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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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What Components Do I Need for Building a Radio-Controlled Car Circuit?

Mar 27, 2010 · Replies 1 · Mar 28, 2010

Replies: 1

Views: 4K

Second order Sigma Delta modulator

Mar 27, 2010 · Replies 5 · Mar 28, 2010

Replies: 5

Views: 3K

Does Chaos Defrost Technology in Microwaves Really Work?

Mar 27, 2010 · Replies 2 · Mar 27, 2010

Replies: 2

Views: 6K

Antennas for a High Altitude Balloon

Feb 17, 2010 · Replies 11 · Mar 27, 2010

Replies: 11

Views: 7K

Capacitor start single phase motor

Mar 14, 2010 · Replies 6 · Mar 27, 2010

Replies: 6

Views: 31K

Plasma Arc Speaker: How Does It Work?

Mar 24, 2010 · Replies 7 · Mar 26, 2010

Replies: 7

Views: 4K

Is the Electrostatic Motor Affected by Changes in Earth's Ionization?

Mar 25, 2010 · Replies 3 · Mar 25, 2010

Replies: 3

Views: 3K

Can a CCD Be Used in Reverse to Generate Surface Charge?

Mar 24, 2010 · Replies 5 · Mar 25, 2010

Replies: 5

Views: 2K

Biot-Savart current loop equation confusion?

Mar 25, 2010 · Replies 1 · Mar 25, 2010

Replies: 1

Views: 4K

Cant understand those lines in a text about solid state physics

Mar 24, 2010 · Replies 5 · Mar 25, 2010

Replies: 5

Views: 2K

Electronic Supply sites make me cry (A switch-related question)

Mar 24, 2010 · Replies 1 · Mar 25, 2010

Replies: 1

Views: 2K

Overcurrent Protection: Prevent Malfunctioning Loads & High Efficiency

Mar 23, 2010 · Replies 2 · Mar 24, 2010

Replies: 2

Views: 2K

How Can I Control AC Power with a Sensor?

Mar 24, 2010 · Replies 3 · Mar 24, 2010

Replies: 3

Views: 2K

Can an Induction Motor be Used as a Generator for a Micro-Hydro Power System?

Mar 23, 2010 · Replies 2 · Mar 24, 2010

Replies: 2

Views: 5K

Effect of Coupling Capacitors/Inductors

Mar 23, 2010 · Replies 6 · Mar 24, 2010

Replies: 6

Views: 6K

How Can I Safely Wire 100 LEDs Using a PS3's 120VAC Power Supply?

Mar 23, 2010 · Replies 1 · Mar 23, 2010

Replies: 1

Views: 2K

Temporal Impulse response of one electron

Mar 22, 2010 · Replies 7 · Mar 23, 2010

Replies: 7

Views: 3K

Audio Analysis/Synthesis, DSP/FFT/Spectrogram

Mar 23, 2010 · Replies 1 · Mar 23, 2010

Replies: 1

Views: 6K

Radio Controlled Switch being interferred with from BBQ Iqnitor

Mar 19, 2010 · Replies 6 · Mar 23, 2010

Replies: 6

Views: 3K

Methods to accuractly measure capacitance

Mar 7, 2010 · Replies 3 · Mar 23, 2010

Replies: 3

Views: 7K

Current Controlled Current Source Help Maybe other things?

Mar 22, 2010 · Replies 6 · Mar 22, 2010

Replies: 6

Views: 3K

Force btwn an electromagnet and a permenant magnet

Mar 22, 2010 · Replies 2 · Mar 22, 2010

Replies: 2

Views: 5K

Understanding Current Gain in Push-Pull Amplifiers

Mar 22, 2010 · Replies 1 · Mar 22, 2010

Replies: 1

Views: 4K

Efficient Conversion of 1 V peak AC to DC

Mar 21, 2010 · Replies 7 · Mar 22, 2010

Replies: 7

Views: 3K

How to connect PS/2 female to USB female?

