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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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Understanding Shannon's Limit on 64QAM: A Simple Explanation

Nov 11, 2011 · Replies 4 · Jul 6, 2019

Replies: 4

Views: 3K

Schottky Barrier: Understand Electron Movement

Nov 8, 2012 · Replies 1 · Jul 6, 2019

Replies: 1

Views: 2K

Are there photodiode fabs that give the P and N length scales?

Jul 4, 2019 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

How to Isolate Trigger Signals for Multiple Lasers and a Camera?

Jan 30, 2011 · Replies 2 · Jul 5, 2019

Replies: 2

Views: 2K

DIY Scooter Voltage Regulator and Rectifier Circuit Help - New User"

Oct 30, 2008 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Path following control robot kinematics and dynamics

Oct 23, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Where to buy 3.5mm & RCA female connectors

Mar 29, 2010 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Relays for AC/DC Auto Start Control Panel

May 3, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Inductance of a Trace: Qualitative Analysis

Sep 14, 2010 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Single phase inverter-current control loop

Dec 31, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

A design using quartus software, can't figure out how to choose my choice

May 3, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Help Understanding Wiring Diagrams.

Oct 23, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Modifying Program to Control Current at Maximum Duty Cycle

Mar 10, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Isolate Antenna to Reduce Noise and Headaches

Feb 13, 2010 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Harmonic Oscillator Design - controls approach

Mar 20, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

How Can I Build a Powerful Solenoid for a Debris Recovery System?

Apr 24, 2012 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Amplifying reverse saturation current

Feb 28, 2010 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 3K

Can renewable energy be used to power a ship with onshore safety considerations?

Oct 24, 2010 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 3K

SNR for an underwater acoustic signal

Jul 2, 2019 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Circuit for Magnetic fluctuation test

Jul 9, 2006 · Replies 1 · Jul 5, 2019

Replies: 1

Views: 2K

Discrete-time Signal & Periodicity condition

Jul 3, 2019 · Replies 1 · Jul 4, 2019

Replies: 1

Views: 2K

Question about coaxial digital to analog converters

Mar 5, 2012 · Replies 7 · Jul 4, 2019

Replies: 7

Views: 3K

RMS and DC Value Displays of Waveforms on LTspice

Jun 17, 2019 · Replies 21 · Jul 3, 2019

Replies: 21

Views: 12K

Simulating Intersymbol Interference on channels

Apr 3, 2009 · Replies 3 · Jul 3, 2019

Replies: 3

Views: 2K

Electro-magnetic pulser efficiency

Sep 8, 2008 · Replies 1 · Jul 3, 2019

Replies: 1

Views: 2K

Calculate optical power output of LEDs

Oct 24, 2013 · Replies 1 · Jul 3, 2019

Replies: 1

Views: 4K

Do Hot Swap PSUs Risk Phase-to-Phase Voltage Exposure?

May 3, 2011 · Replies 1 · Jul 3, 2019

Replies: 1

Views: 2K

RS485 to RS232 (Energy meter connection)

Sep 2, 2012 · Replies 1 · Jul 3, 2019

Replies: 1

Views: 2K

Active power dissipated by a resistor from DC to RF

Jul 2, 2019 · Replies 5 · Jul 3, 2019

Replies: 5

Views: 2K

Challenge: Investigating Ac Signals Coupled to DC Network

Apr 4, 2012 · Replies 1 · Jul 3, 2019

Replies: 1

Views: 3K

Should you convert all house outlets to GFCI?

Jun 18, 2019 · Replies 39 · Jul 3, 2019

2

Replies: 39

Views: 6K

Can Matlab be used for digital filter design and modeling?

Apr 4, 2008 · Replies 13 · Jul 2, 2019

Replies: 13

Views: 3K

How should i start learning how to build an electronic oscillator?

Jun 21, 2019 · Replies 23 · Jul 2, 2019

Replies: 23

Views: 3K

What Is the Required Cross-Section for Equipotential Link Conductors Above 250A?

