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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 Type of Sensor Can Measure the Distance Between Hands Accurately?

Nov 14, 2011 · Replies 3 · Nov 18, 2011

Replies: 3

Views: 2K

Can You Clarify the Grounding and Power Source in this FM Transmitter Circuit?

Jun 5, 2008 · Replies 15 · Nov 18, 2011

Replies: 15

Views: 18K

1.5 V simple motor increase rpm

Nov 17, 2011 · Replies 6 · Nov 17, 2011

Replies: 6

Views: 7K

12v dc motor speed self limited?

Nov 17, 2011 · Replies 1 · Nov 17, 2011

Replies: 1

Views: 3K

Calculation of capacitance of transmission lines

Nov 17, 2011 · Replies 3 · Nov 17, 2011

Replies: 3

Views: 4K

Phase voltages from line voltages calculations

Nov 17, 2011 · Replies 1 · Nov 17, 2011

Replies: 1

Views: 3K

E-Field Breakdown: Realistic Values in Air & FR4

Nov 15, 2011 · Replies 6 · Nov 17, 2011

Replies: 6

Views: 3K

How to recognize patterns in an analog waveform?

Nov 14, 2011 · Replies 3 · Nov 17, 2011

Replies: 3

Views: 3K

Emitter and Collector Resistance in Differential Amplifier.

Nov 15, 2011 · Replies 8 · Nov 17, 2011

Replies: 8

Views: 5K

Radio Frequency Interference (RFI)

Nov 15, 2011 · Replies 8 · Nov 17, 2011

Replies: 8

Views: 8K

Time/Frequency Domain Contraction/Expansion

Nov 16, 2011 · Replies 3 · Nov 17, 2011

Replies: 3

Views: 5K

Why do we need a voltage regulator here?

Nov 16, 2011 · Replies 4 · Nov 17, 2011

Replies: 4

Views: 6K

Output Impedance Explained: Simple Answers to Confusing Questions

Nov 17, 2011 · Replies 1 · Nov 17, 2011

Replies: 1

Views: 2K

Two port impedance, negative inductance?

Nov 16, 2011 · Replies 1 · Nov 17, 2011

Replies: 1

Views: 3K

Why is my AM detector output distorted and only at 110mV peak instead of 700mV?

Nov 16, 2011 · Replies 3 · Nov 16, 2011

Replies: 3

Views: 3K

How may signals travel through a cable without interfernce?

Nov 16, 2011 · Replies 8 · Nov 16, 2011

Replies: 8

Views: 3K

How does a computer understand instructions and perform operations?

Nov 16, 2011 · Replies 3 · Nov 16, 2011

Replies: 3

Views: 2K

Op-Amp Input Voltage: Explained

Nov 14, 2011 · Replies 15 · Nov 16, 2011

Replies: 15

Views: 6K

Feeding electricity to the grid and generator loads

Nov 14, 2011 · Replies 3 · Nov 16, 2011

Replies: 3

Views: 3K

How to Design a Coil to Achieve 0.5 Tesla?

Nov 16, 2011 · Replies 1 · Nov 16, 2011

Replies: 1

Views: 3K

Would a four layer board be beneficial for me?

Nov 7, 2011 · Replies 23 · Nov 15, 2011

Replies: 23

Views: 4K

Op-Amp Precision Diode: Eliminating Voltage Drop

Nov 15, 2011 · Replies 4 · Nov 15, 2011

Replies: 4

Views: 4K

Transistor drain currents and changing width & length sizes

Nov 15, 2011 · Replies 2 · Nov 15, 2011

Replies: 2

Views: 3K

DC Motor Speed: Does it Reach Constant Rotation?

Nov 15, 2011 · Replies 1 · Nov 15, 2011

Replies: 1

Views: 2K

AC or DC: Which is the Right Mode for Oscilloscope Output in Comparators?

Nov 14, 2011 · Replies 9 · Nov 15, 2011

Replies: 9

Views: 17K

What is the relationship between voltage and current in AC circuits?

