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

What is the purpose of an inductor?

  • AchillesWrathfulLove
  • · Replies 9 ·
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9

Buck-boost converter output current limiter

  • Sid55
  • · Replies 10 ·
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10

Semi major and minor axis of polarization ellipse

  • henil
  • · Replies 2 ·
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2

When putting a Resistor in series with an LED

  • AchillesWrathfulLove
  • · Replies 7 ·
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7

Does higher relative permittivity increase antenna bandwidth?

  • qnach
  • · Replies 4 ·
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4

How to understand the Rating of this transformer

  • RITESHH KAKKAR
  • · Replies 4 ·
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4

Accuracy of hand calculations, software and multimeters for circuit analysis

  • AchillesWrathfulLove
  • · Replies 5 ·
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5

How do I learn to design and make my own electronics

  • AchillesWrathfulLove
  • · Replies 3 ·
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3

Can I Identify and Replace Damaged Components?

  • TechTree
  • · Replies 10 ·
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10

Controlling 10 mA Relay with Opening/Closing Switches

  • John1397
  • · Replies 4 ·
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4

Inverted Pole : Pole-Zero Diagram

  • Joseph M. Zias
  • · Replies 3 ·
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3

What is the LED for in an electricity meter?

  • RITESHH KAKKAR
  • · Replies 8 ·
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8

How to calculate BJT electron flow

  • RITESHH KAKKAR
  • · Replies 4 ·
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4

How to calculate Electrical Unit

  • RITESHH KAKKAR
  • · Replies 6 ·
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6

Why does my 100W solar panel only deliver 45W to a 12V battery?

  • John1397
  • · Replies 8 ·
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8

Problems with a boost converter

  • electricalguy
  • · Replies 8 ·
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8

Portable generator - grounding or not?

  • fog37
  • · Replies 8 ·
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8

Why three-leg transformer core MMF uses one outer leg, not both

  • Paola Flores
  • · Replies 5 ·
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5

Understanding SCRs for a Sound-to-Light Converter

  • John1397
  • · Replies 13 ·
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13

Reading datasheets to pick a comparator

  • akaliuseheal
  • · Replies 2 ·
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2

Why do real circuits look different compared to circuits people study

  • AchillesWrathfulLove
  • · Replies 8 ·
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8

Eliminating sources in superposition: one at a time or all at once?

  • AchillesWrathfulLove
  • · Replies 1 ·
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1

Can large static discharge cause vision to see white flash?

  • jooms321
  • · Replies 8 ·
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8

Capacitive touchscreen control using a transistor

  • GRASBOCK
  • · Replies 4 ·
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4

Thermistor bandwidth for 10µs temperature measurements

  • eq1
  • · Replies 22 ·
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22

How Do Microwave transmitters work without physical connections?

  • Tech2025
  • · Replies 5 ·
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5

Potentiometer or Closing Valve for Regulating 12V DC Pump Flow?

  • Steven Bolgiano
  • · Replies 6 ·
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6

How to Handle Opposing Current Sources in Mesh Current Method?

  • AchillesWrathfulLove
  • · Replies 2 ·
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2

Why do you subtract different voltages in NodeVoltageMethod

  • AchillesWrathfulLove
  • · Replies 4 ·
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4

How to avoid a clash of magnetic charge and electric charge

  • nashikin58
  • · Replies 11 ·
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11

Pulsating DC supply to LC circuit

  • electricalguy
  • · Replies 8 ·
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8
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12

What causes interference with HDTV over-the-air reception?

  • Johnnyallen
  • · Replies 10 ·
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10

Can an iPad battery be affected by altitude?

  • ThirtyWest
  • · Replies 3 ·
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3

SNR calculation methods for spectrophotometer signals

  • otaKu
  • · Replies 4 ·
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4

Questions about how an inductor works

  • AASHISH SRIVASTAVA
  • · Replies 38 ·
2
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38

Build Astable 555 Timer 8-Bit Computer Clock with Ben Eater's Project

  • Beanyboy
  • · Replies 11 ·
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11

Why is the potential drop in the wire not considered in a circuit?

  • hokhani
  • · Replies 8 ·
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8
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4

Nanoantenna calculation using CST

  • qnach
  • · Replies 10 ·
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10

What happens to the current when an electric motor slows to a halt?

  • jojo13
  • · Replies 9 ·
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9
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7

How to calculate the counter-electromotive force of a motor?

  • cabrera
  • · Replies 4 ·
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4

Variable-frequency drive (VFD) output without load (motor)

  • gnurf
  • · Replies 9 ·
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9

Battery pack fuse keeps blowing during diode test on 64 AA cells

  • Adcour
  • · Replies 18 ·
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18

Can a 60 Hz transformer work on a 50 Hz supply?

  • jojo13
  • · Replies 10 ·
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10

What's the advantage of using a voltage buffer amplifier?

  • RonzRknob
  • · Replies 7 ·
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7

Insulation test of a long cable

  • Guineafowl
  • · Replies 22 ·
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22

Car reading 17V+ in the battery when running, how to fix?

