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

Inverter low voltage high current 5-12v in 13.8v out 30 amps

  • corsymons
  • · Replies 2 ·
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2

Lock-in Amplifier & Square Wave: How to Get DC-term?

  • Niles
  • · Replies 8 ·
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8

Telecomm: Why 64 kbit/s Encoding is Still Used

  • pedenski
  • · Replies 1 ·
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1
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1
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1

Modulating LED light with sound?

  • Artlav
  • · Replies 10 ·
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10

Capacitance Calc for Co-Planar Comb Electrode

  • nadiaza
  • · Replies 14 ·
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14

Need to simulate different wattages

  • Physicslearner500039
  • · Replies 4 ·
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4

Which Model is Best for BJT Analysis: Hybrid Pi or T-model?

  • Huumah
  • · Replies 1 ·
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1

Electric Generators: Get More Power than You Put In?

  • Oneoleguy
  • · Replies 30 ·
2
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30

Is 500 Watts Typical for Toilet Motion Sensors? Experts Answer Ramone

  • ramonegumpert
  • · Replies 5 ·
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5

Understanding h_{ie}: Emitter Current Gain in a Voltage Follower

  • DragonPetter
  • · Replies 4 ·
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4

Diode i-v characteristic via oscilloscope

  • sandy.bridge
  • · Replies 5 ·
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5

How does a logic gate permanently maintain its state?

  • Bararontok
  • · Replies 16 ·
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16

Inductor Impedance vs Inductive Reactance: Clarification Needed

  • yardy_genius
  • · Replies 2 ·
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2

LED parallel circuits and how they function?

  • Kevv
  • · Replies 5 ·
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5

Electromagnetic wave /Field question

  • zak8000
  • · Replies 2 ·
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2

Can Transmission line be dangerous during rain ?

  • I_am_learning
  • · Replies 10 ·
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10

Why Is Electrical Power Conducted at High Voltages?

  • electro_DS
  • · Replies 3 ·
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3

Electric Motor Question: Effects of Reverse Pulse at High Speeds on Coils"

  • justinreeves
  • · Replies 15 ·
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15

Why is my encoder causing my pendulum angle to drift?

  • jgeating
  • · Replies 2 ·
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2

Voltage and current source in superposition theorem

  • wilsonb
  • · Replies 1 ·
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1
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7

How Can I Increase the Output of a Small Wind Turbine Generator?

  • JC40
  • · Replies 14 ·
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14

Why does the frequency on a power grid increase when generation exceeds load?

  • illini1022
  • · Replies 19 ·
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19

DC to DC circuit for automotive relay - 5v to 12v

  • LUI-G
  • · Replies 19 ·
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19

Where Does Energy for Light Bulbs Come From?

  • mashhood
  • · Replies 7 ·
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7

Any Electromagentci youtube chanels?

  • Ghassan99
  • · Replies 2 ·
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2

Dielectric Breakdown and Capacitance

  • DragonPetter
  • · Replies 4 ·
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4

Can a neutral wire cause a short circuit when earthed and touched by a person?

  • Godwin Kessy
  • · Replies 10 ·
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10

Calculating Is and nVt for Silicon Diode, How?

  • CDTOE
  • · Replies 1 ·
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1

Practical transformer question-3ph/single phase.

  • mooliak
  • · Replies 15 ·
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15

Why Isn't My Coax Capacitance Per Foot Linear?

  • dnyberg2
  • · Replies 17 ·
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17

Using Google Sketchup for CAD Modeling in FEMM Transformer Simulations?

  • nagsper
  • · Replies 1 ·
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1

Solar golf cart electrical question

  • Jassy
  • · Replies 1 ·
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1

Non-Isolated Electronic tranformers w/UL approval?

  • taharvey
  • · Replies 5 ·
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5

Simple switch that Remembers state at power up?

  • smithe213
  • · Replies 7 ·
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7

Really Simple PSPICE simulation, need somebody to double check me

  • audifanatic51
  • · Replies 1 ·
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1

Equation relating rotational velocity and output electrical power

  • Charles123
  • · Replies 2 ·
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2

Question - blocking of electronical devices

  • gustavoc
  • · Replies 4 ·
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4

Buck converter inductor current at start up

  • likephysics
  • · Replies 15 ·
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15

Control valve downstream pressure drop

  • Talgat
  • · Replies 5 ·
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5

Transformer Mathmatical Modelling

  • brilliant-12
  • · Replies 3 ·
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3

What is the role of amortisseur windings in starting a synchronous motor?