Jul 1, 2019 · Replies 1 · Jul 1, 2019

Replies: 1

Views: 1K

Obtain Cathode Ray Tubes Without X-rays

Jun 28, 2019 · Replies 9 · Jun 30, 2019

Replies: 9

Views: 2K

Overvoltage on the power supply to compressor motors

Jun 28, 2019 · Replies 5 · Jun 30, 2019

Replies: 5

Views: 3K

NEC 408.3.E: 3-Phase Busbar Arrangement

Dec 15, 2009 · Replies 2 · Jun 29, 2019

Replies: 2

Views: 4K

Nichrome wire heater optimisation

Sep 27, 2013 · Replies 3 · Jun 29, 2019

Replies: 3

Views: 4K

What is better to feed a 500W asynchronous motor?

Jun 28, 2019 · Replies 1 · Jun 28, 2019

Replies: 1

Views: 1K

Characterizing a CT via a major B-H loop?

Jun 28, 2011 · Replies 5 · Jun 28, 2019

Replies: 5

Views: 3K

How Can Voltage Regulation Be Achieved for a Sensitive 390V Chiller?

Jun 27, 2019 · Replies 5 · Jun 28, 2019

Replies: 5

Views: 2K

PWM, Limit switches, and TX's / RX's

Feb 22, 2012 · Replies 1 · Jun 27, 2019

Replies: 1

Views: 2K

Signal Power Distribution Upon Resampling

Aug 5, 2010 · Replies 1 · Jun 27, 2019

Replies: 1

Views: 2K

Solving FFT Signal Processing Problem for Complex Time Signal

Apr 6, 2012 · Replies 1 · Jun 27, 2019

Replies: 1

Views: 2K

How can I change voltage instead of current?

Jun 26, 2019 · Replies 7 · Jun 27, 2019

Replies: 7

Views: 2K

What is your opinion about using the ELB-REV4 camera module with Simpl

Jun 25, 2019 · Replies 1 · Jun 27, 2019

Replies: 1

Views: 1K

What type of software to configure coils, inductors, transformers?

Jun 1, 2012 · Replies 2 · Jun 26, 2019

Replies: 2

Views: 3K

How Can Effective ESD Charge Routing Be Achieved in PCB Design?

Nov 5, 2012 · Replies 2 · Jun 26, 2019

Replies: 2

Views: 3K

Using a DC source to generate a large magnetic field in a coil

Jun 12, 2012 · Replies 1 · Jun 26, 2019

Replies: 1

Views: 2K

Designing an Auto Match Unit for RF supply

Nov 9, 2010 · Replies 1 · Jun 26, 2019

Replies: 1

Views: 3K

Constant Current Regulator - Bad Regulation

Nov 27, 2009 · Replies 1 · Jun 26, 2019

Replies: 1

Views: 2K

Can we protect our technology from solar storms?

Feb 25, 2010 · Replies 1 · Jun 26, 2019

Replies: 1

Views: 2K

Millimeter wave scanners and backscatter scanners

Oct 24, 2012 · Replies 1 · Jun 26, 2019

Replies: 1

Views: 2K

Ground faults in ungrounded systems

Jun 18, 2019 · Replies 10 · Jun 26, 2019

Replies: 10

Views: 5K

High pitched noise with some elctronics

Jun 17, 2019 · Replies 17 · Jun 25, 2019

Replies: 17

Views: 5K

Choose JFET for Audio Amp Design: J112 vs J113

Jun 9, 2019 · Replies 8 · Jun 25, 2019

Replies: 8

Views: 5K

Current carrying capacity of a copper busbar in an Aircraft

Jun 20, 2019 · Replies 16 · Jun 24, 2019

Replies: 16

Views: 3K

Can a capacitor discharge as a result of being struck?

Jun 23, 2019 · Replies 3 · Jun 24, 2019

Replies: 3

Views: 2K

Role of the capacitor, coil and choke in this television receiver design

Jun 16, 2019 · Replies 26 · Jun 23, 2019

Replies: 26

Views: 4K

Detecting metals with a capacitance multimeter and a circuit

Apr 26, 2019 · Replies 16 · Jun 23, 2019

Replies: 16

Views: 5K

Any recommendations for a good cheap USB oscilloscope?