Mar 21, 2010 · Replies 7 · Mar 22, 2010

Replies: 7

Views: 7K

Volt/meter to Decibel: Understanding Attenuation Loss from 112dB to -36dB

Mar 14, 2010 · Replies 6 · Mar 22, 2010

Replies: 6

Views: 5K

Will the Schematic for a Dry Transformer Phone Line Interface Work?

Mar 19, 2010 · Replies 9 · Mar 22, 2010

Replies: 9

Views: 4K

Are ordinary staples suitable for short wire links

Mar 19, 2010 · Replies 3 · Mar 21, 2010

Replies: 3

Views: 2K

Creating Passive Circuit with Sensistor/Thermistor - Help Needed!

Mar 16, 2010 · Replies 14 · Mar 21, 2010

Replies: 14

Views: 3K

Time-stamping and Discretising Audio Signals into Raw Data

Mar 13, 2010 · Replies 2 · Mar 21, 2010

Replies: 2

Views: 2K

Calculating Light Loss and Beam Spread in Opto-Electronics Components

Mar 20, 2010 · Replies 2 · Mar 21, 2010

Replies: 2

Views: 2K

How to solve noise,echo, distribution of sound over speakers

Mar 21, 2010 · Replies 1 · Mar 21, 2010

Replies: 1

Views: 2K

RC car electric start simple circuit

Mar 19, 2010 · Replies 2 · Mar 21, 2010

Replies: 2

Views: 4K

RSSI (Received Signal Strength Indication) and Interference

Mar 19, 2010 · Replies 2 · Mar 20, 2010

Replies: 2

Views: 21K

Building Solar Cell Battery Light

Mar 20, 2010 · Replies 1 · Mar 20, 2010

Replies: 1

Views: 4K

Want to Help with My PhD Qualifying Exam?

Oct 28, 2009 · Replies 7 · Mar 20, 2010

Replies: 7

Views: 3K

Calculating Sphere Volume with Conductive Electrons

Mar 20, 2010 · Replies 4 · Mar 20, 2010

Replies: 4

Views: 2K

Cant understand this line in the book(semiconductor nightmare 4)

Mar 20, 2010 · Replies 2 · Mar 20, 2010

Replies: 2

Views: 2K

How they got formula 1.7 from formula 1.6

Mar 20, 2010 · Replies 6 · Mar 20, 2010

Replies: 6

Views: 1K

Cant understand this line in the book(semiconductor nightmare 3)

Mar 20, 2010 · Replies 2 · Mar 20, 2010

Replies: 2

Views: 2K

Density definition(semiconductor nightmare 2)

Mar 20, 2010 · Replies 1 · Mar 20, 2010

Replies: 1

Views: 2K

Semiconductors theory understanding nightmare1

Mar 20, 2010 · Replies 5 · Mar 20, 2010

Replies: 5

Views: 2K

Embedded ADC with external Signal Conditioning

Mar 19, 2010 · Replies 4 · Mar 19, 2010

Replies: 4

Views: 4K

Line of sight vs. 90degree shortest distance

Mar 17, 2010 · Replies 1 · Mar 19, 2010

Replies: 1

Views: 3K

Is this a resistor? Help me identify please.

Mar 18, 2010 · Replies 8 · Mar 19, 2010

Replies: 8

Views: 5K

Calculating Energy Loss in Conductors: A Beginner's Guide

Mar 18, 2010 · Replies 4 · Mar 19, 2010

Replies: 4

Views: 2K

My Circuit Breaker is Miswired - What Should I Do?

Mar 17, 2010 · Replies 7 · Mar 19, 2010

Replies: 7

Views: 3K

How Does Excitation on a Rotor Affect Reactive Power Output?

Mar 16, 2010 · Replies 18 · Mar 18, 2010

Replies: 18

Views: 9K

A simple non latching,I.R.switch to supply 90 ma .

Mar 18, 2010 · Replies 1 · Mar 18, 2010

Replies: 1

Views: 2K

Automatic detection using wireless sensors

Feb 25, 2010 · Replies 9 · Mar 18, 2010

Replies: 9

Views: 3K

Can Light Influence Gravity and Act as a Gyroscope in Space?

