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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 Base Value Calculations: Line vs Phase Voltage Explained"

May 4, 2011 · Replies 3 · May 7, 2011

Replies: 3

Views: 3K

Problems with tesla coil, looking for suggestions

May 3, 2011 · Replies 2 · May 7, 2011

Replies: 2

Views: 3K

Current flow quandary. Capacitors VS Resistors

May 7, 2011 · Replies 8 · May 7, 2011

Replies: 8

Views: 3K

Can Any LTI System Be Characterized by Its Impulse Response or Eigenvalues?

May 6, 2011 · Replies 1 · May 7, 2011

Replies: 1

Views: 2K

Help with making a device (cheap media hub)

May 6, 2011 · Replies 6 · May 7, 2011

Replies: 6

Views: 2K

Noise from unplugged power supply :S

May 7, 2011 · Replies 3 · May 7, 2011

Replies: 3

Views: 2K

Understanding PNP Transistor Working Modes: A Quick Question

May 6, 2011 · Replies 12 · May 7, 2011

Replies: 12

Views: 4K

What Happens to Op-Amp Gain When Switch is On?

May 7, 2011 · Replies 5 · May 7, 2011

Replies: 5

Views: 3K

Potentiostat the potentiostat circuit

Mar 7, 2010 · Replies 2 · May 7, 2011

Replies: 2

Views: 5K

Why oversample if you already satisfy Nyquist rate?

May 7, 2011 · Replies 1 · May 7, 2011

Replies: 1

Views: 3K

Inductance of Solenoid w/ Rod Inside: R, L, N, I, μ

May 7, 2011 · Replies 1 · May 7, 2011

Replies: 1

Views: 2K

Can a 24V Relay be Energized Safely with a 6A Power Supply?

May 6, 2011 · Replies 3 · May 6, 2011

Replies: 3

Views: 3K

One sided noise spectral density VS double sided noise spectral density

Apr 5, 2011 · Replies 1 · May 6, 2011

Replies: 1

Views: 32K

RF Design Help: Re-Learn and Combine 2 Networks

May 5, 2011 · Replies 5 · May 6, 2011

Replies: 5

Views: 3K

Anti theft gate things in shops/libraries.

May 6, 2011 · Replies 5 · May 6, 2011

Replies: 5

Views: 3K

Is it safe to run laptop and router on modified sine wave inverter?

May 6, 2011 · Replies 3 · May 6, 2011

Replies: 3

Views: 17K

Transformer primary to secondary short?

May 4, 2011 · Replies 12 · May 6, 2011

Replies: 12

Views: 11K

Flip Flops and clocks with multisim

Nov 18, 2005 · Replies 6 · May 6, 2011

Replies: 6

Views: 45K

Transformer Short Circuit: Test Results and Solutions

May 4, 2011 · Replies 13 · May 6, 2011

Replies: 13

Views: 19K

How Do Minority and Majority Carriers Affect Current in a PN Junction?

May 5, 2011 · Replies 1 · May 5, 2011

Replies: 1

Views: 2K

Need help in undestanding a rectifier.

Apr 26, 2011 · Replies 28 · May 5, 2011

Replies: 28

Views: 6K

Is Reactance the Magnitude of Impedance or Its Complex Part?

May 4, 2011 · Replies 2 · May 5, 2011

Replies: 2

Views: 2K

Can the output voltage of a circuit be larger than its input

May 3, 2011 · Replies 9 · May 4, 2011

Replies: 9

Views: 28K

Filter Signal: High or Low Pass?

May 3, 2011 · Replies 2 · May 4, 2011

Replies: 2

Views: 3K

Can I adjust R4 and R5 to maintain a 12k input impedance?

