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Electrical Engineering Forum

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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Impedance matching in a circuit

Dec 3, 2011 · Replies 30 · Dec 25, 2011

Replies: 30

Views: 7K

Sinc Function in Natural Phenomena

Dec 25, 2011 · Replies 4 · Dec 25, 2011

Replies: 4

Views: 4K

Transmission lines and Waveguides

Dec 24, 2011 · Replies 3 · Dec 25, 2011

Replies: 3

Views: 2K

Control a motor remotely with cell phone signals

Dec 8, 2009 · Replies 15 · Dec 25, 2011

Replies: 15

Views: 16K

Radio frequency amplifier and error rate

Dec 23, 2011 · Replies 3 · Dec 24, 2011

Replies: 3

Views: 2K

Sink source current input and outputs

Dec 22, 2011 · Replies 5 · Dec 24, 2011

Replies: 5

Views: 6K

Building a 12v heater for my car

Dec 23, 2011 · Replies 1 · Dec 23, 2011

Replies: 1

Views: 4K

Solving Demodulator Problem: A Simple Solution

Dec 8, 2011 · Replies 17 · Dec 23, 2011

Replies: 17

Views: 4K

Hall Effect sensor to monitor home electrical apparatus

Dec 19, 2011 · Replies 9 · Dec 23, 2011

Replies: 9

Views: 6K

Reading the Arduino Schematic (for a Beginner)

Apr 3, 2011 · Replies 8 · Dec 22, 2011

Replies: 8

Views: 18K

Why is 44100 Hz the standard sampling rate for compact discs?

Dec 21, 2011 · Replies 11 · Dec 22, 2011

Replies: 11

Views: 18K

Designing a Loop Antenna for 25-100MHz Radiated Emissions Measurements

Dec 20, 2011 · Replies 11 · Dec 22, 2011

Replies: 11

Views: 7K

Why Does My 12V LED Light Strobe When Connected to a 24V Source?

Dec 21, 2011 · Replies 2 · Dec 21, 2011

Replies: 2

Views: 3K

Using LED in fixture designed for Halogen

Dec 21, 2011 · Replies 1 · Dec 21, 2011

Replies: 1

Views: 2K

A game with Fourier coefficients/transform

Dec 19, 2011 · Replies 19 · Dec 21, 2011

Replies: 19

Views: 5K

Video Monitor jack repair, Power and signal

Dec 16, 2011 · Replies 1 · Dec 20, 2011

Replies: 1

Views: 3K

MOSFET Redundancy/Fail-Safe in Automotive System

Dec 17, 2011 · Replies 3 · Dec 20, 2011

Replies: 3

Views: 5K

Problem about changing frequency

Dec 19, 2011 · Replies 4 · Dec 19, 2011

Replies: 4

Views: 2K

Motorcycle power system question

Dec 15, 2011 · Replies 26 · Dec 19, 2011

Replies: 26

Views: 14K

State of Analogue & MS Design today?

Dec 17, 2011 · Replies 2 · Dec 18, 2011

Replies: 2

Views: 2K

How Can I Check RPMs With Multimeter

Aug 17, 2011 · Replies 7 · Dec 18, 2011

Replies: 7

Views: 33K

Electrical solitons are possible?

Dec 13, 2011 · Replies 9 · Dec 18, 2011

Replies: 9

Views: 4K

Two different definitions for sinc ?

Dec 17, 2011 · Replies 6 · Dec 18, 2011

Replies: 6

Views: 3K

Efficient BJT Constant Current Source for Precise Current Regulation

Dec 18, 2011 · Replies 3 · Dec 18, 2011

Replies: 3

Views: 3K

Problems driving a large display with a transistor

Dec 15, 2011 · Replies 6 · Dec 17, 2011

Replies: 6

Views: 4K

Understanding Voltage Follower & Integrator Outputs of an Op Amp

Dec 17, 2011 · Replies 15 · Dec 17, 2011

Replies: 15

Views: 4K

Magnetic Shielding for Motor Control Center

Dec 13, 2011 · Replies 5 · Dec 17, 2011

Replies: 5

Views: 3K

Can an Arduino and PWM circuit be used to create an arc generator and speaker?

