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

Proving a Gaussian is its own Fourier Transform

  • maverick280857
  • · Replies 6 ·
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6

Bioelectric signals, transducers and amplifiers for ECG, EEG and EOG

  • electronic engineer
  • · Replies 7 ·
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7

Resources for learning microwave antenna design in 15 days

  • AhmedEzz
  • · Replies 12 ·
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12

Are DVD Burner Lasers Capable of Lighting Matches and Burning Paper?

  • Artlav
  • · Replies 3 ·
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3

Figuring out the effective pulling distance of an electromagnet

  • Summit07
  • · Replies 12 ·
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12

Asking about AC, Transformers, and Generating Electricity

  • Dracet
  • · Replies 16 ·
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16

General-purpose digital multimeter?

  • tiny iota
  • · Replies 15 ·
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15

Solving Current Regulation on Motor-Driven Wagon

  • ponjavic
  • · Replies 1 ·
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1

Kalman Filters: Understanding Kalman Recursion and AR(1) Process

  • mr.t
  • · Replies 2 ·
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2

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

Book recommendations for circuit projects with motors

  • Winzer
  • · Replies 3 ·
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3

Converting constant photovoltaic signal to camera on/off pulses

  • 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

BJT current relationships and 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

Capacitance bridge with null voltmeter vs series-parallel arrangement

  • 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
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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

Can a 12V DC motor drive a 120A alternator at 2100 rpm?

  • bikram
  • · Replies 1 ·
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1

LED array powered by 70V guitar amplifier signal

  • anakinjay
  • · Replies 9 ·
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9

Book recommendations for learning signal and systems

  • taninsaz
  • · Replies 5 ·
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5

How to develop hardware design skills during a degree

  • 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

Does neutral carry current in 3-phase and single-phase systems?

  • XPTPCREWX
  • · Replies 4 ·
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4
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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

Can modern car radios be trimmed like older ones for better AM reception?

  • mtworkowski@o
  • · Replies 10 ·
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10

Does biasing depend on signal frequency?

  • 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

How do component tolerances combine in series circuits?

  • Phrak
  • · Replies 13 ·
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13
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1

Does a 60W bulb always dissipate 60W regardless of supply voltage?

  • 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

LED indicator circuit below 11V with common cathode tri-color LED

  • jmcafee
  • · Replies 6 ·
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6

Using freeware CAD to simulate and design a 7-digit pulse counter PCB

  • PingPong
  • · Replies 2 ·
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2

How does insufficient EMF behave with atomic resistance?

  • XPTPCREWX
  • · Replies 7 ·
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7

RF Chip Selection for SDR Transceiver Design

  • fidel
  • · Replies 4 ·
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4

How many twists per inch does CAT5 and CAT6 cable have?

  • 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

Writing a paper on VLSI and embedded systems for B.Tech

  • 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

Is wireless charging with electromagnetic induction safe for humans?

  • baywax
  • · Replies 5 ·
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5

How to design an inverter for solar cells with firing and filter circuits

  • 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
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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

How to clear external interrupt flags in 8051 assembly code

  • soul
  • · Replies 2 ·
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2

Will a DC device work if I connect the polarity wrong?

  • Kurdt
  • · Replies 6 ·
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6