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

Cannot lock reference signal on lock-in amplifier

  • ash1204
  • · Replies 5 ·
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5

Transistor radio amplifier noise in the 70s

  • Ephant
  • · Replies 14 ·
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14

Upright Storage of Tiny Screws Using Magnetism

  • scott123
  • · Replies 5 ·
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5

Electric field around a circuit

  • Est120
  • · Replies 14 ·
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14

Peltier cell in series both electrically and thermally

  • askingask
  • · Replies 5 ·
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5

Magnetic equivalent circuit for a UU-core inductor

  • user2539
  • · Replies 7 ·
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7
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34

Does constant DC current in curved wire produce EM wave?

  • user079622
  • · Replies 38 ·
2
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38

Electric field calculations for a spherical grid

  • Jz21
  • · Replies 10 ·
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10
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3

If DC current is chopped on it's way to a load, what happens to the EM?

  • username001
  • · Replies 7 ·
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7

AC gaussmeter in static magnetic field

  • user079622
  • · Replies 21 ·
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21

Ltspice - divided two plots from different run simulations

  • arielkool
  • · Replies 2 ·
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2

Custom UHF Yagi antenna build

  • Guineafowl
  • · Replies 63 ·
3
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63

Gravity Based Electricity Generator

  • kingamada
  • · Replies 74 ·
3
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74

Generator load sharing

  • isquaredr
  • · Replies 4 ·
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4

Why do 120° phase-separated waveforms sum to 208V in 3 phase power?

  • InquisitiveOne
  • · Replies 5 ·
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5

Ni-Mh battery capacity in parallel and series combination

  • badr
  • · Replies 29 ·
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29

What explains the current flow in a LC circuit?

  • Est120
  • · Replies 4 ·
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4

Making a Shortwave listening antenna

  • Guineafowl
  • · Replies 44 ·
2
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44

Harmonics, Interferences, Autocorrelations, FFT

  • Ephant
  • · Replies 7 ·
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7

Identifying components in a cheap boost module for plasma experiments

  • mishima
  • · Replies 9 ·
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9

Even Engineers Doodle -- on the ICs they design

  • Tom.G
  • · Replies 4 ·
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4

Converting light power to luminance in Atlas Silvaco OLED simulation

  • halaoui12
  • · Replies 5 ·
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5

Inrush current in a transformer chain

  • Guineafowl
  • · Replies 4 ·
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4

Optimal thin absorber of electromagnetic energy

  • Leo2024
  • · Replies 4 ·
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4

Problem with Ansys Maxwell "current leak to the air"

  • jdiab11
  • · Replies 1 ·
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1

How electricity distributers achieve equal phase loads?

  • user079622
  • · Replies 5 ·
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5

Manually charging batteries

  • Juanda
  • · Replies 11 ·
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11

Submarine communications and RF skin depth

  • Guineafowl
  • · Replies 6 ·
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6

Electromagnetic field vs electromagnetic wave "radiation"

  • user079622
  • · Replies 7 ·
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7

Calculate current through tank circuit on induction heater

  • imsmooth
  • · Replies 27 ·
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27

Why and by how much does unbalanced current flow increase EM radation?

  • user079622
  • · Replies 9 ·
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9

New High Efficiency Power Lines

  • bhobba
  • · Replies 4 ·
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4

Wavelet transform (CWT and DWT)

  • fog37
  • · Replies 4 ·
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4

Measuring Power output of DC generator

  • Deathz
  • · Replies 38 ·
2
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38
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16

Design

  • rossc12
  • · Replies 4 ·
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4

Can I twist the Connecting cable with the Connecting pipe?

  • Shervan360
  • · Replies 5 ·
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5

Li-Ion vs LiPo… why not both?

  • Flyboy
  • · Replies 3 ·
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3

Counting of Integrated Circuits by photo or video

  • Devildog
  • · Replies 7 ·
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7

Reflow Oven Replaceable With A Heat Gun?

  • bmarc92
  • · Replies 7 ·
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7

Did Computer Communication Theory get renamed to Information Theory?

  • Lou Arnold
  • · Replies 3 ·
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3

Monitor's magnetic field setting off handheld CO detector

  • flatmosquito
  • · Replies 6 ·
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6

Solar panel with circuit inside a PC box -Not working

  • Madhumkm12
  • · Replies 3 ·
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3

US Split-Phase to EU Heat Pump Not Working

  • quantumn
  • · Replies 1 ·
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1

Why is impedance given as a simple Ohms unit when it's frequency dependent?

  • Crimadella
  • · Replies 10 ·
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10

Induction heater with high Q factor

  • StoyanNikolov
  • · Replies 8 ·
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8

Solar panel conundrum -- Not enough power?

  • johnwinter645
  • · Replies 7 ·
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7

What Is the Combined Magnetic Force When Parallel Magnets Align?

