pi None Mass of Electron in vacuum (m o ) 9.11 x kg kilogram Permittivity of Free Space ( o ) 8.85 x F/cm farad/centimeter Speed of Light (c) 3.0 x 10 8 m/s meters/second

27 Equations Type of Equation Ohm s Law Resistvity Parallel Resistors Series Resistors 1 Equation V = IR R = ρl A = ρl πr 2 R eq = 1 R R R n Req = R 1 + R 2 + R 3 + Rn Power P = IV = V R 1 V = V 2 R 1 = (IR 1) 2 R 1 = I 2 R 1 Voltage Divider v i = v s R i R eq KCL N n=1 I n = 0 Sum of Currents entering node = 0 KVL N n=1 V n = 0 Sum of Voltage Drops around a loop = 0 Kinetic Energy (any particle) Electric Field 1 2 mv2 E = F/q

28 Unit Conversions EXAMPLE UNIT CONVERSION BETWEEN OHMS AND KILO-OHMS 10 3 = 1k DIVIDE BOTH SIDES BY 1K k = 1k 1k k = 1k 1k CAN NOW USE THIS RATIO TO CONVERT BETWEEN OHMS AND KILO-OHMS k = 1

29 Introduction to Units: Example HEADING EE 1305 Name Group #/Name Date PROBLEM STATEMENT ADD UNIT CONVERSTIONS AND FIGURES The oxide thickness of a MOSFET transistor is equal to 2.5 nm. Determine the thickness in units of cm Equations/Unit Conv Figures/Circuits 10 9 nm = 1 m 10 2 cm = 1 m None SET UP CALCULATION AND /OR SOLVE FOR DESIRED VARIABLE Calculations Oxide Thickness = 2.5 nm 1m 10 9 nm 10 2 cm 1 m = 2.5 x 10 7 cm INDICATE SOLUTION Solution Oxide Thick ness = 2.5 x 10 7 cm

30 Introduction to Units: Team Practice HEADING EE 1305 Name Group #/Name Date PROBLEM STATEMENT ADD UNIT CONVERSTIONS AND FIGURES Si has a band gap of 1.12 ev. Convert this value to units of pj. Equations/Unit Conv Figures/Circuits 1.6 x J = 1 ev None pj = 1 J SET UP CALCULATION AND /OR SOLVE FOR DESIRED VARIABLE Calculations Silicon Bandgap =? INDICATE SOLUTION Solution Silicon Bandgap =?

31 Introduction to Units: Team Practice HEADING PROBLEM STATEMENT ADD UNIT CONVERSTIONS AND FIGURES SET UP CALCULATION AND /OR SOLVE FOR DESIRED VARIABLE EE 1305 Name Group #/Name Date The speed of light is 3 x 10 8 m/s. How many minutes does it take the Sun s light to reach the Earth if the distance from the Sun to the Earth is x 10 7 miles. Equations/Unit Conv Figures/Circuits 5280 ft = 1 mi 60 s = 1 min v = d/t Calculations ft = 1 m Time to reach the Earth =? None INDICATE SOLUTION Solution Time to reach the Earth =?

32 Introduction to Units: Team Practice HEADING PROBLEM STATEMENT ADD UNIT CONVERSTIONS AND FIGURES SET UP CALCULATION AND /OR SOLVE FOR DESIRED VARIABLE EE 1305 Name Group #/Name Date Ohm s Law relates the current flowing through a resistor to the voltage drop across the resistor and the resistance of current flow through the resistor material. Therefore, the current is directly proportional to the resistance and inversely proportional to the resistance or V = IR or I = V/R. Determine the current flowing through a resistor in units of ma if the voltage drop across the resistor is 4.98 V and the resistance is k. Show ALL units and unit conversions. Include the unit conversion V = A Equations/Unit Conv Figures/Circuits V = IR V = A Calculations 1 A = 10 3 ma 10 3 = 1 k The current =? INDICATE SOLUTION Solution The current =?

33 Homework SUCCESS POINTS: ATTEND EVERY LAB AND LECTURE IN ORDER TO BE SUCCESSFUL COMMUNICATE WITH INSTRUCTOR AND TA IF SOMETHING PREVENTS YOU ATTENDING LAB OR LECTURE!!! Purchase Lab Supplies (by week of 9/10 th ) and Install MATLAB on laptop (by week of 9/3 rd ) Purchase Engineering Paper and bring to lab and lecture Complete P1 and P2 from Homework Problem List Return Syllabus Acknowledgement Form - next Lab (25 pts) Note: Lab Supply Instructions, Syllabus and Schedule, Lectures, Lab Modules, and Homework Problem List is on Course Website. Explore and become familiar with website content.

34 Observation Exercise Slide 24 of this presentation includes tables with. The supplies for this class should be purchased by the week of.

35 What s next? LAB (week of 9/3) Power Supply Attend any lab or open lab (Max 8) LECTURE (Week of 9/3) Unit Conversions con t Series and Parallel Resistors Circuit Tutor

36 Questions?

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