Nov 14, 2011 · Replies 2 · Nov 14, 2011

Replies: 2

Views: 3K

What is the derivation for the sinusoidal waveform in an alternating current?

Nov 14, 2011 · Replies 2 · Nov 14, 2011

Replies: 2

Views: 2K

Distortion in rc coupled amplifier

Nov 13, 2011 · Replies 3 · Nov 14, 2011

Replies: 3

Views: 3K

Thevenin's Theorem : Reason behind 'nullifying' or 'suppressing' sources?

Nov 14, 2011 · Replies 3 · Nov 14, 2011

Replies: 3

Views: 5K

Record-Breaking Capacitance: What is the Highest Ever Achieved?

Nov 12, 2011 · Replies 29 · Nov 14, 2011

Replies: 29

Views: 6K

30kv .3mA DC power supply tips?

Nov 11, 2011 · Replies 4 · Nov 14, 2011

Replies: 4

Views: 3K

Magnet & Coil: Causes of Pistons Stroke

Nov 14, 2011 · Replies 5 · Nov 14, 2011

Replies: 5

Views: 3K

How Can I Calculate Inductance at High Frequencies?

Nov 13, 2011 · Replies 3 · Nov 13, 2011

Replies: 3

Views: 8K

Electric Generator/Control selection help

Nov 12, 2011 · Replies 2 · Nov 13, 2011

Replies: 2

Views: 2K

Peltier minimum temparature to work

Oct 26, 2011 · Replies 4 · Nov 13, 2011

Replies: 4

Views: 3K

Sequential Circuits: How Are They Stored?

Nov 12, 2011 · Replies 3 · Nov 12, 2011

Replies: 3

Views: 3K

What exactly is d c motor running on no-load?

Apr 16, 2011 · Replies 15 · Nov 12, 2011

Replies: 15

Views: 4K

How to measure signal from a piezoelectric sensor?

Nov 12, 2011 · Replies 3 · Nov 12, 2011

Replies: 3

Views: 3K

Transconductance Stage: Explanation & Examples

Nov 12, 2011 · Replies 2 · Nov 12, 2011

Replies: 2

Views: 2K

Information theory and source coding-application

Nov 12, 2011 · Replies 6 · Nov 12, 2011

Replies: 6

Views: 2K

Electro-Magnet with a Car Battery Help

Nov 12, 2011 · Replies 4 · Nov 12, 2011

Replies: 4

Views: 11K

Why do birds on power lines not act as resistors?

Nov 6, 2011 · Replies 40 · Nov 11, 2011

2

Replies: 40

Views: 11K

How to calculate magnetic/electric field near an overhead power line?

Nov 11, 2011 · Replies 3 · Nov 11, 2011

Replies: 3

Views: 5K

Motor Resisting Variable Downward Force

Nov 11, 2011 · Replies 2 · Nov 11, 2011

Replies: 2

Views: 2K

3 ways of transient processes, in LRC circuits

Nov 11, 2011 · Replies 2 · Nov 11, 2011

Replies: 2

Views: 3K

Interpreting MOSFET ID/Vds curve for a MOSFET Switch

Nov 11, 2011 · Replies 1 · Nov 11, 2011

Replies: 1

Views: 13K

How Can Nonlinear Systems be Modeled without Aliasing Artifacts?

Nov 11, 2011 · Replies 3 · Nov 11, 2011

Replies: 3

Views: 2K

Biasing NMOS using current mirror

Nov 8, 2011 · Replies 6 · Nov 11, 2011

Replies: 6

Views: 4K

What is the difference?flux and charge

Nov 10, 2011 · Replies 12 · Nov 11, 2011

Replies: 12

Views: 6K

How Does an Induction Generator Feed Energy Back to the Supply?

