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Engineering
Electrical Engineering Forum
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Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...
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Title
Why Do TV Cables Use 75 Ohm Impedance?
Apr 13, 2010
Replies
2
Views
3K
117V AC appliance on 127V AC mains?
Apr 13, 2010
Replies
1
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3K
How long does it take to charge a 230CCA car battery?
Apr 13, 2010
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3
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5K
Can a Single Rectifier Keep an LED Constantly On?
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1
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2K
Control Theoryplease advise if cont theory should be in system design threads
Apr 13, 2010
Replies
6
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Using a 110/120V Step-Up Transformer for 127V AC to 240V AC
Apr 13, 2010
Replies
1
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3K
Primary winding and secondary winding wraped around a iron core
Apr 13, 2010
Replies
8
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4K
Predicting Output Voltage Using Small Signal Diode Model
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PIC Micro: Get Serial Output from Byte Register
Apr 12, 2010
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What Voltage is Needed to Create a Spark in a Car Engine?
Apr 12, 2010
Replies
6
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Electron dispersion in a conductor
Apr 12, 2010
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Help learning Signal Processing/Communication Systems
Apr 12, 2010
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Apr 12, 2010
Replies
7
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Project: Wireless Mouse or Keyboard
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Why does an Electromagnet Vibrate ?
Apr 11, 2010
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How does a simple light tracking device work?
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Replies
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Top Power Engineering Companies for Job Seekers?
Apr 11, 2010
Replies
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6K
Light Tracker Project: Seeking Algorithm Help
Apr 10, 2010
Replies
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3K
FREQUENCY: Radio to Infrared threshold
Apr 10, 2010
Replies
8
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Assembly Language for electrical engineering
Apr 10, 2010
Replies
10
Views
9K
Does Changing AL Register Affect Parallel Port Output in Assembly Language?
Apr 9, 2010
Replies
4
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2K
How Can You Convert AC Amperage to Voltage?
Apr 9, 2010
Replies
46
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12K
Normally On Switch for NPN Transistor
Apr 9, 2010
Replies
7
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4K
Can You Calculate the Charges on Capacitor Plates in a Series Circuit?
Apr 9, 2010
Replies
2
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2K
Question about single tone signals
Apr 9, 2010
Replies
1
Views
3K
Learn C for Embedded Systems Design with PIC Microcontroller
Apr 9, 2010
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Electronics / software shifting to Asia?
Apr 8, 2010
Replies
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Current in Diode: Electrons vs Holes
Apr 8, 2010
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How to determine the loudness of a sound
Apr 8, 2010
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(help optimize ciruit) 555 burst
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Analog Multiplexer for 6 Channels | SPST Switch
Apr 8, 2010
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Rate of discharge for a battery
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4K
What is the relationship between capacitance and leakage current?
Apr 8, 2010
Replies
1
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6K
Suggest online resources for electronics
Apr 7, 2010
Replies
3
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12K
Doubt about laser power in laser transmitter
Apr 7, 2010
Replies
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What kind of filters to use for audio LED spectrum analyzer?
Apr 6, 2010
Replies
15
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9K
Induced voltage and current question
Apr 6, 2010
Replies
8
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5K
Understanding Voltage & Current in Simple Circuits
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Replies
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2K
Electric Vehicle Battery specification (very basic)
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Replies
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7K
Identifying the winding that has multiple taps?
Apr 6, 2010
Replies
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2K
Ballistic Conduction: Get Help With Mechanism
Apr 6, 2010
Replies
1
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Infolytica MagNet Tutorials & Examples
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1
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6K
Metal Detector Thwarter: An Engineering Perspective on Foiling Security Systems
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Replies
1
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Frequency Dependence of Dielectric Strength
Apr 5, 2010
Replies
2
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6K
Help with 1kHz Sine Wave Setup for Mechanical System
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Replies
13
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4K
Charging of Inductors: Explained Without the Duality
Apr 5, 2010
2
Replies
81
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26K
Which direction does the electrical field point in an electrical arc?
Apr 4, 2010
Replies
8
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2K
DFT - can't evaluate components in -negative time
Apr 4, 2010
Replies
18
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7K
What to do with a DC to AC power inverter?
Apr 4, 2010
Replies
9
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Do Permanent Magnets Increase the Efficiency of DC Motors?