Mar 16, 2010 · Replies 2 · Mar 18, 2010

Replies: 2

Views: 3K

Difference between Power Amp and Preamp?

Mar 18, 2010 · Replies 1 · Mar 18, 2010

Replies: 1

Views: 12K

Calculating Total I2R Losses in a Conductor with Both AC and DC Currents

Mar 11, 2010 · Replies 8 · Mar 18, 2010

Replies: 8

Views: 7K

How Does Spinning Top with LEDs Work?

Mar 16, 2010 · Replies 3 · Mar 18, 2010

Replies: 3

Views: 3K

Relay Re-Activating: Solve Problem Now | John

Mar 17, 2010 · Replies 1 · Mar 18, 2010

Replies: 1

Views: 2K

Design an OP AMP Power Supply for Audio Preamp

Mar 17, 2010 · Replies 7 · Mar 17, 2010

Replies: 7

Views: 5K

Would you introduce me a tool about 'Kalman Filter'?

Mar 17, 2010 · Replies 1 · Mar 17, 2010

Replies: 1

Views: 2K

Optimize 555 Timer Chip Output | Transistor Configuration

Mar 16, 2010 · Replies 9 · Mar 17, 2010

Replies: 9

Views: 3K

DC Motor connected directly with solar panels

Mar 17, 2010 · Replies 1 · Mar 17, 2010

Replies: 1

Views: 11K

How to Design a Coding Circuit for a 1994 BMW 325 Ignition Switch?

Feb 22, 2010 · Replies 3 · Mar 17, 2010

Replies: 3

Views: 2K

Can I Convert My 9vdc Sprinkler Actuators to Run on Low Voltage AC?

Mar 15, 2010 · Replies 6 · Mar 16, 2010

Replies: 6

Views: 3K

Design Oscillator 950MHz ±3V Output Frequency

Feb 20, 2010 · Replies 2 · Mar 16, 2010

Replies: 2

Views: 3K

How can i generate electricity with out any feul

Jun 7, 2008 · Replies 25 · Mar 16, 2010

Replies: 25

Views: 11K

Help with 555 Timer Chip & 38 kHz IR Light

Mar 13, 2010 · Replies 8 · Mar 15, 2010

Replies: 8

Views: 6K

Relay Coordination Time: BS 142:1966 Confirmed?

Mar 15, 2010 · Replies 4 · Mar 15, 2010

Replies: 4

Views: 3K

Circumventing an electric fence

Mar 13, 2010 · Replies 6 · Mar 15, 2010

Replies: 6

Views: 11K

Does Positive Feedback in Op-Amps Prevent Immediate Saturation?

Mar 13, 2010 · Replies 15 · Mar 15, 2010

Replies: 15

Views: 12K

Is High Voltage DC Current Dangerous?

Mar 15, 2010 · Replies 5 · Mar 15, 2010

Replies: 5

Views: 4K

Motor circuit for science olympiad project

Feb 15, 2010 · Replies 7 · Mar 15, 2010

Replies: 7

Views: 4K

Desigining A Microcontroller On Fpga using Verilog Hdl

Mar 11, 2010 · Replies 3 · Mar 15, 2010

Replies: 3

Views: 9K

Bi-directioning dc motor and back emf

Feb 25, 2010 · Replies 17 · Mar 15, 2010

Replies: 17

Views: 11K

Replacing a 3A 250VAC Switch: Tips and Considerations | Your Guide

Mar 12, 2010 · Replies 12 · Mar 15, 2010

Replies: 12

Views: 3K

Need 0-3v output from 0-12v input

Mar 12, 2010 · Replies 6 · Mar 14, 2010

Replies: 6

Views: 6K

Explaining Symmetric Input in Instrumentational & Differential Amplifiers

Mar 14, 2010 · Replies 1 · Mar 14, 2010

Replies: 1

Views: 2K

Can I Power a GEYSER with Calculator Solar Panels?