  • Mescapium
  • · Replies 11 ·
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11
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7

How does AC electricity travel hundreds of miles on power lines?

  • Mrgolden
  • · Replies 17 ·
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17

Bench test AC transformer from stereo tube equipment

  • JohnM24018
  • · Replies 9 ·
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9

AC Mains Power conditioner question

  • saintsfan
  • · Replies 18 ·
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18

How to model a transformer in LTspice for FM detection

  • michael1978
  • · Replies 21 ·
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21

Calculate the charging time for my Electric Vehicle

  • Lobotomy
  • · Replies 4 ·
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4

Measuring small differences in the phase of light

  • pyroartist
  • · Replies 17 ·
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17

Why Do Some Universal Motors Overheat and Arc?

  • Guineafowl
  • · Replies 2 ·
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2

LEDs in parallel don't consume the sum of individual currents?

  • neoply
  • · Replies 25 ·
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25

IRF3205 Replacement for 3D Printer: Need Advice

  • c d
  • · Replies 5 ·
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5

Non uniformly distributed p-n junction related problem

  • THE HARLEQUIN
  • · Replies 3 ·
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3

About the development of a better battery

  • spideyjj
  • · Replies 13 ·
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13

Why Do Arcs Form Between Fork Tines in a Microwave Oven?

  • Guineafowl
  • · Replies 21 ·
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21

Discharging a capacitor faster using an external B-field?

  • PhiowPhi
  • · Replies 5 ·
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5

RF Power Meter / SWR Meter Equivalent Circuit

  • Mzzed
  • · Replies 11 ·
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11

LM317 (not Buck) Linear Adjustable Regulator problems

  • John1397
  • · Replies 12 ·
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12
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1

Multimeter continuity test reads 614 ohms across battery terminals

  • Amr_hamed
  • · Replies 19 ·
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19

Book recommendations on Energy Management

  • Paola Flores
  • · Replies 3 ·
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3

High-Power Switching using MOSFETs

  • nuggetchris
  • · Replies 14 ·
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14

RL Circuit Refresher: Solve Total Current

  • jendrix
  • · Replies 5 ·
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5

Method to create a high current and low voltage

  • Siddhartha Peri
  • · Replies 36 ·
2
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36

How synchronous generators maintain grid frequency

  • girts
  • · Replies 46 ·
2
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46

What is the difference between Earth ground and circuit common?

  • anorlunda
  • · Replies 59 ·
2
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59

Where to Buy Electronic Components Online?

  • FMarks
  • · Replies 10 ·
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10

Best way to heat up metal plates?

  • TheFishyTiger
  • · Replies 5 ·
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5

Hello, can somebody check my transistor amplifier schematic?

  • michael1978
  • · Replies 80 ·
3
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80

How is impedance matched with RF connectors?

  • Mzzed
  • · Replies 8 ·
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8
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3

Current rating for an electromechanical contactor

  • srinaath
  • · Replies 4 ·
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4

Power plant generator improvement

  • girts
  • · Replies 20 ·
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20

Measuring very small voltages and currents

  • K Murty
  • · Replies 16 ·
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16

Circulating currents in a delta winding

  • BjornFanden
  • · Replies 20 ·
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20

Can I Double Protect My Outlets with Outlet Surge Protectors?

  • DonL
  • · Replies 5 ·
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5

High Power Amplifier for Acoustic Transducer

  • nauman
  • · Replies 2 ·
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2

How does this 1971 directional flasher switch work?

  • AZFIREBALL
  • · Replies 17 ·
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17

Winding Direction Consideration (Proper Winding)

  • mheruian
  • · Replies 6 ·
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6
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3

Calculating Q-Factor and Resistance for Series LC Filters

  • Mzzed
  • · Replies 4 ·
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4

Why does a coil squash my function generator signal?

  • Albertgauss
  • · Replies 25 ·
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25

Simulink bloc of PMSM (permanent magnet synchronous motor) parameters

  • said76
  • · Replies 2 ·
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2

How does an Op-Amp "find" equilibrium (w/ Negative Feedback)?

  • TimNJ
  • · Replies 50 ·
2
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50

Want to build a simple audio filter

  • Snowmachine
  • · Replies 3 ·
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3

Interest of IQ (QAM) processing at receiver level

  • Ravaner
  • · Replies 6 ·
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6

Hi, has anybody had trouble building the ELENCO 108 AM/FM RADIO KIT

  • michael1978
  • · Replies 55 ·
2
Replies
55

Converting impedence response to electrical conductivity

  • Alba19
  • · Replies 25 ·
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25

New Medical Equipment Standards Impact Power Supply Selection and More

  • berkeman
  • · Replies 3 ·
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3

TTL, voltage, one-wire test rig

  • adamaero
  • · Replies 34 ·
2
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34

Making a safe and effective fly zapper

  • Guineafowl
  • · Replies 17 ·
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17

Is the Offset Fed Satellite Dish on the Police Station Safe?

  • phys86
  • · Replies 9 ·
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9

Converting a 15hp 3-phase motor to 4WD electric lawnmower racer

  • Mase247
  • · Replies 15 ·
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15