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

Refractive Index of Coaxial Cable

  • Benjamin Irwin
  • · Replies 3 ·
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3

LC circuits in series with Diodes

  • Samson4
  • · Replies 30 ·
2
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30

Find Iron Core Plates for Transformer Prototypes - Top Sources Listed Here!

  • marmstrong941
  • · Replies 4 ·
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4

Circuit comparison in everycircuit

  • TeaLeaf
  • · Replies 2 ·
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2

What to do with all this scrap?

  • Stephenk53
  • · Replies 5 ·
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5

Resistance of a tungsten filament bulb at 20 C

  • ephphatha16
  • · Replies 25 ·
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25

Find a Small, Low RPM Generator for Your DIY Turbine - 100-300RPM!

  • van4
  • · Replies 26 ·
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26

How can I get 12V 1A charging voltage from USB?

  • karabiner98k
  • · Replies 40 ·
2
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40
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7

Partial discharge material limiting values

  • Casper Hansen
  • · Replies 6 ·
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6

Series diode and a low power device

  • TheComet
  • · Replies 10 ·
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10
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2

Lagging or leading synchronous generator

  • tim9000
  • · Replies 2 ·
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2

Increasing The Capacitance In A Voltage Booster

  • Yrton
  • · Replies 3 ·
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3

Why is the AC phase hotter than neutral when unplugged?

  • girts
  • · Replies 17 ·
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17

Difference between a circuit breaker and a load break switch?

  • Manoj Sahu
  • · Replies 11 ·
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11

Child Safe - RTS motor - roller shutter - shelf shutter

  • GANESH SHETTI
  • · Replies 5 ·
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5

What Formulas Help Calculate Voltage Drop with Multiple Resistors in Series?

  • Alex Hughes
  • · Replies 3 ·
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3

Bridge Rectifiers: How Do They Work?

  • Alex Hughes
  • · Replies 6 ·
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6

Enlighten me about the differences of IGBT and MOSFET please

  • Joshua_S
  • · Replies 2 ·
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2

Where Can I Find a Step-Up Adapter for 12V to 400V Charging?

  • Yrton
  • · Replies 11 ·
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11

Can Rogowski Coils Be Used Without an Integrator for HOKA Applications?

  • Glenn Emmers
  • · Replies 4 ·
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4

What Software Can Simulate EM Wave Interactions in a Faraday Cage?

  • Paul Brooke
  • · Replies 3 ·
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3

Understand AC Transformer Polarity for Three-Phase Connections

  • Leyden
  • · Replies 18 ·
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18

RF Tuner: Adjacent Channel Interference Rejection Filters

  • brainbaby
  • · Replies 24 ·
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24

Need help with a homemade DC motor

  • Adem
  • · Replies 10 ·
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10

Switch mode DC transformer equations?

  • Mzzed
  • · Replies 10 ·
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10

How does an Electric Bell use the Motor Effect?

  • SSSingh
  • · Replies 4 ·
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4
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6

Can Smart Technology Help Reduce Energy Waste in Homes?

  • Iain123
  • · Replies 10 ·
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10

Wanted: Instructions for Leybold PGA 100 mass spectrometer

  • Michael Koch
  • · Replies 14 ·
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14

Phosphor screen, hazards and demonstrations?

  • mishima
  • · Replies 5 ·
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5

Two like capacitors in parallel

  • zengodspeed
  • · Replies 13 ·
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13

Mosfet conduction vs Drain voltage

  • likephysics
  • · Replies 7 ·
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7

Why is the Anode of an LED Connected to Positive?

  • Alex Hughes
  • · Replies 20 ·
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20

Hi, can somebody help to measure varicap diode

  • michael1978
  • · Replies 6 ·
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6

Need to find an old variable capacitor

  • michael1978
  • · Replies 46 ·
2
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46

Are the terminals of a Battery neutral?

  • Alex Hughes
  • · Replies 27 ·
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27
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12

Why does conducting liquid moving in a loop produce DC

  • Richie Smash
  • · Replies 1 ·
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1

Lemon Battery Voltage: Why More Resistance?

  • Alex Hughes
  • · Replies 13 ·
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13

Amplifying the voltage from a homemade battery.... In rural Africa

  • Astock
  • · Replies 27 ·
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27

Can a 24V 30A Dimmer Switch Handle the Starting Current of a 500W 24V Motor?

  • sam charlton
  • · Replies 7 ·
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7

Magnetic encoder signal processing

  • Jarfi
  • · Replies 2 ·
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2

Potentiostat and powersource in electrochemical cell

  • LucidDreamer
  • · Replies 7 ·
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7

Voltage Output in subtractor photocircuit

  • MxwllsPersuasns
  • · Replies 1 ·
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1

Modify Phone Battery: Is It Safe?

  • Stephenk53
  • · Replies 6 ·
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6

Damping effect in piezoelectric energy harvesting systems

  • nabs16
  • · Replies 5 ·
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5

Need tutorial for magneto static simulation of C-core (Imag)

  • Sreedevi
  • · Replies 2 ·
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2

Modified sine wave vs pure sine wave inverter

  • Axe199
  • · Replies 5 ·
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5

Voltage Doubler help: 6V ac 36W alternator in ~ 12V dc out

  • DonKiwi
  • · Replies 10 ·
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10

How does an opamp work as non-inverting amplifier

  • rishi kesh
  • · Replies 11 ·
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11

Why are the motor brushes not placed in the magnetic neutral axis?

