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Welcome to 6.007 – Applied Electromagnetics From Motors to Lasers What
Welcome to 6.007 – Applied Electromagnetics From Motors to Lasers What
Welcome to 6.007 – Applied Electromagnetics From Motors to Lasers What
Welcome to 6.007 – Applied Electromagnetics From Motors to Lasers What
iPhone Technical Specifications Operating System: OS X Memory: 4gb or
iPhone Technical Specifications Operating System: OS X Memory: 4gb or
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
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E
E
E
E
E
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
E
E
E
E
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E
E
E
Liquid Crystal Display (LCD) and Touch Panel
Liquid Crystal Display (LCD) and Touch Panel
Accelerometers
Accelerometers
Accelerometer
Accelerometer
Accelerometer
Accelerometer
Accelerometer
Accelerometer
Accelerometer
Accelerometer
Accelerometers are Everywhere
Accelerometers are Everywhere
Capacitors in the iPhone
Capacitors in the iPhone
Liquid Crystal Displays
Liquid Crystal Displays
Liquid Crystal Displays
Liquid Crystal Displays
Liquid Crystal Displays
Liquid Crystal Displays
E
E
E
E
E
E
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
Nexus One: Organic LED Display
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Photodiode Imagers
CMOS Imagers: Color Filters
CMOS Imagers: Color Filters
CMOS Imagers: Color Filters
CMOS Imagers: Color Filters
CMOS Imagers: Color Filters
CMOS Imagers: Color Filters
Capacitors in the iPhone
Capacitors in the iPhone
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
MOSFET: Transistor in a Nutshell
Erased ‘1’
Erased ‘1’
Erased ‘1’
Erased ‘1’
Erased ‘1’
Erased ‘1’
Erased ‘1’
Erased ‘1’
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
Capacitors in the iPhone
iPhone Components
iPhone Components
Inductors in the iPhone
Inductors in the iPhone
Inductors in the iPhone
Inductors in the iPhone
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Magnetometers
Course Details
Course Details
Energy Conversion in the iPhone
Energy Conversion in the iPhone
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Welcome to 6.007 – Applied Electromagnetics From Motors to Lasers

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1Welcome to 6.007 – Applied 22Three Big Ideas in 6.007.
Electromagnetics From Motors to Lasers MECHANICAL–TO–ELECTRICAL ENERGY CONVERSION
What is inside an iPhone ? INTERACTION OF LIGHT AND MATERIALS QUANTUM
2iPhone Technical Specifications MECHANICAL TUNNELING.
Operating System: OS X Memory: 4gb or 8gb 23iPhone Components. 6.007 Concepts.
versions available Processor: 32-bit, 620 Touchpad. Capacitors. Display. Lights,
MHz core Muliti-Touch Display: 3.5 inch Waveguides, Filters. Memory Card SIM. QM
480 x 320-pixel HVGA resolution,160 dpi Tunneling Phenomena. Camera. Light
Wireless: Quad-band (850,900,1800,1900 Absorption, Photodetectors. Battery.
MHz), WiFi (802.11b/g), EDGE, Bluetooth Chemical Energy Conversion / Storage.
2.0+EDR Digital Camera: 2.0 mega pixels Antennas. EM waves. Accelerometer,
with 1200x1600 resolution Battery: 1400 Speaker. Mechanical Energy Conversion,
mAh, 3.7 V Rechargeable lithium-ion, Talk MEMS. LEDs. Solid State Lighting.
time: up to 8 hours, Standby time: up to 24iPhone Components. 6.007 Concepts.
250 hours, Internet use: up to 6 hours, Touchpad. Capacitors. Accelerometer,
Video playback: up to 7 hours, Audio Speaker. Mechanical Energy Conversion,
playback: up to 24 hours Size: 4.5 x 2.4 x MEMS. Battery. Chemical Energy Conversion.
0.46 in (115 x 61 x 11.6 mm) Weight: 4.8 Antennas. EM waves. Camera. Light
ounces (135 grams). For more views of Absorption, Photodetectors. Display.
iPhone under the hood see Lights, Waveguides, Filters, Eyes. Memory
http://www.eetimes.eu/200001828 Card SIM. QM Tunneling Phenomena. LEDs.
http://www.eetimes.eu/200001864. Solid State Lighting.
