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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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How Can LCD Light Output Be Increased for Outdoor Visibility?

Jul 2, 2012 · Replies 3 · Jul 9, 2012

Replies: 3

Views: 4K

Implementation of Transmitter and Receiver for GPR

Jul 9, 2012 · Replies 2 · Jul 9, 2012

Replies: 2

Views: 2K

How can I use a three phase WYE alternator to charge a battery with a DC output?

Jul 8, 2012 · Replies 1 · Jul 9, 2012

Replies: 1

Views: 2K

Help building a Torque limiting motor control for guillotine

Jul 4, 2012 · Replies 5 · Jul 9, 2012

Replies: 5

Views: 3K

I get shock when I touch Grounding (earthing) wire

Jul 6, 2012 · Replies 13 · Jul 9, 2012

Replies: 13

Views: 33K

Reading Transformer - Learning How to Read Non-Industrial Transformers

Jul 7, 2012 · Replies 2 · Jul 8, 2012

Replies: 2

Views: 2K

A question about electrical ground (with diagrams)

Apr 3, 2012 · Replies 31 · Jul 8, 2012

2

Replies: 31

Views: 9K

Integrating an Inductor on a Chip / Die / Package?

Jul 8, 2012 · Replies 1 · Jul 8, 2012

Replies: 1

Views: 2K

ICL 7107 digital voltmeter helps needed

Jun 26, 2012 · Replies 4 · Jul 7, 2012

Replies: 4

Views: 5K

Flexible material suitable for high voltage (≥70kV) insulation

Jul 6, 2012 · Replies 6 · Jul 7, 2012

Replies: 6

Views: 4K

Small Basic Project (solar panels to spin fans)

Jul 6, 2012 · Replies 8 · Jul 7, 2012

Replies: 8

Views: 6K

AL422B Speed Limits - Write Clock Up to 2 MHz

Jul 5, 2012 · Replies 2 · Jul 7, 2012

Replies: 2

Views: 2K

Designing an Audio Amplifier Circuit: Tips and Components | Satya

Nov 27, 2011 · Replies 8 · Jul 7, 2012

Replies: 8

Views: 7K

Angles - why in radians instead of in degrees?

Jul 6, 2012 · Replies 6 · Jul 7, 2012

Replies: 6

Views: 3K

Which engineering field has more job opportunities?

Jul 3, 2012 · Replies 2 · Jul 7, 2012

Replies: 2

Views: 4K

Saving an LM324 Amplifier with YUNGMAN's Trick

May 3, 2012 · Replies 2 · Jul 6, 2012

Replies: 2

Views: 2K

Need guidance for learning electrical engineering and DDC panels

Jul 5, 2012 · Replies 1 · Jul 6, 2012

Replies: 1

Views: 2K

Some Electrical Engineering Help?

Jun 27, 2012 · Replies 31 · Jul 6, 2012

2

Replies: 31

Views: 4K

Purpose of capacitor in the ICL7107 voltmeter circuit

Jul 6, 2012 · Replies 1 · Jul 6, 2012

Replies: 1

Views: 3K

Modelling/Simulation of a Linear BLDC motor

Jul 5, 2012 · Replies 1 · Jul 6, 2012

Replies: 1

Views: 4K

Any suggestions? - Function generator

Jun 29, 2012 · Replies 4 · Jul 6, 2012

Replies: 4

Views: 2K

How many VDC will 120VAC support?

Jul 6, 2012 · Replies 2 · Jul 6, 2012

Replies: 2

Views: 2K

What happens if a motor is not supplied required amps?

Jul 5, 2012 · Replies 4 · Jul 6, 2012

Replies: 4

Views: 8K

1P Electric Motor - L1 Constant Hot?

Jun 27, 2012 · Replies 4 · Jul 5, 2012

Replies: 4

Views: 3K

Resistor Temp Variation: 2K at 0°C or Room Temp?

