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...

Threads

Question on electric cars coming in the future

  • sangackt
  • · Replies 8 ·
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8

How to Construct a Variable-Output Current Supply Using Op-Amps?

  • dyordyen
  • · Replies 10 ·
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10

Why do LED throwies last longer than expected with a small 3V watch battery?

  • lampshade
  • · Replies 6 ·
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6

Using transistor to switch leds on/off

  • nyxynyx
  • · Replies 3 ·
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3

Which microcontroller is recommended for a home automated system project?

  • bumclouds
  • · Replies 9 ·
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9

Circuit Projects: Analog & Digital Circuits with Motors

  • Winzer
  • · Replies 3 ·
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3

Photovoltaic cell as an on/off switch - circuit help

  • n1ftyneil
  • · Replies 2 ·
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2

What Are the Potential Applications of Wireless Electricity in Remote Areas?

  • AhmedEzz
  • · Replies 16 ·
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16

Modifying Line Voltage for Belt Sander Racing

  • WAcarpenter
  • · Replies 18 ·
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18

How can I control an LED array for creating patterns and designs?

  • ashon1980
  • · Replies 1 ·
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1

How to determine the ground wire

  • Roberto1
  • · Replies 1 ·
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1

Urgent BJT Current Issue Help: Understanding Passive Sign Convention

  • madchiller
  • · Replies 10 ·
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10

Effective bit depth of averaged pixels?

  • leright
  • · Replies 11 ·
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11

Use PIC microcontroller for Time application

  • sanyad
  • · Replies 3 ·
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3

Superbright leds and potential dividers

  • nyxynyx
  • · Replies 2 ·
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2

What Type of Sensor Best Measures Relative 2D Position Against Obstructions?

  • JFChalmers
  • · Replies 22 ·
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22

Q: What is the Purpose of a Capacitance Bridge & How Does it Impact Output Q?

  • casanova2528
  • · Replies 10 ·
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10

Seeking Advice on Increasing Electric Motor Power Output

  • spongebob_79
  • · Replies 31 ·
2
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31

EKC during a stress test; noise filtering

  • fedaykin
  • · Replies 1 ·
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1

Capacitor: RMS value or double RMS value?

  • Dcus
  • · Replies 9 ·
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9

How Long Does it Take to Generate 100MW with a Generator?

  • karthikgnv
  • · Replies 5 ·
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5

How to convert a 240v gas mig180 welder to pure DC to use gasless wire

  • kenwood
  • · Replies 3 ·
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3

Low Voltage Problem: Do I Need to Rerun Wiring?

  • mumblemouth
  • · Replies 3 ·
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3

Is y(t) Time-Invariant? Debating an Elementary Question

  • WolfOfTheSteps
  • · Replies 3 ·
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3
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1

Help with resistors / Amateur Project

  • anakinjay
  • · Replies 9 ·
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9

Learning Signal & System: Books to Get Started

  • taninsaz
  • · Replies 5 ·
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5

Any tips on being more hardware savvy?

  • Ian_Brooks
  • · Replies 2 ·
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2

Understand Electrical Fast Transient (EFT) Meaning

  • pixel01
  • · Replies 2 ·
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2

How do I reduce noise of the output voltage?

  • cks
  • · Replies 10 ·
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10
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4

Neutral in 3-Phase & Single-Phase Systems: Function & Current

  • XPTPCREWX
  • · Replies 4 ·
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4

High Frequency Signals & BNC Cables: Explained

  • cks
  • · Replies 1 ·
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1
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1

Line and Phase Transformation Ratio

  • maverick280857
  • · Replies 1 ·
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1

Purchasing a Function Generator

  • JoshHolloway
  • · Replies 1 ·
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1

Time constant of photodiode? parallel stray capacitance?

  • cks
  • · Replies 3 ·
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3

Old Fender Rhodes electric piano

  • jordankersten
  • · Replies 3 ·
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3

Optimizing Radio Reception: Trimming Antennas for Modern Cars

  • mtworkowski@o
  • · Replies 10 ·
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10

Biasing: Understanding Input Signal Ranges & Frequency Impact

  • piyudhaker
  • · Replies 3 ·
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3

Maximum Drive Voltage for Quartz Crystals: How Much Is Too Much?

  • Idea04
  • · Replies 5 ·
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5

Keyword: Combining Error in Circuits

  • Phrak
  • · Replies 13 ·
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13
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1

Basic Circuit Theory: 60W Globe & Voltage Relationships

  • danago
  • · Replies 9 ·
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9

Is a Modified Dipole Antenna Feasible for a Quad-Band GSM Design?

  • AhmedEzz
  • · Replies 16 ·
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16

Electrodes Impedances: Replacement of Galvanometers

  • electronic engineer
  • · Replies 2 ·
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2

Inexperienced and with project

  • kyrga
  • · Replies 6 ·
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6

What diode is recommended for a low current, low voltage application?

  • techlist
  • · Replies 5 ·
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5

Opinion Please: Which of These LED Drive Circuit is Best?