May 4, 2011 · Replies 4 · May 4, 2011

Replies: 4

Views: 4K

Triax Vacuum Connector - Where to Buy & Alternatives

May 4, 2011 · Replies 2 · May 4, 2011

Replies: 2

Views: 3K

Electronics Repair: Just an Observation

May 3, 2011 · Replies 4 · May 4, 2011

Replies: 4

Views: 2K

AC and DC Windings: Understanding the Difference

May 4, 2011 · Replies 2 · May 4, 2011

Replies: 2

Views: 3K

Troubleshooting 555 Timer Output to 2/3 Vcc

May 2, 2011 · Replies 6 · May 4, 2011

Replies: 6

Views: 3K

Understanding Delta & Star Load Connections

May 1, 2011 · Replies 4 · May 4, 2011

Replies: 4

Views: 2K

Thermocouple in inductive surrounding

Apr 20, 2011 · Replies 3 · May 4, 2011

Replies: 3

Views: 2K

10 Pin Dual 7 Segment Display cant find documentation

Aug 17, 2009 · Replies 11 · May 3, 2011

Replies: 11

Views: 9K

Calculating DAC Decimal Resolution with R-2R Ladder and 1 Volt Input

May 2, 2011 · Replies 5 · May 3, 2011

Replies: 5

Views: 3K

Battery Series Powering GPS Device: Safe?

May 2, 2011 · Replies 5 · May 3, 2011

Replies: 5

Views: 3K

Why is the bandwidth of the RF filter is wider compared to that of an IF Filter?

Aug 23, 2008 · Replies 4 · May 3, 2011

Replies: 4

Views: 8K

Series Connected D.C Motor Characteristics

Apr 28, 2011 · Replies 5 · May 3, 2011

Replies: 5

Views: 5K

Solenoid and toroid inductance puzzle

May 1, 2011 · Replies 5 · May 3, 2011

Replies: 5

Views: 5K

Why Is Flatband Voltage of a MOS Capacitor Linked to Work Function Differences?

May 21, 2006 · Replies 6 · May 3, 2011

Replies: 6

Views: 27K

How to design and construct a LDR

May 3, 2011 · Replies 1 · May 3, 2011

Replies: 1

Views: 1K

DIY Tripwire Alarm Circuit for Beginners

May 3, 2011 · Replies 1 · May 3, 2011

Replies: 1

Views: 2K

How Many Turns Requred For 220v-100v,180v 100VA Rating Transformer

May 2, 2011 · Replies 1 · May 3, 2011

Replies: 1

Views: 4K

How Does a DC Power Supply Function and What Are Its Key Features?

Mar 22, 2011 · Replies 36 · May 2, 2011

2

Replies: 36

Views: 7K

How to design a ciruit that has 2 LED Lights

Apr 29, 2011 · Replies 10 · May 2, 2011

Replies: 10

Views: 3K

Trying to make an RTD that also duals as a heater

May 1, 2011 · Replies 2 · May 2, 2011

Replies: 2

Views: 3K

Comparing US 120V vs EU 220V for Dishwasher Power

Apr 28, 2011 · Replies 24 · May 2, 2011

Replies: 24

Views: 6K

Need Help finding Conductive Adhesive Film

Apr 29, 2011 · Replies 7 · May 2, 2011

Replies: 7

Views: 2K

Anderson bridge used to measure self-inductance.

Oct 23, 2006 · Replies 3 · May 2, 2011

Replies: 3

Views: 39K

How to Determine Ohms and Wattage for R2 in a Black & Decker Drill Charger?

Aug 21, 2009 · Replies 10 · May 2, 2011

Replies: 10

Views: 7K

Why do switches spark when opening a connection to a load?

Apr 28, 2011 · Replies 4 · May 2, 2011

Replies: 4

Views: 4K

Why Do Minority Carriers Persist in P-Type Material?

May 1, 2011 · Replies 3 · May 2, 2011

Replies: 3

Views: 3K

Working in the semiconductor field?