Jul 5, 2012 · Replies 1 · Jul 5, 2012

Replies: 1

Views: 1K

CMOS vs. BJT: Which is Better for Power Management Circuit Design?

Jul 5, 2012 · Replies 1 · Jul 5, 2012

Replies: 1

Views: 6K

Part operation not matching spec?

Jun 27, 2012 · Replies 4 · Jul 5, 2012

Replies: 4

Views: 2K

On motor at specific time everyday

Jul 5, 2012 · Replies 1 · Jul 5, 2012

Replies: 1

Views: 3K

Building a Simple metal detector circuit

Aug 26, 2010 · Replies 5 · Jul 5, 2012

Replies: 5

Views: 14K

Viability of using a long steel pipe to send a magnetic signal

Jul 4, 2012 · Replies 4 · Jul 4, 2012

Replies: 4

Views: 2K

Need help choosing suitable power supply for DC motors

Jul 4, 2012 · Replies 1 · Jul 4, 2012

Replies: 1

Views: 3K

Windowing a signal in frequency space

Jun 26, 2012 · Replies 1 · Jul 4, 2012

Replies: 1

Views: 2K

Bridge rectifier based mains (line) frequency doubler for an induction motor

Jul 3, 2012 · Replies 8 · Jul 4, 2012

Replies: 8

Views: 5K

Understanding 3-pin vs 380/415V Electrical Supply

Jul 3, 2012 · Replies 1 · Jul 4, 2012

Replies: 1

Views: 2K

Electromagnet construction and off-axis field calculation with iron core

Jul 2, 2012 · Replies 1 · Jul 3, 2012

Replies: 1

Views: 2K

Can I Use a 100W Bulb for My Table Lamp?

Jul 3, 2012 · Replies 2 · Jul 3, 2012

Replies: 2

Views: 7K

Is resistance of a silicon diode constant?

Jun 30, 2012 · Replies 7 · Jul 3, 2012

Replies: 7

Views: 12K

Notching 1407kHz out of a composite video signal

Jul 2, 2012 · Replies 6 · Jul 3, 2012

Replies: 6

Views: 2K

Strangely Small Sampling rates with a 400 MHz Oscilloscope

Jul 2, 2012 · Replies 7 · Jul 3, 2012

Replies: 7

Views: 2K

Giving PCB/Controller Wireless Capabilities

Apr 30, 2012 · Replies 16 · Jul 3, 2012

Replies: 16

Views: 3K

NEED HELP reading data from flash memory module

Jun 25, 2012 · Replies 4 · Jul 3, 2012

Replies: 4

Views: 2K

Optimizing Load Resistance for Class E DC-DC Converters

Jun 25, 2012 · Replies 7 · Jul 3, 2012

Replies: 7

Views: 2K

Electrical Generators; Excitation/Self induction start up

Jul 2, 2012 · Replies 2 · Jul 3, 2012

Replies: 2

Views: 3K

Clipper Clamper book recommendation

Jul 3, 2012 · Replies 1 · Jul 3, 2012

Replies: 1

Views: 3K

Inductor/coil/choke design confusion

Jun 26, 2012 · Replies 4 · Jul 3, 2012

Replies: 4

Views: 3K

Question about the sign of output voltage in clipper circuits

Jul 2, 2012 · Replies 4 · Jul 2, 2012

Replies: 4

Views: 2K

'levitating alternator' electricity generator question

Jun 12, 2011 · Replies 44 · Jul 2, 2012

2

Replies: 44

Views: 21K

How to measure noise from a current source

Jun 22, 2012 · Replies 4 · Jul 2, 2012

Replies: 4

Views: 5K

Clipper circuit: Sign of output voltage

Jul 2, 2012 · Replies 1 · Jul 2, 2012

Replies: 1

Views: 2K

Edge detection using LED light source.