Jan 5, 2018 · Replies 32 · Jun 23, 2019

2

Replies: 32

Views: 14K

PIN photodiode forward bias capacitance

Jun 20, 2019 · Replies 12 · Jun 23, 2019

Replies: 12

Views: 4K

Matrix Heating Element Design: Advice Needed

Jun 3, 2012 · Replies 2 · Jun 22, 2019

Replies: 2

Views: 3K

UART Issue with PICDEM PlUS 2 board

Jan 15, 2012 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

How Can Integral Feedback Improve Model Predictive Control in Boiler Systems?

Jun 12, 2011 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 2K

How to Simulate a Permanent Magnet on Steel Using Quickfield?

Mar 22, 2010 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Any help with an electrostatic field manipulation design or suggestions?

Aug 27, 2007 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 2K

Electromagnet Design Help Required

Apr 29, 2012 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Calculating resistance of an oxygen probe

Apr 3, 2012 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 2K

Amplifying dc signal using AD524

Nov 17, 2011 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Hearing Aid Pick-Up-Coil Circuits

Feb 9, 2010 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 2K

Power system model circuit analysis

Feb 3, 2011 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Lamp/Lampholder requirements for - US/Japan

May 25, 2010 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Laboratory work, TE or TM polarization?

Jun 4, 2012 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Uncorrelated input to a DPCM system?

Nov 15, 2008 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 2K

Laser Audio Transmitter Project Question

Jun 23, 2012 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Wireless Earphone Building: Permission, Frequency & Schematics

Feb 12, 2008 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 2K

RF Amplification: Is it a Bad Idea?

Apr 14, 2010 · Replies 2 · Jun 22, 2019

Replies: 2

Views: 3K

Find Protective Relays for 3 Phase 120/208 Volt Generator System

Aug 4, 2009 · Replies 1 · Jun 22, 2019

Replies: 1

Views: 3K

Why Isn't My Raltron Crystal Oscillator Causing the Diode to Blink?

Jun 20, 2019 · Replies 17 · Jun 22, 2019

Replies: 17

Views: 2K

Supplier for coaxial electric motor

Jun 9, 2012 · Replies 2 · Jun 21, 2019

Replies: 2

Views: 3K

Where Can I Learn About Padmounted Switchgear?

Jul 13, 2010 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Need help with light fixture transformer wiring distance

Apr 30, 2011 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Battery Monitor Chips and Circuit Design

Jun 6, 2012 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Inductive coupling & wireless power transmission

Sep 29, 2011 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 2K

What physically is the BETA of a transistor?

Apr 16, 2007 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Hello guys,I'm working on a machine now and it's called DFIG

Apr 23, 2011 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 2K

What is the simplest and most cost-effective device for calculating power usage?

Feb 16, 2009 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Why Is Isolated Neutral Preferred In Some Generators?

Aug 23, 2011 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Advice needed on Electromagnet specifications

Oct 20, 2011 · Replies 1 · Jun 20, 2019

Replies: 1

Views: 3K

Creating a PM Induction Generator from Induction Motor

Aug 11, 2012 · Replies 3 · Jun 20, 2019

Replies: 3

Views: 4K

Calculate the max current for a powerline

Jun 16, 2019 · Replies 22 · Jun 20, 2019

Replies: 22

Views: 4K

12V / 6A Power supply. Help with Buck and Boost converters + OR'ing circuit

Jun 7, 2012 · Replies 2 · Jun 19, 2019

Replies: 2

Views: 4K

Designing a parachute system/device

Oct 9, 2008 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 2K

Interpreting BLDC motor spec sheet

Apr 28, 2012 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 3K

555 Timers, Button Presses and a little bit more

Jul 10, 2006 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 2K

Choosing the Right Transistors and Drivers for a 1200w DC/AC Inverter Project

Oct 26, 2010 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 3K

Addressing Intermittent Over Current Faults in Dual UPS System

May 10, 2004 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 2K

What is boutique line binning in MPU production?

Aug 11, 2008 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 2K

Telephone ring and caller end hangup detector

Jan 11, 2010 · Replies 1 · Jun 19, 2019

Replies: 1

Views: 2K

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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