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

Current sensor needed to monitor solar cell while cell is being used.

  • Tedesh
  • · Replies 11 ·
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11

What's the difference between plasma TV and LCD?

  • sniffer
  • · Replies 10 ·
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10

How to prevent wiring mistakes?

  • Jez09
  • · Replies 12 ·
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12
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4

Question on Back emf generated by motor

  • mag4gen
  • · Replies 7 ·
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7

What Is the Vacuum Level of a CRT TV?

  • FlufferNuterFSU
  • · Replies 5 ·
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5

Electrolyte capacitor in circuit simulators like TINA and nl5?

  • m718
  • · Replies 1 ·
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1

How Do You Design an Electromagnet to Attract a Disk from 15cm Away?

  • sbotzer
  • · Replies 14 ·
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14

Project topic suggestions for piezoelectric resonances

  • ravi235332
  • · Replies 1 ·
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1

What Components Ensure Precision in Sensitive Analog Circuit Design?

  • Topher925
  • · Replies 19 ·
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19

Determining stability of min phase system using GM and PM

  • HasuChObe
  • · Replies 6 ·
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6

Understanding and Applying Thevenin's Theorem

  • maverick280857
  • · Replies 16 ·
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16

Do ferromagnetic materials fire differently in a coil gun underwater?

  • logickills
  • · Replies 3 ·
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3

Where to Buy CEE 7/7 Plugs for Burial Cable?

  • Dansercoer
  • · Replies 3 ·
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3

JFET Replacements for 2N5952 in MXR Phasor

  • chaoseverlasting
  • · Replies 11 ·
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11

LED voltages lends to different colors?

  • Robin07
  • · Replies 1 ·
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1

Can neighbors below cause electrical shocks through the floor?

  • soulmusic
  • · Replies 12 ·
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12

Unit Of Measure For My Electricity Meter

  • DaleSwanson
  • · Replies 7 ·
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7

Motor Ratings: 12V, 2 Ohm/Winding: How Much Current?

  • saad87
  • · Replies 5 ·
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5
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2

High Voltage Module for Capacitor Charging

  • axi0m
  • · Replies 10 ·
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10

Why does capacitance on PCB connection pads prevent high frequency operation?

  • jeff1evesque
  • · Replies 8 ·
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8

How to divide a 24MHz clock to get 1kHz (in Verilog)

  • EugP
  • · Replies 13 ·
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13

Stepper Motor Controller only working on a particular power suppy?

  • saad87
  • · Replies 24 ·
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24

555 timer circuit not oscillating with 470µF capacitor and 10kΩ resistor

  • daveroderick
  • · Replies 6 ·
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6

What does tolerance mean for resistors and capacitors?

  • trashman
  • · Replies 1 ·
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1

What Are Step Relays and How Do They Function?

  • ahmedahmed
  • · Replies 4 ·
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4

Best Circuit Simulator software?

  • reinaldo
  • · Replies 5 ·
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5

Residual electromagnet magnetism

  • bobbobwhite
  • · Replies 3 ·
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3
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12

How can i generate a 370 A current?

  • trini
  • · Replies 29 ·
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29

How to Choose the Right Diode Model for Your Project?

  • mmg0789
  • · Replies 1 ·
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1

DC Motor control system question- random reversals

  • RNagy
  • · Replies 8 ·
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8

How to Build 1/4 Wave Cables for 90 MHz Frequency?

  • mustafa_2009
  • · Replies 15 ·
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15
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7

Frequency Counter: Counting Closely Amplitudes

  • m718
  • · Replies 2 ·
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2

12v DC motor precise stopping point?

  • Hoovy
  • · Replies 2 ·
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2

Can DC motor works as a stepper motor?

  • StealthRay
  • · Replies 1 ·
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1

FM radio receiver circuit for 87.5-108MHz band

  • misz_univerze
  • · Replies 6 ·
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6

Why use electromechanical locks when mechanical locks are more reliable

  • cepheid
  • · Replies 28 ·
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28

How much DC voltage when 3phases are rectified

  • prashsar
  • · Replies 2 ·
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2
  • Poll Poll

Single-phase AC motor - winding distribution

  • Ergison
  • · Replies 5 ·
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5

How Can I Prevent My LC Circuit Capacitor from Overheating?

  • lankan_ice_405
  • · Replies 11 ·
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11

Why do I get 17V AC output from my 12V DC power supply?

  • chaoseverlasting
  • · Replies 9 ·
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9

Wind turbine for low speed winds

  • Kalagaraz
  • · Replies 7 ·
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7

Circuit analysis self-tests/practice

  • shmuel
  • · Replies 4 ·
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4
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11

How Are AC Signals Combined in Audio Systems?