Nov 9, 2011 · Replies 2 · Nov 11, 2011

Replies: 2

Views: 3K

Sinc as fourier of rect function

Nov 10, 2011 · Replies 1 · Nov 10, 2011

Replies: 1

Views: 3K

Low-pass filters, frequency selection and H(jw)

Nov 8, 2011 · Replies 17 · Nov 10, 2011

Replies: 17

Views: 10K

What is a good Overdrive Factor for a BJT?

Nov 9, 2011 · Replies 5 · Nov 10, 2011

Replies: 5

Views: 14K

How to get C0 of a piezoelectric material.

Nov 9, 2011 · Replies 2 · Nov 10, 2011

Replies: 2

Views: 2K

Get rid of excess volts/current

Nov 10, 2011 · Replies 1 · Nov 10, 2011

Replies: 1

Views: 2K

Phase distortion near nyquist frequency

Nov 8, 2011 · Replies 1 · Nov 9, 2011

Replies: 1

Views: 3K

Why Does Fullwave Bridge Rectification Raise Voltage by 1.41?

Nov 9, 2011 · Replies 4 · Nov 9, 2011

Replies: 4

Views: 2K

Ohmic heating to heat hockey stick blade glue

Nov 7, 2011 · Replies 4 · Nov 9, 2011

Replies: 4

Views: 3K

Questions about a Piezo igniter

Nov 6, 2011 · Replies 3 · Nov 9, 2011

Replies: 3

Views: 10K

Why Does Id Increase with Constant Vgs Despite Body Effect?

Nov 8, 2011 · Replies 3 · Nov 9, 2011

Replies: 3

Views: 3K

Need help with a 12 watt Audio amplifier

May 18, 2009 · Replies 13 · Nov 8, 2011

Replies: 13

Views: 7K

Why are load capacitors necessary for crystal oscillators?

Nov 5, 2011 · Replies 3 · Nov 8, 2011

Replies: 3

Views: 4K

Important Maths Topics For E.E.

Nov 8, 2011 · Replies 1 · Nov 8, 2011

Replies: 1

Views: 2K

Understanding Sine Wave Production with an LC Filter and Inverter PWM Waveform

Aug 17, 2011 · Replies 7 · Nov 8, 2011

Replies: 7

Views: 4K

Why Does My Letterpress Machine Keep Blowing Fuses?

Nov 6, 2011 · Replies 16 · Nov 8, 2011

Replies: 16

Views: 5K

Forward Voltage / Dropped Voltage / LEDs

Nov 7, 2011 · Replies 4 · Nov 7, 2011

Replies: 4

Views: 9K

Tree Branch on Wires: Discuss Strange Arc & Effect

Nov 7, 2011 · Replies 16 · Nov 7, 2011

Replies: 16

Views: 3K

Resonance-overvoltage & undervoltage

Nov 5, 2011 · Replies 8 · Nov 7, 2011

Replies: 8

Views: 6K

Powering RC Hobby Motor with Integy 7.2V Battery

Nov 6, 2011 · Replies 2 · Nov 7, 2011

Replies: 2

Views: 2K

Computer Simulation of Wireless Induction?

Nov 7, 2011 · Replies 2 · Nov 7, 2011

Replies: 2

Views: 2K

What is the Physics Behind Reactive Power in Power Engineering?

Nov 6, 2011 · Replies 5 · Nov 7, 2011

Replies: 5

Views: 4K

How to Implement IDEA Algorithm in VHDL?

Nov 3, 2011 · Replies 1 · Nov 7, 2011

Replies: 1

Views: 4K

Is an Inductor Consuming or Delivering Reactive Power?

Nov 5, 2011 · Replies 3 · Nov 7, 2011

Replies: 3

Views: 4K

Lithium-Polymer battery fire safety precautions

Nov 4, 2011 · Replies 4 · Nov 6, 2011

Replies: 4

Views: 6K

Pre requisit to study transmission lines and wave guides

Nov 6, 2011 · Replies 3 · Nov 6, 2011

Replies: 3

Views: 2K

Building a solenoid need advice

Nov 5, 2011 · Replies 2 · Nov 6, 2011

Replies: 2

Views: 3K

Output Intensity Profile of Multimode Fiber

Nov 5, 2011 · Replies 2 · Nov 6, 2011

Replies: 2

Views: 5K

Why is it difficult to find a small electric motor with 2000RPM and good torque?