Dec 16, 2011 · Replies 5 · Dec 17, 2011

Replies: 5

Views: 5K

Get Started Working with Circuitry: Questions Answered

Dec 16, 2011 · Replies 12 · Dec 17, 2011

Replies: 12

Views: 3K

DC - DC (boost) Converter Design

Dec 13, 2011 · Replies 12 · Dec 16, 2011

Replies: 12

Views: 5K

Measuring Distance on a Cylinder - Ideas & Opinions Wanted

Dec 14, 2011 · Replies 2 · Dec 15, 2011

Replies: 2

Views: 3K

High Frequency Oscillator Circuit Help?

Dec 2, 2011 · Replies 15 · Dec 15, 2011

Replies: 15

Views: 7K

Electric stove ignition causing an EMP?

Dec 10, 2011 · Replies 10 · Dec 14, 2011

Replies: 10

Views: 5K

Why Does DC High Voltage Test Generate Negative Voltage?

Dec 13, 2011 · Replies 6 · Dec 14, 2011

Replies: 6

Views: 3K

AC Applied to a capacitor and dielectric effects?

Dec 13, 2011 · Replies 3 · Dec 13, 2011

Replies: 3

Views: 2K

Electronic Variable fan speed controller (design help)

Dec 11, 2011 · Replies 9 · Dec 13, 2011

Replies: 9

Views: 3K

Bode Plot - Calculating ωgc and ωpc analytically

Dec 12, 2011 · Replies 4 · Dec 13, 2011

Replies: 4

Views: 5K

Electromagnets: Insulation concern

Mar 15, 2007 · Replies 7 · Dec 13, 2011

Replies: 7

Views: 5K

Homopolar generator information

Nov 21, 2003 · Replies 107 · Dec 13, 2011

3

Replies: 107

Views: 60K

Solving Remote IC ESD Burning Problem

Dec 12, 2011 · Replies 4 · Dec 13, 2011

Replies: 4

Views: 2K

A weird thing happened when our transformer blew up

Apr 16, 2009 · Replies 5 · Dec 12, 2011

Replies: 5

Views: 4K

About Using transistor BJT as a switch

Apr 29, 2006 · Replies 8 · Dec 12, 2011

Replies: 8

Views: 20K

Conduction and lossless materials

Dec 11, 2011 · Replies 6 · Dec 11, 2011

Replies: 6

Views: 16K

BJT in the reverse active region and beta

Dec 10, 2011 · Replies 1 · Dec 11, 2011

Replies: 1

Views: 6K

Why is the mutual inductance term negative in the loop equations?

Dec 10, 2011 · Replies 2 · Dec 11, 2011

Replies: 2

Views: 3K

How to design dc to ac inverter

Dec 11, 2011 · Replies 2 · Dec 11, 2011

Replies: 2

Views: 2K

Electrical connection to an insulator to carry current

Dec 10, 2011 · Replies 1 · Dec 11, 2011

Replies: 1

Views: 2K

Tips for Designing a Neat and Tidy Circuit for Your PCB Board

Dec 8, 2011 · Replies 22 · Dec 11, 2011

Replies: 22

Views: 5K

Pulse Skipping - Calculating Frequency Limits

Dec 7, 2011 · Replies 2 · Dec 11, 2011

Replies: 2

Views: 2K

Easy Electronics Project with LEDs

Dec 9, 2011 · Replies 4 · Dec 10, 2011

Replies: 4

Views: 3K

BJT differential amplifier biasing

Dec 9, 2011 · Replies 7 · Dec 10, 2011

Replies: 7

Views: 6K

What is the relationship between electron flow and the speed of light in a wire?