  • Blenton
  • · Replies 1 ·
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1
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10

How do cryogenic amplifier chips work at 2K to 300K?

  • 0xDEADBEEF
  • · Replies 2 ·
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2

LED 'ON' light across power switch

  • DaveC426913
  • · Replies 7 ·
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7

Microchip's PIC microcontrollers

  • orthovector
  • · Replies 4 ·
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4

How to calculate lamp resistance and voltage for an 18W tubelight

  • pd_du26rt
  • · Replies 2 ·
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2

Trouble understanding fft norm axis sampling frequency etc

  • eric hardin
  • · Replies 2 ·
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2
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1
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6

How can I convert 12V DC to 14AC 50Hz for my guitar synthesizer?

  • SCMatrix
  • · Replies 5 ·
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5
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4
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3

Why a phasor consists of the magnitude of a voltage multiplied

  • jeff1evesque
  • · Replies 4 ·
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4

What is the sum of u(t) and u(-t) at t=0?

  • sfunds
  • · Replies 2 ·
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2

How to dim LED array without a switch when power is cut off

  • waterbottle
  • · Replies 7 ·
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7

Most popular board layout program

  • chopficaro
  • · Replies 13 ·
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13

What are generator neutral earthing resistances

  • Josh111
  • · Replies 2 ·
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2

How can I get absolute value of impedance?

  • andreass
  • · Replies 7 ·
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7

Piezo-electricity, can it be applied to large structures

  • pj83
  • · Replies 3 ·
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3

Why do power and torque curves not intersect in metric units?

  • stickers
  • · Replies 6 ·
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6

Qusetion about dynamic emitter resistance

  • bitrex
  • · Replies 4 ·
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4

Circuit Diagram: Pulse Generator W/Varying Width/Amplitude/Freq

  • pd_du26rt
  • · Replies 1 ·
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1

Most Interesting Area od Research/Specialization?

  • Peon666
  • · Replies 1 ·
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1

Engine vs Motor Capacity: Find the Right Match for Your Genset

  • RhondaDube
  • · Replies 4 ·
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4

Add wall-wart in parallel with batteries?

  • mv10
  • · Replies 26 ·
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26

How Can I Build a High Frequency Pulse Generator with Specific Characteristics?

  • Soliton_steve
  • · Replies 10 ·
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10

Could someone explian to me what a Candella is?

  • Starwatcher16
  • · Replies 3 ·
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3

Insulated inductor vs non insulated

  • Blenton
  • · Replies 2 ·
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2

LED that turns on when pressure is applied to a sensor

  • WaySafe
  • · Replies 7 ·
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7
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8

Wiring Diagram for 3-Phase Contactor with Two Switches - Ahmed Hassan

  • ahmedahmed
  • · Replies 9 ·
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9

12v reverse speed control circuit diagram

  • terencep
  • · Replies 3 ·
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3
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2
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6

Can Bedini Free Energy Motors Really Defy the Laws of Physics?

  • agabrielauto
  • · Replies 5 ·
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5

CST MWS boundary conditions affecting L-probe patch antenna S11 results

  • winsonwhy
  • · Replies 1 ·
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1

How Are Power Panels Ventilated?

  • i.mehrzad
  • · Replies 2 ·
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2

Electric Field in the rotating wire frame

  • D_Sathish
  • · Replies 1 ·
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1

Why Choose DC Over AC for Large-Scale Electrical Projects?

  • chem123
  • · Replies 5 ·
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5

Extremely low frequency—antenna

  • ws0619
  • · Replies 15 ·
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15
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2

Matching Input and Output Current on Transformers: A Common Question

  • harblargh
  • · Replies 5 ·
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5
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17

Differential limiting amplifier

  • mmzaj
  • · Replies 6 ·
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6

Solving Diode Bridge Current with AC-to-DC Circuit

  • apc3161
  • · Replies 8 ·
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8

Can i adjust a 12V DC motor's RPM with a Dimmer?

  • designchick
  • · Replies 12 ·
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12

Submersible pump housing ruptures after startup on 240V 3-phase system

  • livewireca
  • · Replies 5 ·
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5

Tap Changers Transformers in parallel

  • luc4van
  • · Replies 5 ·
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5

Why Are High Current Busbars Typically Nickel Plated?

  • Starwatcher16
  • · Replies 4 ·
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4

How do I connect a relay to a circuit board?

  • ahmedahmed
  • · Replies 5 ·
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5

How to Model a 3 Phase Transformer in Ansoft Maxwell?

  • msaffari
  • · Replies 3 ·
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3

Neutral-earth harmonic resonance

  • luc4van
  • · Replies 1 ·
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1

Sawyer-Tower circuit hysteresis loop oscilloscope connections

  • NAP2626
  • · Replies 12 ·
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12