Mar 9, 2012 · Replies 8 · Jul 2, 2012

Replies: 8

Views: 3K

Optical modulator wavelength dependency

Jul 2, 2012 · Replies 1 · Jul 2, 2012

Replies: 1

Views: 1K

Ngspice Capacitor Simulation problem

Jul 1, 2012 · Replies 4 · Jul 2, 2012

Replies: 4

Views: 4K

Application/Use of 200mV scale in voltmeter

Jun 30, 2012 · Replies 6 · Jul 1, 2012

Replies: 6

Views: 8K

Need help to determine the supply voltage

Jun 24, 2012 · Replies 4 · Jul 1, 2012

Replies: 4

Views: 2K

Tesla coil with 555 timer troubleshooting help

Jun 28, 2012 · Replies 5 · Jul 1, 2012

Replies: 5

Views: 6K

What Are Some Recommended Analog Design Books?

Jun 29, 2012 · Replies 5 · Jun 30, 2012

Replies: 5

Views: 2K

Calculate Terminal Voltage with 2 Single Phase Transformers in Parallel

Jun 30, 2012 · Replies 1 · Jun 30, 2012

Replies: 1

Views: 1K

Question about oscillator circuit

Jun 30, 2012 · Replies 1 · Jun 30, 2012

Replies: 1

Views: 2K

Harnessing the power of lightning

Jun 9, 2012 · Replies 4 · Jun 30, 2012

Replies: 4

Views: 3K

3-PhaseInduction Motor slip baffling problem

Jun 29, 2012 · Replies 1 · Jun 30, 2012

Replies: 1

Views: 2K

Best book to teach oneself electronics/circuit stuff?

Jun 28, 2012 · Replies 5 · Jun 30, 2012

Replies: 5

Views: 7K

Trying to understand ground loop in a car

Jun 22, 2012 · Replies 4 · Jun 29, 2012

Replies: 4

Views: 2K

A service to buy/sell custom hardware projects?

Jun 28, 2012 · Replies 5 · Jun 29, 2012

Replies: 5

Views: 2K

What Is the Permittivity of Al2O3 Over 95% Polished?

Jun 29, 2012 · Replies 1 · Jun 29, 2012

Replies: 1

Views: 4K

Understanding Transistor IC-Vce Graphs

Jun 28, 2012 · Replies 16 · Jun 29, 2012

Replies: 16

Views: 10K

Semiconductor Diodes: Calculating Rf and Why VD=0

Jun 28, 2012 · Replies 2 · Jun 29, 2012

Replies: 2

Views: 2K

How Do You Test Coax Cable Assembly Characteristics Using a VNA and Smith Chart?

Jun 28, 2012 · Replies 4 · Jun 29, 2012

Replies: 4

Views: 2K

Electromagnet: How to build the right one?

Jun 26, 2012 · Replies 8 · Jun 28, 2012

Replies: 8

Views: 5K

How important is Programming in EEE

Jun 26, 2012 · Replies 16 · Jun 28, 2012

Replies: 16

Views: 5K

Need some help - really stumped with this AC Capacitor issue

Jun 26, 2012 · Replies 7 · Jun 28, 2012

Replies: 7

Views: 2K

555 Voltage Controlled Oscillator 1v/octave

Jun 25, 2012 · Replies 8 · Jun 28, 2012

Replies: 8

Views: 19K

DIY Electric Heating System for Camper Van | Low Noise, Low Voltage, High Output

Jun 28, 2012 · Replies 1 · Jun 28, 2012

Replies: 1

Views: 2K

Homebuilt electric car Battery conundrum.

Jun 28, 2012 · Replies 1 · Jun 28, 2012

Replies: 1

Views: 2K

Why are wires made of many thin threads?

Jun 25, 2012 · Replies 14 · Jun 28, 2012

Replies: 14

Views: 13K

Solving circuit using Laplace Transforms

Jun 27, 2012 · Replies 5 · Jun 28, 2012

Replies: 5

Views: 3K

How Does Phase Shift Affect Resonant Frequency in PEC Cylinders?

