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

How did Roentgen rectify current in the first x-ray?

  • Cool4Kat
  • · Replies 15 ·
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15

Understanding Comparator and Window Comparator Functionality in Op-Amps

  • jaus tail
  • · Replies 8 ·
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8

New realizations or "what I think I learned today"

  • Planobilly
  • · Replies 3 ·
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3

Is Induction Heating More Efficient Than Resistive Heating for Water?

  • Robertphysics
  • · Replies 5 ·
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5

Cortex M4 sinking a lot of current

  • chingel
  • · Replies 3 ·
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3

RC Oscillator Circuit Adjusting Frequency

  • freakywarlock
  • · Replies 10 ·
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10

Boundary condition for electrostatics problem - found issue?

  • vogtster
  • · Replies 5 ·
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5

My impressions of learning electronics

  • Planobilly
  • · Replies 8 ·
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8

If you put a noisy motor in a vacuum is it more efficient?

  • George Argyrou
  • · Replies 22 ·
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22

Class AB or Class D for a home theater amplifier

  • zxcvb
  • · Replies 7 ·
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7

Issue with opamp tending towards wrong rail under load

  • Dextrine
  • · Replies 12 ·
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12

How does wireless phone charging work?

  • Giannakoulis
  • · Replies 1 ·
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1

RLC Circuit with a Gyrator as an Inductor

  • swraman
  • · Replies 3 ·
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3

LDO voltage regulator stability

  • chingel
  • · Replies 3 ·
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3

Tweeting Images with Arduino: Libraries and Limitations

  • hackhard
  • · Replies 1 ·
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1

Combining 2 grid connections ac to one

  • michiel8888
  • · Replies 2 ·
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2

Photo of the new amp in the case

  • Planobilly
  • · Replies 4 ·
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4

Powering a 29.3V 440mA LED from a 1.5V battery

  • helofrind
  • · Replies 8 ·
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8

Phased array antenna vs single antenna for remote sensing.

  • Tone L
  • · Replies 1 ·
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1

Xenon lamps and sunlight simulation

  • fog37
  • · Replies 2 ·
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2

Why is my PIC 18F2550 not sending data when I tell it to?

  • Guidestone
  • · Replies 6 ·
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6

Where is the Error in this AC/DC Circuit Analysis?

  • pierce15
  • · Replies 2 ·
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2

I need a single-frame NTSC decoder software

  • Ben321
  • · Replies 1 ·
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1

Simple 8-bit FFT Processor for 512pt Array at 20MHz

  • Ravaner
  • · Replies 5 ·
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5

Night vision based on OLED technology

  • sauroman1
  • · Replies 3 ·
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3

Pressure sensor- Digital_Filter

  • btb4198
  • · Replies 10 ·
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10

Understanding Memristors: Breaking the Symmetry of Circuit Elements

  • hikarusteinitz
  • · Replies 1 ·
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1

Curious Digital Audio Electronics Question

  • Eric McMillan
  • · Replies 14 ·
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14
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12

Difference between DC/AC coupling (Antennas)

  • marco1235
  • · Replies 9 ·
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9

How does a digital trainer board work?

  • Elai
  • · Replies 15 ·
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15

Need feedback on this basic grounding schema

  • Planobilly
  • · Replies 4 ·
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4

Can Power Be Measured as V^2/R Using a Bench Meter?

  • Phillipdanbury
  • · Replies 21 ·
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21

Braided shield to contain magnetic field in twisted wires carrying 6V 2A

  • Planobilly
  • · Replies 8 ·
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8

How can I reduce noise induced in a wire for my Nixie clock?

  • Borek
  • · Replies 26 ·
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26

Wien bridge amplitude calculation

  • Frank-95
  • · Replies 20 ·
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20

Insulation Resistance and tangent delta in a X Capacitor

  • ernd59
  • · Replies 1 ·
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1

How do capacitors and resistors make LEDs alternate in this circuit?

  • levydee
  • · Replies 2 ·
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2

Controlling Raman spectrometer Horiba T64000 with labview

  • luanadcf
  • · Replies 1 ·
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1

How to toggle and latch using logic gates?

  • OrlandoLewis
  • · Replies 5 ·
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5

Optimal Total Current for Parallel Loads

  • MrBrain
  • · Replies 2 ·
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2

Ultrafast bridge rectifier module question

  • Robertphysics
  • · Replies 7 ·
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7

Is the design of Raspberry Pi stored in a memory component?

  • pairofstrings
  • · Replies 20 ·
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20

Detect increasing or decreasing pot output

  • hackhard
  • · Replies 25 ·
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25

Theory/construction of conductance measuring device (films)?

  • Milchy
  • · Replies 14 ·
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14

What materials do I need to wire a VFD?

  • belae1ka
  • · Replies 4 ·
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4

Calculating Emax in concentric cylinder

  • donkitano123
  • · Replies 3 ·
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3

Datasheet for VCO by Mini-Circuits: ROS-1.8G?

  • Ravaner
  • · Replies 1 ·
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1
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7

5th and 7th Harmonic mitigation (D-yd transformer)

  • BjornFanden
  • · Replies 10 ·
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10

How simulate a transformer with Maxwell Ansoft?

