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

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VCP(Video cassette player) picture problem

  • peejake
  • · Replies 13 ·
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13

How can I safely transform 120v power to 12v for a fan?

  • John Galt
  • · Replies 5 ·
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5
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68hc12 for processing a sensor input

  • EvLer
  • · Replies 14 ·
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14

Electronic Circuit Components Datasheet with Specs (12hr Deadline)

  • let_me_think
  • · Replies 1 ·
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Connect Cat 5 STP Shield Wire to RJ45 Plug

  • j777
  • · Replies 3 ·
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3

How does an autopilot yaw damper system work?

  • falcon102
  • · Replies 7 ·
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7

Ungar 4024 solder station temperature settings 1-4

  • Santeh
  • · Replies 6 ·
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6

How Much Surface Area Can a 200kW Generator Heat in a Steel Pipe?

  • nurtas
  • · Replies 5 ·
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5

Finding pinouts for Panasonic car head unit 8-pin DIN connector

  • D_Dean
  • · Replies 9 ·
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Low Power Dissipation Driver Circuit

  • JustinH
  • · Replies 8 ·
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8
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Designing and building a mass spectrometer.

  • leright
  • · Replies 5 ·
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Universal laptop power supply?

  • Elektrotechniker
  • · Replies 6 ·
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6

Loading of Series vs. Parallel tank circuits

  • Jdo300
  • · Replies 1 ·
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20V Input Voltmeter Using ICL7106

  • d1983
  • · Replies 4 ·
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Asking about the coupling systems for the pump - electrical motor

  • Eng_Luqman
  • · Replies 1 ·
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Converting 220V AC to 5V or 3.3V DC in minimal space

  • juming
  • · Replies 10 ·
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Measurement of the refractive index of a special sample

  • Silicon
  • · Replies 2 ·
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How do electrons know which path to take at a junction in a circuit?

  • webtry
  • · Replies 28 ·
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28

Why Do Different Countries Use 220V@50Hz and 120V@60Hz?

  • Arctic Fox
  • · Replies 21 ·
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Fundamentals of Electronics sites

  • rockerboi
  • · Replies 3 ·
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Estimating gradient of noisy decreasing signal

  • cantata
  • · Replies 1 ·
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Motorized fabric roller with distance-limited raising and lowering

  • rhardenbrook1987
  • · Replies 9 ·
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9
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15

Computer Amplifier: Designing a Multiple Stereo Output System

  • D_Dean
  • · Replies 4 ·
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Thought Experiment with Iron wire

  • Jdo300
  • · Replies 8 ·
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Chemical and Bio-chemical Sensor

  • OPIH
  • · Replies 1 ·
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Red and green LED traffic light for north/east intersection

  • Marth164
  • · Replies 5 ·
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5

Cs major questions on logic gates

  • willwarner
  • · Replies 1 ·
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Reading NPN proximity sensors and photoeye with a microcontroller

  • j777
  • · Replies 13 ·
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When does a diode fail and conduct in both directions?

  • Shadrack
  • · Replies 4 ·
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General solution to the circuits

  • killingb
  • · Replies 4 ·
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AT89C52 and TCS230 color sensor circuit for object sorting

  • beluluk
  • · Replies 8 ·
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Why use a darlington pair in an LED dimmer circuit

  • ranger
  • · Replies 3 ·
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3

Need to convert 110v to 220v from 110 v inverter

  • saad ahmed khan
  • · Replies 1 ·
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Using a relay to switch 110v lights with low-voltage creeper circuit

  • rody084
  • · Replies 28 ·
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28

Battery Pack for a SINAD device

  • Valhalla
  • · Replies 1 ·
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Powering 20 red LEDs in parallel from a 9V battery

  • rody084
  • · Replies 7 ·
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Can an AM Transmitter Work Without Negative Voltage?

  • Firefox123
  • · Replies 27 ·
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Are IGBTs in PSIM and Multisim 7 Equivalent?

  • skadd4life
  • · Replies 1 ·
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Design and construction of an active band stop filter

  • efebest
  • · Replies 2 ·
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What's Your Coolest 555 Timer Project?

  • d1983
  • · Replies 5 ·
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Water tripping GFI circuit without penetration

  • DaveC426913
  • · Replies 6 ·
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Does High Permittivity Imply High Conductivity in Materials?

  • DeltaX
  • · Replies 13 ·
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13

What exactly do EE's do during their day of work?