Apr 4, 2010
Replies
14
Views
3K
Setting Up a Current Source: Parallel Resistances
Apr 4, 2010
Replies
4
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2K
About phasor voltage and phasor current.
Apr 4, 2010
Replies
4
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6K
Signal Splitting Help Needed: Seeking Electronics Expert in Central OK
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Replies
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Cant oscillate sine wave from bubba oscillator
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Measuring Solar Radiation in Bolivia: Using LDR or Phototransistor?
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Replies
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Need help wiring a solar panel to electric motor
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Solar Cell Connectivity Problems: Low Current Output
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How to Create a GUI in Visual Basic and Load Input into PIC18F2550 via USB?
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What are some complex FPGA project ideas for a 10-week timeline?
Apr 3, 2010
Replies
11
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11K
Amorphous Ferromagnetic Metallic Alloys
Apr 3, 2010
Replies
2
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Linking Transformers in Series: Voltage Compatibility and Polarity Concerns
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Replies
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Calculating Battery requirements for EV
Apr 3, 2010
Replies
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21K
Wiring a 6 channel audio with a 2 channel RCA
Apr 3, 2010
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1
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4K
Equation used in simulation software
Apr 2, 2010
Replies
2
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2K
Voltage Breakdown over two parallel rods
Apr 1, 2010
Replies
4
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5K
Replacement for Obsolete AD639 Trigonometric Function Converter Chip
Apr 1, 2010
Replies
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11K
Is It Possible To Shape An Electric/Plasma Arc?
Apr 1, 2010
Replies
14
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6K
Where Do Valence Electrons Exist in Silicon?
Apr 1, 2010
Replies
10
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2K
Why Does My Battery Keep Running Down in a Closed Loop Charging System?
Apr 1, 2010
Replies
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A Future in Electrical Engineering
Mar 31, 2010
Replies
14
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5K
Is it possible to convert heat directly into electricity?
Mar 31, 2010
Replies
3
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3K
Which Is Better for Micro-Calorimeters: Thermistor or Thermopile?
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Replies
6
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10K
Isolation Transformer: Protecting Circuits & People
Mar 31, 2010
Replies
1
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3K
Polarization of a di-electric due to an electric field
Mar 31, 2010
Replies
3
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2K
Transformer and watt or VA relation?
Mar 31, 2010
Replies
4
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2K
Oscilloscope Isolation: Explained
Mar 30, 2010
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4
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10K
Using DC Motor as Generator to Build a Wind Turbine
Mar 30, 2010
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4
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Resisting 12V: Lowering Amperage - Learn Electronics
Mar 30, 2010
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14
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Quick & easy transistor question
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10
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3K
Build Transformer: 110V-1V, 2 Electrodes | DIY
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7
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3K
What Is the Chemical Sign of Antimony?
Mar 30, 2010
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1
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2K
How Does cm^{-3} Indicate Atom Density in Doped Silicon Crystals?
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Replies
4
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2K
Ideal potentiometer for post Op-Amp
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Replies
3
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2K
How to calculat the area covered by light?
Mar 30, 2010
Replies
6
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6K
What Happens to Electric Circuits When Exposed to Noise?
Mar 29, 2010
Replies
10
Views
3K
Resistance & Diameter of heating element
Mar 29, 2010
Replies
3
Views
5K
Voltage controlled resistor circuit Help
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Replies
4
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4K
Control BLDC Motor with 555 Timer: Tutorial & Schematics
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3
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7K
Understanding Quasi Fermi Levels & Calculating QFL Equation
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14K
Interactions between polar materials and magnetic field
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Circuits for all noise generator
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Replies
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9K
Diode clipping at a given threshold
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4K
Difference between Surface Waves and Lateral Waves
Mar 28, 2010
Replies
5
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14K
Electrolytic Capacitor and Potentiometer question
Mar 28, 2010
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2
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2K
Voltage regulator for cooling fan
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1
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4K
How to hold a relay for 5 seconds
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7K
Motor for Toy Car: Finding the Right RPM
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What Components Do I Need for Building a Radio-Controlled Car Circuit?
Mar 28, 2010
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1
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Second order Sigma Delta modulator
Mar 28, 2010
Replies
5
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3K
Does Chaos Defrost Technology in Microwaves Really Work?
Mar 27, 2010
Replies
2
Views
6K
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