Nov 4, 2011 · Replies 9 · Nov 6, 2011

Replies: 9

Views: 6K

Charge Battery Through Water: Is It Possible?

Nov 4, 2011 · Replies 3 · Nov 5, 2011

Replies: 3

Views: 2K

Digital vs Analog - Noise Distortion

Sep 5, 2011 · Replies 7 · Nov 5, 2011

Replies: 7

Views: 10K

Motor wiring - will phases be unbalanced?

Jul 20, 2011 · Replies 4 · Nov 5, 2011

Replies: 4

Views: 6K

Software for transient states of circuits

Nov 1, 2011 · Replies 2 · Nov 5, 2011

Replies: 2

Views: 2K

Build an AM Transmitter with RLC Circuit

Nov 4, 2011 · Replies 1 · Nov 5, 2011

Replies: 1

Views: 4K

Help in noise calculation of BJT.

Nov 2, 2011 · Replies 7 · Nov 5, 2011

Replies: 7

Views: 5K

Can someone give me an idea on different areas of EE and the skill set required?

Nov 3, 2011 · Replies 6 · Nov 5, 2011

Replies: 6

Views: 3K

Confusion regarding negative resistance circuits

Nov 2, 2011 · Replies 3 · Nov 4, 2011

Replies: 3

Views: 5K

What's the Difference Between 13.8kV and 14.4kV for Higher Voltage Equipment?

Nov 2, 2011 · Replies 1 · Nov 4, 2011

Replies: 1

Views: 2K

How to make a difference of potential inside a fly (with video)

Nov 4, 2011 · Replies 5 · Nov 4, 2011

Replies: 5

Views: 2K

Finding Reliable Power for a Small Battle-Bot: A Scientist's Guide

Oct 31, 2011 · Replies 7 · Nov 4, 2011

Replies: 7

Views: 2K

How to choose the correct wire gauge & size of a wire

Nov 4, 2011 · Replies 3 · Nov 4, 2011

Replies: 3

Views: 8K

PLC programmin relevant to circuits/digital computing?

Oct 28, 2011 · Replies 8 · Nov 4, 2011

Replies: 8

Views: 3K

How does a simple calculator work?

Jul 30, 2006 · Replies 10 · Nov 4, 2011

Replies: 10

Views: 49K

Improving Vehicle Safety with Traction Control: A Senior Design Project

Oct 1, 2009 · Replies 6 · Nov 4, 2011

Replies: 6

Views: 11K

Building a 6V DC Circuit Switch for Rapid On/Off

Oct 19, 2011 · Replies 13 · Nov 3, 2011

Replies: 13

Views: 3K

12 volt switch from 5 volt supply

Nov 2, 2011 · Replies 7 · Nov 3, 2011

Replies: 7

Views: 4K

Use resistors to simulate heat from microprocessor?

Nov 2, 2011 · Replies 2 · Nov 2, 2011

Replies: 2

Views: 3K

Newby Question on Inductive Sensor Coil Specs

Oct 30, 2011 · Replies 2 · Nov 2, 2011

Replies: 2

Views: 3K

Reusing Old PC Power Supply: Making Voltage Source & Safety Tips

Nov 2, 2011 · Replies 3 · Nov 2, 2011

Replies: 3

Views: 2K

How can I create a 24V control/test box with +/- 10 VDC output and test points?

Oct 28, 2011 · Replies 11 · Nov 2, 2011

Replies: 11

Views: 4K

Looking for help Setting up a Power Recovery Circuit

Nov 2, 2011 · Replies 2 · Nov 2, 2011

Replies: 2

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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