3E. Capacitors. Maxwell’s Equations. 25Inductors in the iPhone. not a simple
4Capacitors in the iPhone. inductor (not magnetostatics).
5E. iPhone Capacitive Touch Sensor. 26Magnetometers. Lorentz Force Law… Hall
6Liquid Crystal Display (LCD) and Touch Effect Magnetic field deflects electrons …
Panel. Protective cover. Capacitive Touch … charge piles up on edges & creates
Sensor. Iphone image by Sean MacEntee transverse potential difference. What is
http://www.flickr.com/photos/smemon/467966 this doing in the iPhone 3G and Nexus One?
189/sizes/l/in/photostream/ on flickr. Nexus One picture in public domain.
7Accelerometers. SENSOR AT REST. 27Course Details. Recommended Reading.
RESPONDING TO AN APPLIED ACCELERATION Grading. 5 Labs 10% 10 Problem Sets 20% 2
(MOVEMENT SHOWN IS GREATLY EXAGGERATED). Midterms 40% 1 Final Exam 30%. Applied
8Accelerometer. … detects when you Electromagnetics (Third edition) L. C.
rotate the iPhone from Portrait to Shen, J. A. Kong, PWS publishing, 1995. An
Landscape, and automatically rotates the Introduction to Quantum Physics A.P.
content of the display. French, E. F. Taylor W. W. Norton &
9Accelerometers are Everywhere. Co, 1978. Image is in the public domain.
10Capacitors in the iPhone. 28Energy Conversion in the iPhone.
11Liquid Crystal Displays. -Liquid 29Energy Conversion in the iPhone. Heat:
crystals are electrically controlled light Charging and discharging transistors
switches. (capacitors) Microprocessor energy
12E. E. Liquid Crystal Displays. How can consumption: Variable speed microprocessor
a material rotate polarization? (ANSWER IN 620 MHz at 0.45 mW/MHz Running 7 hours of
LAB 3). video at ~280mW (620 MHz) = 1960 mWh
13Nexus One: Organic LED Display. OLED Running 8 hours of audio at <280mW
subpixels … OLED pixels … Organic emitters (<620 MHz) < 2240 mWh Visible Light:
… Nexus One picture in public domain. LED in Display: 3mW/cm2 for ~40 cm2 = 120
14CMOS Photodiode Imagers. CMOS Imager mW (40%) of processor power 7 hours of
Pixel. Photon Charge (electron + hole) displaying = 840 mWh Radio: Antenna
Current (E-field pulls charge apart). radiation: 130mW of radiation (for 135g
15CMOS Photodiode Imagers. iPhone ? 0.974 W/kg) 8 hours of operation
16CMOS Imagers: Color Filters. = 1040 mWh (Note: allowed FCC rating for
17Capacitors in the iPhone. -. portable appliances – 1.6 W of radiation
18MOSFET: Transistor in a Nutshell. per kg) Total consumption over 7 hours of
Conduction electron flow. Control Gate. video (microprocessor+display) = 2800 mWh
Drain. Source. Transistor is an Total consumption over 8 hours of talk
electrically (capacitively) controlled (microprocessor+antenna) = 3280 mWh.
switch. Image courtesy of J. Hoyt Group, Battery capacity 1400 mAh at 3.7V = 5180
EECS, MIT. Photo by L. Gomez. Image mWh.
courtesy of J. Hoyt Group, EECS, MIT. 30Good Engineers … Place ethics and
Photo by L. Gomez. morals above all else Are team players
19Erased ‘1’. Programmed ‘0’. 8GB iPhone Follow a deterministic design process
employs Samsung's 65-nanometer 8-Gbyte MLC Follow a schedule Document their work
NAND flash. Stored Electrons. Card picture Never stop learning.
in public domain. 316.007 Electromagnetic Energy: From
20Capacitors in the iPhone. Programmed Motors to Lasers. MIT OpenCourseWare.
‘0’. Image courtesy of Department of http://ocw.mit.edu. Spring 2011. For
Electrical Engineering and Computer information about citing these materials
Science, MIT. Photo by L. Gomez, J. Hoyt. or our Terms of Use, visit:
21Capacitors in the iPhone. http://ocw.mit.edu/terms.
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