  • curiouschris
  • · Replies 3 ·
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3

Crutchfield at 50 years old: A nice electronics success story

  • difalcojr
  • · Replies 1 ·
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1

Where is the 'Origin' on a Bode Plot?

  • dvscrobe
  • · Replies 8 ·
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8

Does Rolling a Magnetic Core on a Magnet Affect Its Properties?

  • Milas
  • · Replies 2 ·
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2

Unknown red box with AC input from alternator and 120V DC outlets

  • klook
  • · Replies 22 ·
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22

I can't understand this circuit board

  • Shauryafrom2006
  • · Replies 4 ·
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4

Possible to change a thermistor resistance curve?

  • Rynobomb
  • · Replies 19 ·
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19

Stability of LTI systems with control

  • JoshLagoon
  • · Replies 1 ·
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1

Reverse-Flow Protection Mosfet Control?

  • M de L
  • · Replies 10 ·
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10

Alternatives to Shaded Pole Gearmotors for Oil Skimmer application

  • kunalv
  • · Replies 3 ·
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3

Impedance matching 7-ohm mic to 2.2kΩ UV-5R radio with J310 amplifier

  • DIYEngine235
  • · Replies 20 ·
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20

I found this circuit board in an old toy car. What does it do?

  • leVanw
  • · Replies 1 ·
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1

Why are my Telegraph Transmitters not grounding correctly?

  • ziadigi
  • · Replies 8 ·
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8

What causes voltage between AC Mains phase and me?

  • electricx
  • · Replies 5 ·
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5

Converting from sin to cos appropriately with phasors

  • wellmoisturizedfrog
  • · Replies 5 ·
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5

Difficult Understanding Magnitude and Phase Shift of Transfer Function

  • wellmoisturizedfrog
  • · Replies 4 ·
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4

Insulated copper wire turned into gray powder

  • Majorana
  • · Replies 72 ·
3
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72

Matching 40mm and 60mm coils for PEMF medical device

  • edlee008
  • · Replies 9 ·
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9

Need a 5V to 15V conversion with 555

  • imsmooth
  • · Replies 18 ·
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18

How Is a Power Recliner Wired for Multiple Functions?

  • erobz
  • · Replies 4 ·
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4
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4

Induction motor windings, number of turns per phase and per pole

  • rulmismo
  • · Replies 2 ·
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2

Lomb-Scargle periodogram for complex exponential signal

  • tworitdash
  • · Replies 0 ·
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0

Understanding Output Voltages for a Center Tapped Transformer

  • JC2000
  • · Replies 6 ·
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6

Creating a simulator for an electromagnetic mass driver

  • Schwab
  • · Replies 2 ·
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2

Can 9V DC Be Lethal in Biomedical Experiments?

  • Ephant
  • · Replies 5 ·
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5

The battery voltage drops when fed to the DC booster circuit

  • leVanw
  • · Replies 3 ·
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3

Can I control a two-speed fan motor with a two-way light wall switch?

  • senmeis
  • · Replies 17 ·
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17
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2

Voltaic cell + battery in series

  • Manganese
  • · Replies 3 ·
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3

What factors determine the resistance and inductance in a coil?

  • Milas
  • · Replies 2 ·
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2

Is there a Switch that can Withstand a Very High Current?

  • leVanw
  • · Replies 15 ·
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15

Can a Community College Lab Simulate Real Lightning Conditions?

  • Hopper_18
  • · Replies 3 ·
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3

ABC reference frame synchronous generator modelling in Ltspice

  • rodv92
  • · Replies 1 ·
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1
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19

Autotransformers in solar energy applications

  • Alex Towers
  • · Replies 32 ·
2
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32

Length of USB cable w/o twisted data pair to reach Hi Speed 480Mbps

  • Ephant
  • · Replies 38 ·
2
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38

Van der Pauw method for sheet resistance measurement

  • Dario56
  • · Replies 7 ·
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7

Calculate IC equalizer frequencies and gain

  • tritonas00
  • · Replies 1 ·
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1

Finding 4-pin mini DIN USB cables with equally spaced pins

  • Ephant
  • · Replies 27 ·
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27

Reducing AC inrush current in this setup

  • zabala9
  • · Replies 15 ·
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15

What are these possible heat dissipation tubes?

  • phinds
  • · Replies 11 ·
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11

Increasing induction motor frequency

  • Guineafowl
  • · Replies 9 ·
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9

What is the R22CC1 component with the rotating half-cylinder part?

  • andymag
  • · Replies 9 ·
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9

Static electricity, cell phone in a rubber case

  • chilli42
  • · Replies 7 ·
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7

Is 2010 the beginning of stable period for amplifiers?

  • Ephant
  • · Replies 6 ·
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6

UPS power must be higher than PSU rated power?

  • user079622
  • · Replies 11 ·
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11

Ansys Maxwell Simulation - Torque Fluctuating

  • Kahraman
  • · Replies 3 ·
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3
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3
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10