  • lba
  • · Replies 44 ·
2
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44

Questions about batteries and magnets and EM induction

  • albertrichardf
  • · Replies 4 ·
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4

Scrapped electrical motor -> generator

  • kithwrike
  • · Replies 2 ·
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2

Converting a European 2-pin plug to UK 3-pin with only two wires

  • JWSmith
  • · Replies 1 ·
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1

Creating a 31.4KHz Phase Sweeper for Antenna Array

  • Pencil123
  • · Replies 14 ·
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14

How do I deal with a failed electronic project?

  • Planobilly
  • · Replies 38 ·
2
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38

Induction Heating Coil Design: Rectangular vs. Spiral Shape

  • Davide Fabri
  • · Replies 1 ·
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1

Software to model magnetic fields in a core

  • fahraynk
  • · Replies 3 ·
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3

Extreme Fiber Coupled Laser Diode Power Loss

  • daniel1211
  • · Replies 6 ·
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6

Period of a complex exponential signal

  • lahanadar
  • · Replies 1 ·
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1

China's HVDC grid challenges traditional AC interconnection reliability

  • anorlunda
  • · Replies 46 ·
2
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46

How does a ground loop and a floating ground work?

  • fog37
  • · Replies 15 ·
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15

Shrinking a water wheel generator coil pack from 1 inch OD

  • Kbement
  • · Replies 6 ·
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6

What is the role of displacement currents in a circuit?

  • Phoenix279
  • · Replies 4 ·
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4

LED alternatively powered by different voltages

  • Toma
  • · Replies 7 ·
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7

Power System Simulation Program for To Control System Freque

  • TMoE55
  • · Replies 1 ·
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1
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3

Light-triggered bot mode counter circuit has inverter noise at 10V

  • hackhard
  • · Replies 4 ·
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4

Operating principle of a Six Phase induction motor

  • makkena
  • · Replies 8 ·
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8

What are the Signs of Diode Degradation and Aging?

  • tim9000
  • · Replies 5 ·
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5

Parallel plate capacitor question

  • Robertphysics
  • · Replies 7 ·
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7

Parallel Resonance in Power System

  • LagCompensator
  • · Replies 2 ·
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2

When transformers decrease voltage, do they increase the current?

  • partialfracti
  • · Replies 27 ·
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27

Sealing a wiring port to withstand water at 130+ psi?

  • mbewley59
  • · Replies 3 ·
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3

Is this Variable frequency drive compatible with this motor?

  • belae1ka
  • · Replies 7 ·
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7

Do I need a feedback card to acquire motor RPM from a VFD?

  • belae1ka
  • · Replies 3 ·
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3

How to calculate the time delay based on a function of antenna angle?

  • Nate Duong
  • · Replies 3 ·
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3

Charging Lipos @ 5C with Digital Power Supply

  • Puglife
  • · Replies 7 ·
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7

Turbine Efficiency with Generator load

  • dilipbhanu
  • · Replies 5 ·
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5

Using the Fourier transform to interpret oscilloscope data

  • rwooduk
  • · Replies 4 ·
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4

How to implement a sinewave oscillator

  • JohnsonJohnson
  • · Replies 6 ·
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6

How does an electrical signal physically flow in a processor

  • DIVERGENCEMASTER47
  • · Replies 14 ·
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14

One more question on Tesla coils :)

  • fog37
  • · Replies 2 ·
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2

Can Antenna reduce the radio signal strength when it receive

  • physicsEnthu_123
  • · Replies 5 ·
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5

Super Capacitor Charging/Discharging

  • Akmalidin
  • · Replies 19 ·
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19

Why does the US use split-phase power while the EU uses single-phase 230V?

  • Guineafowl
  • · Replies 18 ·
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18

Battery pack for an electric motor

  • Diegus
  • · Replies 16 ·
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16

My latest crazy amp project photos

  • Planobilly
  • · Replies 16 ·
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16

How to calculate the running time of a battery?

  • ttttrigg3r
  • · Replies 4 ·
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4

Stabilizing saltwater battery voltage for phone charging

  • Sean D
  • · Replies 4 ·
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4

How Can I Design a Digitally Controllable Constant Current Source?

  • HHOboy
  • · Replies 138 ·
5
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138

Connecting 14 gauge and 16 gauge wire to 120,000 BTU furnace

  • SeeJay
  • · Replies 1 ·
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1

Changing circuitry of analog computer *During* simulations?

  • Kirana Kumara P
  • · Replies 130 ·
5
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130

Why isn't there a buffer on an oscilloscope?

  • Fips
  • · Replies 2 ·
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2

Does Wire Length Affect Current Flow Due to Potential Difference?

  • Joshua_T
  • · Replies 12 ·
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12

FFT stages, DFT sinusoidal basis functions, and butterfly diagram signs

  • btb4198
  • · Replies 4 ·
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4

How Does a Motor Function Without a Magnet?

  • Jimmy87
  • · Replies 10 ·
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10

Charge transfer between two insulators rubbed together

  • Arsen34
  • · Replies 1 ·
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1

How does an open collector work?

  • nothing909
  • · Replies 8 ·
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8