  • jmcafee
  • · Replies 6 ·
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6

Can Freeware CAD Tools Simulate and Design PCBs for a Beginner?

  • PingPong
  • · Replies 2 ·
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2

The Carrier of an EMF: Resistance & Quantum Mechanics

  • XPTPCREWX
  • · Replies 7 ·
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7

RF Chip Selection for SDR Transceiver Design

  • fidel
  • · Replies 4 ·
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4

CAT5 vs CAT6 Cable: Twists Per Inch Comparison

  • Firefox123
  • · Replies 10 ·
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10
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5

How does the Clapp oscillator work?

  • EEMonkey
  • · Replies 2 ·
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2

Van der pauw resistance question

  • iamlovelyboy
  • · Replies 3 ·
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3

FM Radio Station on House Electric?

  • Moonbear
  • · Replies 9 ·
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9

What Should You Consider When Choosing an Optical Spectrum Analyzer?

  • Reshma
  • · Replies 3 ·
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3
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8

Mesh Analysis: Solving for Middle Loop Currents

  • madchiller
  • · Replies 2 ·
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2

Paper Presentation: VLSI & Embedded Systems Help

  • pushpaak99
  • · Replies 1 ·
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1

Design details for a butter knife warmer

  • Shay10825
  • · Replies 178 ·
6
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178

Build a RC bandpass filter to pass only 60Hz

  • Idea04
  • · Replies 3 ·
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3

Wireless Recharging: Is It Safe? | LiveScience

  • baywax
  • · Replies 5 ·
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5

Design Inverter for Solar Cells | Final Year EE Student

  • kiamzattu
  • · Replies 4 ·
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4
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1

Remove 1170 KHz AM radio station from microphones

  • getcwd
  • · Replies 3 ·
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3

Is It Dangerous to Use 12v tranformer to give a 6v output?

  • fialor
  • · Replies 5 ·
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5

Creating a 556 Timer from Two 555s - Possible?

  • JPKelly
  • · Replies 1 ·
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1

How Can I Accurately Measure Voltage Drop across a Capacitor?

  • simoncastle
  • · Replies 1 ·
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1

High Voltage DC Power Indicator

  • rdvernon
  • · Replies 1 ·
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1

DC motor control progressive start and stop

  • reinaldo
  • · Replies 1 ·
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1

Fermi levels in p-n junction under voltage

  • smallphi
  • · Replies 27 ·
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27

Why do my speakers pick up radio stations?

  • mr-tom
  • · Replies 3 ·
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3

DC Circuits: Physically Explained

  • XPTPCREWX
  • · Replies 4 ·
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4

Where to Find a Budget-Friendly Crimp Tool for PCB Connectors?

  • Jdo300
  • · Replies 1 ·
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1

Understanding Sign Conventions in Node Voltage Analysis

  • madchiller
  • · Replies 5 ·
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5

Earth Resonance Power Generator

  • Jdo300
  • · Replies 20 ·
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20

Generate Electricity with Earth's Magnetic Field?

  • Emicro
  • · Replies 4 ·
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4

What is the purpose of registers in microprocessor

  • soft land
  • · Replies 6 ·
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6

How to Disconnect a Car Battery at 11.8V Using an Adjustable Voltmeter?

  • trulka
  • · Replies 10 ·
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10

Generating Time Delays in 8051 Code Using C

  • soul
  • · Replies 7 ·
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7

Why is Current Same in Series Resistor Circuit?

  • soft land
  • · Replies 4 ·
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4

Measure High Voltage using Coil Inductor

  • Emreth
  • · Replies 8 ·
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8

Driving an LED through RC circuit(RC time constant)

  • hary536
  • · Replies 1 ·
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1
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2

Cheap Sensor Function Checker for 120 RPM with 24V Output

  • wolram
  • · Replies 10 ·
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10

How Can I Convince My Advisor About Measuring the DC Component of Our Signal?

  • Backpacker
  • · Replies 3 ·
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3

Conventional square and triangular LEDs

  • greynoon
  • · Replies 4 ·
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4

External Interrupts on 8051 - Questions & Answers

  • soul
  • · Replies 2 ·
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2

DC Power Supply Polarity: Can It Work?

  • Kurdt
  • · Replies 6 ·
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6
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3

Spintronics/Magnetotronics Used In Circuit Design

  • Liam Semeniuk
  • · Replies 6 ·
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6

Why must voltage drop across a resistive circuit?

  • fadecomic
  • · Replies 8 ·
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8
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10

Gas/Fluid Dielectric: Seeking EE Help for Variable Dielectric Constant

  • tekness
  • · Replies 4 ·
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4

Circuit Design Help: Solve Audio Driver Issue on PCB

  • Firefox123
  • · Replies 16 ·
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16

How Do Finite and Infinite Sample Autocovariance Calculations Differ?

  • thedean515
  • · Replies 1 ·
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1

LM339 comparator as solar panel switch

  • ZPlayer
  • · Replies 10 ·
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10

Understanding the Speed of Power Transfer in Electrical Currents

  • kiamzattu
  • · Replies 1 ·
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1