Dec 9, 2011 · Replies 5 · Dec 10, 2011

Replies: 5

Views: 3K

Transfer functions - Complex poles

Dec 7, 2011 · Replies 7 · Dec 10, 2011

Replies: 7

Views: 7K

Designing elliptical patch antenna using superstrate in CST

Dec 9, 2011 · Replies 2 · Dec 9, 2011

Replies: 2

Views: 3K

Counter ramp adc conversion time

Dec 9, 2011 · Replies 1 · Dec 9, 2011

Replies: 1

Views: 4K

Wattage requirement for step-up transformer

Dec 9, 2011 · Replies 1 · Dec 9, 2011

Replies: 1

Views: 3K

Dc Voltage reduction LiPo battery

Dec 8, 2011 · Replies 3 · Dec 9, 2011

Replies: 3

Views: 3K

Help with Building an AM Demodulator

Dec 9, 2011 · Replies 2 · Dec 9, 2011

Replies: 2

Views: 2K

RC Filtering Circuits: Terminals, Vin, Vout & Ground Explained

Dec 8, 2011 · Replies 1 · Dec 8, 2011

Replies: 1

Views: 3K

I would like to create a lifepo4 battery-bag that is failproof.

Dec 7, 2011 · Replies 4 · Dec 8, 2011

Replies: 4

Views: 2K

AC Motor Reversing: Is It Possible?

Dec 7, 2011 · Replies 2 · Dec 8, 2011

Replies: 2

Views: 2K

Calculating Noise Power, SNR, and Bit Error Probability

Dec 7, 2011 · Replies 5 · Dec 8, 2011

Replies: 5

Views: 7K

Modeling coaxial cable impedance

Dec 7, 2011 · Replies 2 · Dec 8, 2011

Replies: 2

Views: 5K

What Are the Key Differences Between Microcontrollers and Microprocessors?

Dec 6, 2011 · Replies 13 · Dec 8, 2011

Replies: 13

Views: 6K

Lost in Translation - Power Requirements

Dec 7, 2011 · Replies 3 · Dec 7, 2011

Replies: 3

Views: 2K

Microwave Reflectors: Materials for Efficient Wave Reflection

Oct 10, 2005 · Replies 10 · Dec 7, 2011

Replies: 10

Views: 29K

Maximum Battery Charging Amperage

Dec 7, 2011 · Replies 1 · Dec 7, 2011

Replies: 1

Views: 3K

Recreating JK flip flop in DSCH , none of the designs work.

Dec 7, 2011 · Replies 1 · Dec 7, 2011

Replies: 1

Views: 8K

Voltage Source, Inductor, Flyback Diode & Switch Circuit

Dec 6, 2011 · Replies 7 · Dec 7, 2011

Replies: 7

Views: 5K

Efficiency of linear alternator

Sep 8, 2008 · Replies 1 · Dec 7, 2011

Replies: 1

Views: 11K

Ground is always considered at 0 Volt?

Dec 7, 2011 · Replies 6 · Dec 7, 2011

Replies: 6

Views: 9K

Best Way to Combine High V Low I and Low V High I

Dec 7, 2011 · Replies 6 · Dec 7, 2011

Replies: 6

Views: 2K

Take a look at this simple circuit please.

Dec 6, 2011 · Replies 2 · Dec 7, 2011

Replies: 2

Views: 2K

How Can Tesla's Rotating Magnetic Fields Be Achieved Without Using Capacitors?

Sep 16, 2006 · Replies 2 · Dec 6, 2011

Replies: 2

Views: 7K

What Are the Best Introductory Textbooks for an Aspiring Electrical Engineer?

Dec 1, 2011 · Replies 9 · Dec 6, 2011

Replies: 9

Views: 5K

Tesla coil secondary coil wrapped around primary coil

Mar 12, 2011 · Replies 6 · Dec 6, 2011

Replies: 6

Views: 7K

Trying to understand how operational amplifiers work

Nov 19, 2011 · Replies 36 · Dec 6, 2011

Replies: 36

Views: 8K

Actuator-solenoid valve circuit

Dec 5, 2011 · Replies 5 · Dec 6, 2011

Replies: 5

Views: 6K

Faraday Flashligh = Cell Phone Charger?