Mar 13, 2010 · Replies 1 · Mar 13, 2010

Replies: 1

Views: 3K

Area of Wafer: Pi*r^2 Explained

Mar 13, 2010 · Replies 3 · Mar 13, 2010

Replies: 3

Views: 4K

Is a 6-Position Rotary Switch the Solution for Shorting Multiple Contacts?

Mar 13, 2010 · Replies 1 · Mar 13, 2010

Replies: 1

Views: 2K

What is a Retract Servo? Uncovering the Mystery

May 1, 2009 · Replies 4 · Mar 13, 2010

Replies: 4

Views: 5K

Can I Build a Simple Mobile Phone for My Graduation Project?

Mar 11, 2010 · Replies 9 · Mar 13, 2010

Replies: 9

Views: 3K

A little help with this circuit

Mar 12, 2010 · Replies 6 · Mar 13, 2010

Replies: 6

Views: 3K

John's Question About 11mA 8-Pin Relay

Mar 12, 2010 · Replies 10 · Mar 13, 2010

Replies: 10

Views: 6K

Learn About Multivibrators and Flasher Circuits: A Step-by-Step Explanation

Mar 12, 2010 · Replies 1 · Mar 12, 2010

Replies: 1

Views: 2K

How Can I Actively Control Current to Diodes Without Voltage Bias?

Mar 12, 2010 · Replies 2 · Mar 12, 2010

Replies: 2

Views: 2K

Why Transformers Hum? | Unpaired Electrons & Magnetic Fields

Feb 24, 2010 · Replies 7 · Mar 12, 2010

Replies: 7

Views: 6K

Predicting Temperature of PolySi Ring with Current Input

Mar 11, 2010 · Replies 7 · Mar 12, 2010

Replies: 7

Views: 3K

Calculating Resistance of a Graphite Disk

Mar 10, 2010 · Replies 11 · Mar 12, 2010

Replies: 11

Views: 10K

Building an IR Modulator: Troubleshooting Low Voltage Output

Mar 11, 2010 · Replies 4 · Mar 12, 2010

Replies: 4

Views: 7K

I Would like to know , it is about solenoid

Mar 9, 2010 · Replies 4 · Mar 11, 2010

Replies: 4

Views: 2K

How is the 90-degree phase shift achieved in a Var transducer?

Mar 9, 2010 · Replies 5 · Mar 11, 2010

Replies: 5

Views: 13K

More than 3-phase system possible?

Mar 7, 2010 · Replies 2 · Mar 11, 2010

Replies: 2

Views: 2K

Basic Circuit Design: Converting 12V to 24V

Mar 10, 2010 · Replies 21 · Mar 11, 2010

Replies: 21

Views: 4K

Can a Magnetic Turbine Create Electricity?

Mar 10, 2010 · Replies 14 · Mar 11, 2010

Replies: 14

Views: 16K

Generating a short duration spark

Mar 9, 2010 · Replies 3 · Mar 11, 2010

Replies: 3

Views: 2K

Single Op Amp as a voltage regulator?

Mar 6, 2010 · Replies 5 · Mar 11, 2010

Replies: 5

Views: 10K

Break beam IR emitter and detector

Feb 6, 2010 · Replies 6 · Mar 10, 2010

Replies: 6

Views: 8K

Primary voltage is 220v and my secondary voltage is 12v

Mar 9, 2010 · Replies 4 · Mar 10, 2010

Replies: 4

Views: 9K

What are the applications of Reactance Diagram?

Mar 8, 2010 · Replies 3 · Mar 10, 2010

Replies: 3

Views: 4K

Is Magniwork Legit? Uncovering the Truth Behind the Magnetic Power Generator

Mar 9, 2010 · Replies 2 · Mar 9, 2010

Replies: 2

Views: 3K

Calculating Torque on Magnet in Solenoid

Mar 8, 2010 · Replies 4 · Mar 9, 2010

Replies: 4

Views: 8K

An amplifier that won't amplify

Mar 9, 2010 · Replies 2 · Mar 9, 2010

Replies: 2

Views: 3K

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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