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

High Pass Filter Working Principle

  • ARoyC
  • · Replies 15 ·
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15

Sliding doors operated by a remote control device

  • akerkarprashant
  • · Replies 12 ·
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12

Measuring Capacitance using a basic Multimeter

  • ARoyC
  • · Replies 32 ·
2
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32

Are higher voltage batteries safe for electric vehicles?

  • PhysicsTest
  • · Replies 6 ·
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6

Troubleshooting 30kV Power Supply: Possible Problems and Solutions

  • naviakam
  • · Replies 15 ·
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15

Can Ancient Methods of Grounding Protect Against Static Electricity?

  • Steven Ellet
  • · Replies 6 ·
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6

Superposition Principle for two Voltage Sources (confusions about....)

  • The Tortoise-Man
  • · Replies 20 ·
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20

Is the cable inside a socket outlet / power strip attached firmly?

  • kenny1999
  • · Replies 9 ·
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9

Impedance Matching: The mathematical Conditions for Matching Network

  • The Tortoise-Man
  • · Replies 1 ·
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1

Boeing, Airbus executives urge delay in U.S. 5G wireless deployment

  • berkeman
  • · Replies 6 ·
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6

Finding Piezoelectric Crystal Frequency for Coherer experiment?

  • mishima
  • · Replies 15 ·
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15

Why does the high voltage side of transformers tend to burn out first?

  • fourthindiana
  • · Replies 37 ·
2
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37

"Magic" AA batteries in a home device?

  • DaveC426913
  • · Replies 15 ·
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15

Flyback Voltage Spikes Emitted From an Unprotected Relay

  • CAMTWO
  • · Replies 4 ·
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4

Sequel of "Impedance Matching when the Transmitter, Line and Load...."

  • The Tortoise-Man
  • · Replies 33 ·
2
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33
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2

Explicit Calculation of Q Factor of Loaded Tuned Circuits

  • The Tortoise-Man
  • · Replies 9 ·
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9

How transmission lines deliver (established?) power from generator

  • arestes
  • · Replies 8 ·
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8

Heavy Amplifier Circuit Oscillation Happened

  • Stonestreecty
  • · Replies 3 ·
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3

Is transformer always 'source' to which current returns?

  • Elquery
  • · Replies 6 ·
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6

Can Board B1 Be Used for Requirement R1 Without Modifications?

  • PhysicsTest
  • · Replies 4 ·
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4

Generator winding using diametrically opposed magnet.

  • Ripcrow
  • · Replies 17 ·
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17

Can this comparator accept negative voltage as its negative supply?

  • Mr su
  • · Replies 1 ·
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1

Receiver Circuit Question -- What role does this antenna capacitor play?

  • The Tortoise-Man
  • · Replies 102 ·
4
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102

Capacitive and Inductive Coupled EMI model

  • newengr
  • · Replies 5 ·
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5

AC Hipot Test on MOSFET: Can It Be Done?

  • newengr
  • · Replies 16 ·
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16

Justifying the peak closed loop gain of an op-amp circuit

  • ergospherical
  • · Replies 3 ·
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3

Questions About Choosing a Shunt Resistor

  • Yoyo G
  • · Replies 4 ·
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4

How to make an audio processing device for noise reduction ?

  • hugo_faurand
  • · Replies 3 ·
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3

What happens when ON/OFF switch is in the midway?

  • kenny1999
  • · Replies 3 ·
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3

Resonance in transmission lines

  • ergospherical
  • · Replies 5 ·
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5

Resonant Frequency for a Coil-Only Antenna

  • Narayanan KR
  • · Replies 13 ·
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13

Does wire length difference create phase shift?

  • yahastu
  • · Replies 5 ·
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5

A Question on Skin Effect and Eddy Currents

  • Narayanan KR
  • · Replies 6 ·
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6

LED/"LASER" Printers - How are +5000 LEDs addressed/controlled?

  • NTL2009
  • · Replies 4 ·
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4

Silvaco TCAD question -- adding texturing

  • Sayf-alawneh
  • · Replies 10 ·
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10

Optical vs Static Dielectric Constant for E-field Simulation

  • newengr
  • · Replies 8 ·
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8

Why can't the US make auto microprocessor chips?

  • dlgoff
  • · Replies 19 ·
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19

Impedance Matching when the Transmitter, Line and Load impedances are different

  • The Tortoise-Man
  • · Replies 24 ·
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24

Considering Earth ground vs floating ground in off grid solar

  • yahastu
  • · Replies 13 ·
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13

Can Daisy Chaining Torque Motors Increase Power Output?

  • ktoz
  • · Replies 5 ·
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5

Signals with the same frequency spectrums but different power levels

  • PainterGuy
  • · Replies 17 ·
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17

Why Does the Filament Box in a CRT Electron Gun Have Multiple Pins?

  • artis
  • · Replies 12 ·
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12

Interesting Links Between Faraday's EM Induction and EPR

  • Narayanan KR
  • · Replies 5 ·
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5

Need pointers on how to convert schematic to breadboard

  • REEEEEEEE
  • · Replies 6 ·
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6

Analogy between EM wave reflection and S-parameters

  • paralleltransport
  • · Replies 3 ·
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3

Straight wire inductance vs wire radius

  • supernano
  • · Replies 5 ·
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5

Current Path for Corona Discharge

  • KyleGranger
  • · Replies 17 ·
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17

CMRR in open loop and closed loop configuration of opamp

  • anubhavsingh
  • · Replies 5 ·
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5

Voltage Balancing: Capacitive vs Resistive

  • KyleGranger
  • · Replies 7 ·
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7

Why can a capacitor be charged by a battery (DC)?