  • janu203
  • · Replies 5 ·
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5

What are the safety precautions for handling a shaded-pole motor?

  • mishima
  • · Replies 6 ·
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6

Enqiry about an electrical motor's power

  • HHJ
  • · Replies 9 ·
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9
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1

Cell Phone Tower Communication: How Does it Work?

  • girts
  • · Replies 1 ·
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1

What happens when you insulate the rails of a DC electric train?

  • girts
  • · Replies 1 ·
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1

Current to Voltage and Voltage to Current Converters

  • fog37
  • · Replies 16 ·
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16
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9

Hi, can somebody explain this RLC circuit to me?

  • michael1978
  • · Replies 7 ·
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7

Synchronous Generator Short Circuit - Hazards

  • Ragnar Landet
  • · Replies 7 ·
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7
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6

Which is better -- amp ground connected to frame or battery?

  • UWouldKnow
  • · Replies 28 ·
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28

Questions about Using My Multimeter

  • Alex Hughes
  • · Replies 19 ·
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19

DC Blocking Capacitor: Solving a Photodiode Circuit Problem

  • fonz
  • · Replies 24 ·
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24
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8

Measuring 800V AC signal with 16-bit DAQ card within 1% accuracy

  • Jonathan Mc
  • · Replies 7 ·
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7

Load resistance and current “draw”

  • tranceical
  • · Replies 8 ·
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8

Magnetic field put off by high current (causing cross-talk between wires)

  • Tesladude
  • · Replies 2 ·
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2

Understanding AC Polarity and Ground Bonding in Electrical Circuits

  • BRODEJ1
  • · Replies 13 ·
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13

Where Did I Go Wrong in My RF Amplifier Power Calculations?

  • nauman
  • · Replies 10 ·
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10

What Does Ground Mean in Electrical Terms?

  • Alex Hughes
  • · Replies 38 ·
2
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38

Off-Center Fed Dipole vs Standard Center Fed Dipole

  • Jackson Richter
  • · Replies 7 ·
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7

How Batteries Work: An Electrochemical Explanation

  • Alex Hughes
  • · Replies 3 ·
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3

Electromagnet Design for Separating Ferrous Material from an Ore Mixture

  • Matthew Howard
  • · Replies 2 ·
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2

Simulink model of a hybrid vehicle (replace battery with fuel cell)

  • said76
  • · Replies 19 ·
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19

Intermodulation in an Amplifier and Third Order Incercept

  • Natalie Johnson
  • · Replies 3 ·
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3

Why do we need to supply air to the cathode of a hydrogen fuel cell

  • srinaath
  • · Replies 4 ·
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4

Is it possible to make a passive element that doesn't reemit EM

  • Christofer Br
  • · Replies 8 ·
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8

Will a subwavelength conductor patch reflect specularly?

  • Christofer Br
  • · Replies 2 ·
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2

Why the insulation rating of a wire depends on voltage?

  • srinaath
  • · Replies 5 ·
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5

Bizarre Behavior in Discrete PMOS

  • Apogee
  • · Replies 7 ·
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7

How to connect audio output to an ADC

  • michael1978
  • · Replies 10 ·
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10

IC Physical Design Software Inquiry

  • Apogee
  • · Replies 11 ·
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11

AC synchronous motor power factor

  • girts
  • · Replies 4 ·
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4

Line impedance versus shunt capacitance

  • Landru
  • · Replies 6 ·
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6

Could someone me identify this component on a PCBA

  • carlos468
  • · Replies 13 ·
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13

Is it safe to use 48v on a 40v motor?

  • jeanpaulsc
  • · Replies 17 ·
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17

Why LED Lights Aren't Used in Camera Flashes/Strobes

  • RNickl
  • · Replies 3 ·
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3

Looking for a quad rail-to-rail op amp similar to TL074 in DIP14 package?

  • Ravaner
  • · Replies 17 ·
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17

Possible Line Power Conditioner hobby project

  • tim9000
  • · Replies 5 ·
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5

Discussing Stagger tuning in VHF receivers....

  • brainbaby
  • · Replies 44 ·
2
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44

I'm trying to understand what a proportional band is....

  • TSN79
  • · Replies 1 ·
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1

How can I design a circuit for my project?

  • Nabin kalauni
  • · Replies 10 ·
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10

Clock face notation of a Transformer's "Vector Group"

  • jaus tail
  • · Replies 8 ·
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8

Sex education for SMA connectors

  • Paul Colby
  • · Replies 23 ·
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23

Why can't antennas be made smaller and smaller?

  • alan123hk
  • · Replies 8 ·
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8

Why is the phase of an imaginary signal 90 degrees?

  • Manoj Sahu
  • · Replies 7 ·
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7

I have a couple questions about Arduinos

  • SickTechz
  • · Replies 1 ·
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1