Apr 29, 2011 · Replies 1 · May 1, 2011

Replies: 1

Views: 2K

Analog sensor data over the ethernet

Apr 30, 2011 · Replies 1 · May 1, 2011

Replies: 1

Views: 2K

Changing voltmeter resistor value

Apr 30, 2011 · Replies 11 · May 1, 2011

Replies: 11

Views: 7K

How Can I Make a Pure Sine Wave Inverter with Limited Voltage and Current?

Jan 20, 2011 · Replies 5 · May 1, 2011

Replies: 5

Views: 11K

Graphical Convolution in Physics & Electrical Engineering

Apr 29, 2011 · Replies 4 · May 1, 2011

Replies: 4

Views: 7K

Understanding 555 Timer Monostable Mode

Apr 30, 2011 · Replies 4 · May 1, 2011

Replies: 4

Views: 2K

Why RDSon has postive temp coefficent

Apr 29, 2011 · Replies 3 · May 1, 2011

Replies: 3

Views: 2K

When Is Node Voltage Not Equal to Voltage Source?

Apr 30, 2011 · Replies 3 · Apr 30, 2011

Replies: 3

Views: 3K

DC Motor Control for Portable Telescope Mounts: Maintaining Constant Speed

Mar 14, 2011 · Replies 5 · Apr 30, 2011

Replies: 5

Views: 4K

MC34063A Switch Regulator: Questions & Answers

Apr 23, 2011 · Replies 4 · Apr 30, 2011

Replies: 4

Views: 4K

Help understanding how a battery works.

Apr 29, 2011 · Replies 2 · Apr 30, 2011

Replies: 2

Views: 2K

Grounding the output of the circuit

Apr 30, 2011 · Replies 2 · Apr 30, 2011

Replies: 2

Views: 2K

Seeking more information about this intriguing path

Apr 25, 2011 · Replies 3 · Apr 30, 2011

Replies: 3

Views: 2K

Bjt npn base collector junction breakdown

Apr 25, 2011 · Replies 2 · Apr 30, 2011

Replies: 2

Views: 4K

Linear and Non linear HEMT model

Apr 24, 2011 · Replies 1 · Apr 30, 2011

Replies: 1

Views: 2K

What Do Standby and Cyclic Use Ratings Mean for Batteries?

Apr 24, 2011 · Replies 1 · Apr 30, 2011

Replies: 1

Views: 10K

Why Does the I-V Characteristic Curve Invert in PC1D Simulations?

Apr 23, 2011 · Replies 1 · Apr 30, 2011

Replies: 1

Views: 5K

Build a Device to Connect to a TV: What Hardware is Needed?

Apr 25, 2011 · Replies 6 · Apr 29, 2011

Replies: 6

Views: 2K

Difference in current to load with series/parallel sources

Apr 28, 2011 · Replies 9 · Apr 29, 2011

Replies: 9

Views: 21K

How Can You Calculate Near-Peak Power Consumption for a DC Motor at High RPMs?

Apr 6, 2011 · Replies 10 · Apr 28, 2011

Replies: 10

Views: 5K

Project: Designing 8088 Microprocessor-Driven Stepper Motor Controller

Apr 28, 2011 · Replies 1 · Apr 28, 2011

Replies: 1

Views: 5K

What Is the Difference Between a DC/DC Converter and a DC/DC Controller?

Apr 27, 2011 · Replies 2 · Apr 28, 2011

Replies: 2

Views: 5K

Systems of complex-number equations, how to solve?

Apr 6, 2008 · Replies 11 · Apr 28, 2011

Replies: 11

Views: 48K

Gain Across a Band on PNA: Is it an FFT?

Apr 17, 2011 · Replies 6 · Apr 27, 2011

Replies: 6

Views: 2K

Transistors: Find Best Book for Detailed Study

Apr 27, 2011 · Replies 6 · Apr 27, 2011

Replies: 6

Views: 6K

Can Some Help Explain This Circuit to me? its a LED Audio VU meter circuit

Apr 25, 2011 · Replies 7 · Apr 27, 2011

Replies: 7

Views: 4K

Can a Simple XOR Gate Achieve Interrupt-Driven Behavior in a Digital Circuit?