Dec 6, 2011 · Replies 1 · Dec 6, 2011

Replies: 1

Views: 5K

Dealing with RFI from Expensive LED Lighting: Tips and Experiences

Dec 5, 2011 · Replies 1 · Dec 6, 2011

Replies: 1

Views: 2K

Understanding Phase Locked Loops (PLLs) with Phasors

Nov 23, 2011 · Replies 38 · Dec 6, 2011

Replies: 38

Views: 7K

Electromagnetic repulsion query

Jun 13, 2011 · Replies 3 · Dec 6, 2011

Replies: 3

Views: 3K

Ideas for circuit simulation project?

Dec 5, 2011 · Replies 2 · Dec 6, 2011

Replies: 2

Views: 3K

External Power Supply or Put Regulator on Main PCB?

Dec 3, 2011 · Replies 8 · Dec 5, 2011

Replies: 8

Views: 3K

Robot Location Triangulation Using IR Beacons: Improving LED Sensitivity

Dec 5, 2011 · Replies 11 · Dec 5, 2011

Replies: 11

Views: 3K

USB Communication: PIC Processor, Capture Software & Standards

Dec 5, 2011 · Replies 2 · Dec 5, 2011

Replies: 2

Views: 2K

Convert device from AC to DC powered

Dec 2, 2011 · Replies 8 · Dec 5, 2011

Replies: 8

Views: 3K

Choosing the correct potentiometer help

Jul 18, 2006 · Replies 19 · Dec 5, 2011

Replies: 19

Views: 12K

Current Mirror Load on Diff Amp

Dec 4, 2011 · Replies 1 · Dec 4, 2011

Replies: 1

Views: 3K

What is the purpose of a common ground connection in power supplies?

Dec 4, 2011 · Replies 7 · Dec 4, 2011

Replies: 7

Views: 3K

Why Can We Experience An Electric Shock From Neutral

Dec 3, 2011 · Replies 7 · Dec 4, 2011

Replies: 7

Views: 17K

Level of johnson-Nyquist noise in analog voltmeter

Dec 1, 2011 · Replies 3 · Dec 4, 2011

Replies: 3

Views: 2K

Down sampling, bandpass sampling theorem, downconversion

Nov 29, 2011 · Replies 1 · Dec 4, 2011

Replies: 1

Views: 4K

Maximizing the Power of 555 Timers: Creating an On-Off Switch for Your Computer

Dec 4, 2011 · Replies 11 · Dec 4, 2011

Replies: 11

Views: 3K

Simple control circuit for a dc motor to power a conveyor for 5 seconds

Dec 3, 2011 · Replies 1 · Dec 4, 2011

Replies: 1

Views: 5K

Help With Self-Biases JFET Amplifier

Dec 3, 2011 · Replies 4 · Dec 4, 2011

Replies: 4

Views: 3K

Advice needed on a laser activated LED

Dec 3, 2011 · Replies 1 · Dec 4, 2011

Replies: 1

Views: 2K

Eeprom 27C2001 /P: Low vs High Settings

Dec 3, 2011 · Replies 1 · Dec 4, 2011

Replies: 1

Views: 2K

How to select the DC generator?

Dec 3, 2011 · Replies 3 · Dec 4, 2011

Replies: 3

Views: 4K

Which book is this very problem from?

Dec 3, 2011 · Replies 5 · Dec 4, 2011

Replies: 5

Views: 1K

Electrical Engineering

Electrical engineering is a discipline within engineering that focuses on the study and application of electricity, electronics, and electromagnetism. Electrical engineers design, develop, and maintain systems and devices that utilize electrical power, ranging from small-scale electronics to large power distribution networks. The field encompasses a diverse range of technologies, including telecommunications, signal processing, control systems, and power generation.

Electrical engineers play a crucial role in advancing technology, contributing to innovations such as computers, smartphones, renewable energy systems, and electric vehicles. Their work involves a combination of theoretical understanding, mathematical modeling, and practical application to create solutions that power the modern world.

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