  • splitendz
  • · Replies 15 ·
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15
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7

Output 0-20mA from an Arduino with ATMega328

  • Etude
  • · Replies 5 ·
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5

Questions about the physics of turbine operation

  • Jdetterline
  • · Replies 2 ·
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2

Problems with triac control on IR heaters

  • jimscot
  • · Replies 4 ·
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4

Current draw of a motor, under different situations

  • maximiliano
  • · Replies 38 ·
2
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38

Hi, I wanted to know the following:Input Supply: 56KVA @ 220-240V

  • adreams
  • · Replies 6 ·
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6

Why does op-amps gain decrease at high frequency

  • PianoDentist
  • · Replies 9 ·
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9

Prerequisites for Digital Electronics

  • nDever
  • · Replies 8 ·
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8

I want to design a project about shoes with cooling/heating system

  • dodoshka1991
  • · Replies 7 ·
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7

High precision, good accuracy Current Source Schematic

  • _maxim_
  • · Replies 30 ·
2
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30

No output from 7905 when in increased current

  • ElectroPhysics
  • · Replies 6 ·
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6

Method of generating 170 VDC to drive nixie tubes

  • warfreak131
  • · Replies 9 ·
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9

How does negative feedback in an op-amp work conceptually.

  • glenn21
  • · Replies 6 ·
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6

Stopping Microwave Antenna Effect

  • mblair90
  • · Replies 1 ·
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1

3 Input Majority Logic Circuit

  • eren.kizildag
  • · Replies 4 ·
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4

Stray or parasitic capacitance

  • sakhawat
  • · Replies 2 ·
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2

Help with Coil Gun for High School Physics Project

  • fgdownsups
  • · Replies 12 ·
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12

Maxwell's, integrals, current, elements, delta phi and confusion

  • OJFord
  • · Replies 5 ·
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5

Electric Current: Why Does It Flow at Light Speed?

  • asad1111
  • · Replies 2 ·
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2

Understanding the Mechanics of a Cockcroft-Walton Generator

  • baconman71
  • · Replies 1 ·
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1

Questions about capacitors, and arduino

  • jehan60188
  • · Replies 4 ·
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4

Searching for a 12v electronic switch

  • howln
  • · Replies 2 ·
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2

Microswitch Voltage Usage Question

  • A_someone
  • · Replies 3 ·
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3
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6

Powering my xbox with batteries

  • vincent_vega
  • · Replies 8 ·
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8

Why phase shifting device cannot output full power?

  • chrischak
  • · Replies 2 ·
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2

Design 12V or 24V Timer for Hydroponics System

  • billa14
  • · Replies 2 ·
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2

How to multiplex signal from multiple sensors

  • stanford
  • · Replies 2 ·
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2

Filtering harmonics from a circuit containing square waves?

  • hobbs125
  • · Replies 3 ·
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3

Vary voltage and frequency of Square Wave

  • Etude
  • · Replies 4 ·
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4

How to protect poor solder joints

  • jehan60188
  • · Replies 22 ·
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22

Why does the capacitance of open transmission lines vary near the end?

  • dnyberg2
  • · Replies 10 ·
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10

Conductor size and Voltage Drop for Design

  • Dwa
  • · Replies 6 ·
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6
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7

Using a photodiode in near darkness

  • Artlav
  • · Replies 65 ·
3
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65

PI Control Resources: Best Books, Websites & More

  • mdjensen22
  • · Replies 4 ·
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4

Basic question from non-engineer about power cable specifications and safety

  • yellowsprung
  • · Replies 4 ·
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4

Twinax Theory: How Does Twinax Work?

  • HPRF
  • · Replies 1 ·
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1

Making Heating Element From NiChrome Wire

  • SteveAlex
  • · Replies 4 ·
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4

Alternator Inductor Coil Output Equation (?)

  • Elektrostatik
  • · Replies 35 ·
2
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35

Designing Sun Tracker w/ GPS | Get Ideas & Suggestions

  • Essadaoui_Red
  • · Replies 3 ·
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3

Selection of Right Lipo battery

  • bhaazee
  • · Replies 1 ·
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1

Extracting Useful Information from Impedances

  • thiosk
  • · Replies 3 ·
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3

How to determine the positive or negative charge?

  • oem7110
  • · Replies 9 ·
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9

Building a high voltage Film Cap, but its failing across the board

  • crashtriple3
  • · Replies 13 ·
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13

What's with this Joule Thief thing?

  • sophiecentaur
  • · Replies 7 ·
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7

How Can I Build a Timer Switch for My Mosquito Repellant?

  • Kaycee92
  • · Replies 2 ·
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2

Difference between class E and F amplifiers?

  • shpongle
  • · Replies 3 ·
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3
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12

Is there such a site where you can participate projects of all sort?

  • Alex_Sanders
  • · Replies 11 ·
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11

Why there's no Pentium II and III MCUs being made?

  • Alex_Sanders
  • · Replies 3 ·
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3

Amplifier efficiency calculations?

  • MehhShell
  • · Replies 1 ·
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1

Drive MOSFET w/ 555: Replicate Signal Generator Output

  • anthonyjames9
  • · Replies 13 ·
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13

How to Choose the Right Shottky Diode for Transistor Switching?

  • Ebola0001
  • · Replies 4 ·
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4

Voltage Follower Circuit Design: Input Too Low?

  • cupidsd
  • · Replies 4 ·
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4