Apr 27, 2011 · Replies 1 · Apr 27, 2011

Replies: 1

Views: 2K

Using a wireless phone 160ft underground?

Apr 24, 2011 · Replies 5 · Apr 27, 2011

Replies: 5

Views: 2K

How can I use DSP to analyze a noisy sensor signal?

Apr 25, 2011 · Replies 3 · Apr 27, 2011

Replies: 3

Views: 2K

Why is Grounding Essential in Car Electrical Systems?

Apr 27, 2011 · Replies 4 · Apr 27, 2011

Replies: 4

Views: 6K

Which is Better for Line Tracking: IR Sensors or Phototransistors?

Apr 26, 2011 · Replies 4 · Apr 27, 2011

Replies: 4

Views: 5K

Audio Circuit Troubleshooting: Why Am I Getting No Sound From My Guitar Amp?

Apr 27, 2011 · Replies 1 · Apr 27, 2011

Replies: 1

Views: 2K

Measuring current on a loop without a conventional source

Apr 26, 2011 · Replies 10 · Apr 26, 2011

Replies: 10

Views: 4K

Does Superposition Theorm Apply to power?

Feb 2, 2007 · Replies 5 · Apr 26, 2011

Replies: 5

Views: 27K

Opinions Needed - Resonant Radiant Energy

Apr 20, 2011 · Replies 2 · Apr 26, 2011

Replies: 2

Views: 4K

Help with 4017 Circuit for 8V IR Sensor Pulse Counting

Apr 25, 2011 · Replies 1 · Apr 26, 2011

Replies: 1

Views: 2K

Improve Your Door Bell Circuit with These Simple Tips

Apr 26, 2011 · Replies 4 · Apr 26, 2011

Replies: 4

Views: 2K

Making a remote, but new to electrical engineering

Apr 26, 2011 · Replies 3 · Apr 26, 2011

Replies: 3

Views: 2K

How Does HM2007 Process Speech and Output Data?

Apr 23, 2011 · Replies 1 · Apr 26, 2011

Replies: 1

Views: 2K

Is HM2007 Available in Pakistan?

Apr 23, 2011 · Replies 2 · Apr 26, 2011

Replies: 2

Views: 2K

Trouble with 25 LED Counter Setup - Need Advice

Apr 23, 2011 · Replies 10 · Apr 26, 2011

Replies: 10

Views: 3K

Load Control Circuit: Reduce Wasted Power in Design

Apr 25, 2011 · Replies 6 · Apr 25, 2011

Replies: 6

Views: 3K

Electromagnets and spinning objects

Apr 25, 2011 · Replies 7 · Apr 25, 2011

Replies: 7

Views: 5K

Earthing Transformer Size for 5MVA 11KV Transformer | DPV

Apr 24, 2011 · Replies 4 · Apr 25, 2011

Replies: 4

Views: 4K

Can someone me understand this circuit?

Apr 25, 2011 · Replies 3 · Apr 25, 2011

Replies: 3

Views: 2K

How to Determine Amplitude and Phase of a Time-Varying Sinusoidal Signal?

Apr 25, 2011 · Replies 3 · Apr 25, 2011

Replies: 3

Views: 2K

What is the fault current calculation for a broken line touching a pole?

Apr 18, 2011 · Replies 3 · Apr 24, 2011

Replies: 3

Views: 8K

EE Student Toolbox: Buy Basic Tools for Your Kit

Apr 24, 2011 · Replies 2 · Apr 24, 2011

Replies: 2

Views: 3K

How can negative potential difference be achieved in an electric circuit?

Apr 24, 2011 · Replies 2 · Apr 24, 2011

Replies: 2

Views: 7K

What type of electric motor is beter?

Apr 23, 2011 · Replies 3 · Apr 24, 2011

Replies: 3

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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