  • Yoyo G
  • · Replies 2 ·
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2

What causes variations in delay in coax cable of the same length?

  • Twigg
  • · Replies 22 ·
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22

Equivalent Power In series and parallel combination

  • Shivansh Mathur
  • · Replies 24 ·
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24

Help me understand how this breadboard works?

  • Purpleshinyrock
  • · Replies 6 ·
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6

Changing a schematic diagram to British Standards (BS 3939)

  • patric44
  • · Replies 2 ·
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2

Understanding a Single Transistor Flyback Transformer Driver?

  • doggy
  • · Replies 3 ·
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3

Spectral Irradiance Calculation

  • Itay Segal
  • · Replies 26 ·
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26

Step up (boost) MPPT charge controllers?

  • yahastu
  • · Replies 6 ·
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6

Home-made electrical motor not running

  • S_Noakes
  • · Replies 58 ·
2
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58

How Does the Micsig DP2003 Handle High Voltage Measurements?

  • KyleGranger
  • · Replies 5 ·
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5

Magnetic field produced by linear current in COMSOL

  • Caleydos
  • · Replies 5 ·
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5

Explaining Voltage Split in Series Circuits with Ohm's Law

  • JD_PM
  • · Replies 6 ·
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6
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103

Eddy current position sensor circuit

  • Rx7man
  • · Replies 5 ·
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5

Inductor Circuit Simulation: Understanding Current Rise and Voltage Output

  • PhysicsTest
  • · Replies 5 ·
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5

How to wind a brushless motor (number of windings per stator)

  • oystein
  • · Replies 1 ·
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1

Using delicate 5V IC to toggle 12V device with MOSFET, Diode, resistor

  • NotASmurf
  • · Replies 8 ·
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8

Silicon and Germanium semiconductor mixtures used in component manufacturing?

  • akerkarprashant
  • · Replies 4 ·
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4

Orientation of Electric Fields in a Bucking Coil Setup

  • Narayanan KR
  • · Replies 9 ·
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9

Setting Sheet Size of Lumped RLC in HFSS

  • Melon
  • · Replies 3 ·
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3

XLR Port Negative Pin: ZRL & Ground Explained

  • moriah
  • · Replies 8 ·
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8

US 2-phase conversion to EU one phase

  • dabnug
  • · Replies 41 ·
2
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41

220Vac single pole, to work in US 220Vac double pole

  • chriskoz
  • · Replies 6 ·
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6

Powerline electrolysis hydrogen production

  • artis
  • · Replies 11 ·
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11

Square Wave Magnetic Pulses Using Harmonic Addition

  • Narayanan KR
  • · Replies 24 ·
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24

What Explains the Lack of Current in a PN Junction at Equilibrium?

  • unified
  • · Replies 3 ·
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3

Cable color standards in the US

  • iqbad
  • · Replies 5 ·
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5

Calculating Input impedance of a CC amplifier

  • brainbaby
  • · Replies 9 ·
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9
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73

Have you seen this in-plug fuse arrangement before?

  • berkeman
  • · Replies 35 ·
2
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35

Why a transformer cannot use DC (Ampere's law)?

  • kekkeroo
  • · Replies 2 ·
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2

Reverse saturation current and leakage current in a BJT

  • anubhavsingh
  • · Replies 1 ·
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1

LTSpice functionalities regarding its Frequency Domain Analysis

  • PhysicsTruth
  • · Replies 18 ·
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18

Can Radar Technology See Through Walls and Accurately Detect 3D Shapes?

  • LightningInAJar
  • · Replies 8 ·
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8

TV antenna dish: depth, f/D, or focal distance

  • nomadreid
  • · Replies 44 ·
2
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44

Basics of embedded (esp32) firmware upload

  • theycallmevirgo
  • · Replies 1 ·
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1

AM, FM modulation, sidebands question

  • artis
  • · Replies 15 ·
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15
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18

Why are there chips in USB chargers?

  • Leo Liu
  • · Replies 7 ·
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7

How much bulge means a bad cap?

  • Viper01
  • · Replies 7 ·
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7

How to Convert dBV and dBA to dBW?

  • KyleGranger
  • · Replies 7 ·
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7

Why Does Power Cycling Cause Test Equipment Failures?

  • arydberg
  • · Replies 8 ·
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8

Earth grounded, where does the current flow?

  • lukka98
  • · Replies 19 ·
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19

How can I detect magnetic fields which are weaker than the Earth's?

  • FHDCUTjg
  • · Replies 17 ·
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17

European data relay satellite system

  • PainterGuy
  • · Replies 5 ·
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5

Need a force-like unit for classical particle system simulation

  • iteratee
  • · Replies 4 ·
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4

Capacitor Extraction: Charging & Isolating Electrons

  • dansmith170
  • · Replies 10 ·
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10

Modifying generator windings to convert output from 220V to 55V.

  • GSPL
  • · Replies 8 ·
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8

Efficiency of charging new and old Li-ion batteries in electric cars

  • Frodo
  • · Replies 10 ·
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10

Permeability of Iron: How Does It Affect Electromagnets?

  • CCatalyst
  • · Replies 30 ·
2
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30