  • Liam Semeniuk
  • · Replies 1 ·
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Circuit design for an active band stop filter

  • efebest
  • · Replies 3 ·
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Download the Orcad PSpice software

  • mich_v87
  • · Replies 5 ·
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I found this wouldn't stop spin

  • sleepsleep
  • · Replies 2 ·
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How Do Diodes Work? An Explanation

  • esmeco
  • · Replies 5 ·
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Determining Wire Size for Electric Trolley Bus Power Supply

  • nikola-tesla
  • · Replies 7 ·
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Okay to stick in an electrical outlet?

  • jylee
  • · Replies 5 ·
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Calculating Force for Tattoo Machine Solenoids

  • d1983
  • · Replies 1 ·
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Candle flicker algorithm and hardware

  • phile
  • · Replies 5 ·
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Circuits with fans, should be pretty easy.

  • Kirro
  • · Replies 45 ·
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Reduce 12V DC to 1V DC: Increasing Amperage

  • Downsouth
  • · Replies 2 ·
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Loop Impedance Meaning Data Logger Troubles

  • katiencbabe
  • · Replies 7 ·
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7

Understanding Clamper Circuit: Solving Output Waveform Problem

  • Amith2006
  • · Replies 3 ·
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Power output from coil in varying 320 gauss magnetic field

  • Jdo300
  • · Replies 2 ·
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Can a Turbine Effectively Charge Batteries?

  • D_Dean
  • · Replies 4 ·
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4

Calculating Voltage Drop for 200HP Motor at 480V

  • vptran84
  • · Replies 1 ·
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1
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4

Building a High-Current, High-Frequency Pulse Generator

  • axawire
  • · Replies 1 ·
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Induction coil sensors for 2000-5000 Gauss range

  • miloko
  • · Replies 1 ·
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Is Voltage Really Like Water Pressure in Electric Circuits?

  • meldave00
  • · Replies 12 ·
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12

What Should Electrical Engineering Students Learn Over Summer?

  • kidman
  • · Replies 3 ·
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Design of speed control of separately excited motor

  • largecurrent
  • · Replies 1 ·
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Will a Magnet Damage My Credit Card?

  • argonurbawono
  • · Replies 4 ·
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Paper Presentation Topics in Electronics and Communication Engineering

  • narasimhan.seshan
  • · Replies 3 ·
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Parallel port TTL signal only 3.5V instead of 5V for relay circuit

  • neuralJ
  • · Replies 3 ·
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Microdischarges in solid dielectrics

  • vanesch
  • · Replies 4 ·
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Motion Control Device Selection

  • heepofajeep
  • · Replies 1 ·
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Power outage and broken circuit?

  • Mindscrape
  • · Replies 4 ·
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US residential electrical system: single-phase or three-phase power

  • Micko
  • · Replies 13 ·
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Would this experiment lights the bulb for a moment?

  • sleepsleep
  • · Replies 9 ·
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9

Why doesn't a voltmeter across a PN junction diode measure Vbi?

  • meldave00
  • · Replies 16 ·
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Why does this rectifier have a large AC output voltage?

  • motioncity
  • · Replies 3 ·
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3

Photovoltaic Panel Temperature: Average in Normal Conditions

  • xharville
  • · Replies 2 ·
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2
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Electronic Firework Ignition System

  • dusty8683
  • · Replies 1 ·
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1

Designing Audio Amplifier with BJT and MOSFET Components

  • ..::D::..
  • · Replies 3 ·
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400W Powered Amp for small signal input

  • andrew`
  • · Replies 15 ·
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Capacitance formula for bifilar pancake coil with 16 gauge wire

  • Jdo300
  • · Replies 5 ·
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5

Finding affordable op-amps for an ECG monitor

  • temujin
  • · Replies 1 ·
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Can an Oscilloscope Determine Coil Resonance Without an LC Circuit?

  • Jdo300
  • · Replies 5 ·
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5

What Type of Switch Can Control Both a CD Drive and a Cassette Player Motor?

  • saad ahmed khan
  • · Replies 1 ·
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1
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How can I maximize the efficiency of my solar panel power source station?

  • WARGREYMONKKTL
  • · Replies 1 ·
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How does Switch mode power supplies differ from diode rectification

  • peejake
  • · Replies 3 ·
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Sizing a Dimmer Choke for Filtering EMI

  • euler_fan
  • · Replies 5 ·
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5
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Deriving capacitor voltage equations from 5V square wave

  • frankkk
  • · Replies 1 ·
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Create LED Traffic Signal with Discrete Components

  • mohdfasieh
  • · Replies 1 ·
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How Do You Design a 4-Way LED Traffic Signal Circuit?

  • mohdfasieh
  • · Replies 4 ·
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4

How Do I Build a Current Sensor for Home Appliances?

  • opt_help
  • · Replies 1 ·
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Using a 5-pin relay as a latching switch with reset button

  • DrKareem
  • · Replies 18 ·
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18