Jun 27, 2012 · Replies 6 · Jun 27, 2012

Replies: 6

Views: 2K

AC/DC Switch Ratings for Motor Control: Which Rating to Use?

Jun 26, 2012 · Replies 4 · Jun 27, 2012

Replies: 4

Views: 3K

Why is W=0 not included in the excitation table for counters?

Jun 23, 2012 · Replies 2 · Jun 27, 2012

Replies: 2

Views: 4K

What is the magnetic effect on an electric current.

Jun 25, 2012 · Replies 9 · Jun 27, 2012

Replies: 9

Views: 5K

RC discharge into an LR circuit

Jun 27, 2012 · Replies 1 · Jun 27, 2012

Replies: 1

Views: 2K

Confusion about vertical polarization and horizontal polarization

Jun 23, 2012 · Replies 10 · Jun 27, 2012

Replies: 10

Views: 8K

A difference amplifier question

Apr 6, 2012 · Replies 2 · Jun 27, 2012

Replies: 2

Views: 2K

What Am I Doing Wrong in Calculating the Half-Power Frequency?

May 31, 2012 · Replies 5 · Jun 27, 2012

Replies: 5

Views: 26K

Fading In/Out LEDs with Mic and Amplifier

Jun 26, 2012 · Replies 2 · Jun 27, 2012

Replies: 2

Views: 2K

Generator VAr Import and Reverse Power

Jun 17, 2012 · Replies 11 · Jun 27, 2012

Replies: 11

Views: 15K

Derating PFC Capacitors for 50Hz Wind Turbine Conversion | Expert Tips

Jun 26, 2012 · Replies 4 · Jun 26, 2012

Replies: 4

Views: 2K

National Instruments MultiSim, or something else?

Jun 26, 2012 · Replies 1 · Jun 26, 2012

Replies: 1

Views: 3K

How Can Ethernet Support Both Internet and Printing Requests?

Jun 18, 2012 · Replies 4 · Jun 26, 2012

Replies: 4

Views: 5K

Parallel Resonant circuit with L with series R

Feb 17, 2012 · Replies 6 · Jun 26, 2012

Replies: 6

Views: 9K

Capacitors for power utilities and electric apparatus

Jun 25, 2012 · Replies 1 · Jun 26, 2012

Replies: 1

Views: 2K

How to Design an Energy Detection Device for Home Consumption Reduction?

Jun 24, 2012 · Replies 5 · Jun 26, 2012

Replies: 5

Views: 2K

Trouble Shooting Blown Sub Woofer in a Car

Jun 23, 2012 · Replies 26 · Jun 26, 2012

Replies: 26

Views: 4K

Isolating harmonics with band-pass filter

Jun 25, 2012 · Replies 1 · Jun 26, 2012

Replies: 1

Views: 2K

Where Do I Start with a Microcontroller Project?

Jun 24, 2012 · Replies 4 · Jun 25, 2012

Replies: 4

Views: 3K

Is this possibile to do with a alternator?

Jun 22, 2012 · Replies 19 · Jun 25, 2012

Replies: 19

Views: 3K

What Determines the Charge Needed for a Spark Between Two Objects?

Jun 16, 2012 · Replies 4 · Jun 25, 2012

Replies: 4

Views: 3K

Trying to increase the magnetic flux density

Jun 22, 2012 · Replies 8 · Jun 25, 2012

Replies: 8

Views: 10K

Total Current Draw Of LED And Resistor Combined

Jun 18, 2012 · Replies 22 · Jun 25, 2012

Replies: 22

Views: 9K

Maxwell13 Tutorials - Ansoft: Get Started with Axial Flux PMG

Dec 10, 2010 · Replies 12 · Jun 25, 2012

Replies: 12

Views: 5K

Discover the Fascinating Movement of d'Arsonval Meter | Animation Tutorial

Jun 24, 2012 · Replies 1 · Jun 25, 2012

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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