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

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13

Is this polisher motor circuit AC or DC?

  • Adder_Noir
  • · Replies 7 ·
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7

Connecting audio inputs to BA5417 power amplifier IC

  • amanmahadeshwar
  • · Replies 2 ·
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2

Alternative energy sources to generate electricity?

  • dejan
  • · Replies 17 ·
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17

Power Supply Leakage Current When No Load Is Applied

  • cepheid
  • · Replies 3 ·
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3

Why is there no current between base and collector in a PNP transistor?

  • The_Thinker
  • · Replies 4 ·
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4

Designing Electromagnets for a 0.5" Moveable Magnet

  • sciencetech
  • · Replies 2 ·
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2

How Does a TC Circuit Utilize Capacitors and Voltage for Resonance?

  • ice109
  • · Replies 4 ·
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4

Do RC Circuits Stop Current Flow Through Capacitors Initially?

  • Moneer81
  • · Replies 3 ·
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3

Explain in layman's terms hysteresis

  • pilot
  • · Replies 3 ·
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3

Questions about electromagnets

  • jarred15801
  • · Replies 6 ·
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6

I'm looking for some direction

  • crazy_shoes
  • · Replies 5 ·
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5

An introduction to signals and systems

  • hindeberg
  • · Replies 8 ·
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8

Behavior between different Op-amps

  • lcodar
  • · Replies 8 ·
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8

Need ideas for final semester project

  • snaz_86
  • · Replies 7 ·
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7

How Do Impulse Trains Relate to the Derivative of a Periodic Signal?

  • maverick280857
  • · Replies 1 ·
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1

Finding start of ferrite transformer

  • microman
  • · Replies 6 ·
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6

Governor gain and governor droop in unit commitment problems

  • ineedmunchies
  • · Replies 4 ·
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4

Making Connections with a Tiny Op-Amp

  • Adder_Noir
  • · Replies 17 ·
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17

Maximum range (RFID) can function

  • banerjeerupak
  • · Replies 5 ·
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5

Understanding Logic Comparators with Negative Feedback: Sam's Confusion

  • samski
  • · Replies 5 ·
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5

Maximun bps rate on an ITU channel over standard single mode fiber

  • jga
  • · Replies 1 ·
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1

Resistor - four terminal device

  • ineedmunchies
  • · Replies 7 ·
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7

How Do You Calculate Average Power in an AC Circuit with Phasors?

  • ineedmunchies
  • · Replies 3 ·
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3

Choosing Resistor for LED Circuits

  • NanakiXIII
  • · Replies 15 ·
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15

Free 3-D EM Software for Modeling Transformers and Mapping Poynting Vectors

  • Bret Danfoss
  • · Replies 4 ·
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4

Need a layout/map on what to learn to acheive the following project

  • kidman
  • · Replies 3 ·
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3

Proto-typing Wire: 0.25mm^2 or Less?

  • Adder_Noir
  • · Replies 2 ·
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2

50-60 Hz noise from AC line in RFID regulator circuit

  • j777
  • · Replies 8 ·
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8

Repairing/Bypassing Speed Controller on Electric Scooter

  • evfreak
  • · Replies 4 ·
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4

Grounding Electronics in Space: A Question to Ponder

  • Maxwell
  • · Replies 3 ·
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3

How to Plot Frequency Response of a Power Supply Using SPICE?

  • ranger
  • · Replies 1 ·
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1

How do you build a simple square wave oscillator?

  • Adder_Noir
  • · Replies 31 ·
2
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31

Instrument Accuracy: Does Error Remain % or Change to +-V?

  • ineedmunchies
  • · Replies 3 ·
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3

P-Channel FET Amp: Deriving Output Voltage

  • waht
  • · Replies 1 ·
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1

Need Recommendations For An Electric Motor

  • GarageTinker
  • · Replies 13 ·
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13

How do MOSFETs work for coilgun firing circuits?

  • SaraR
  • · Replies 1 ·
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1

Measuring body resistance with a multimeter: how much current flowed?

  • C0nfused
  • · Replies 14 ·
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14

How to Build a 40 MHz Oscillator Circuit?

  • a789irfan
  • · Replies 1 ·
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1

Drive a piezo crystal to produce ultrasound?

  • Adder_Noir
  • · Replies 2 ·
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2

How do I write data to an external EEPROM on an Atmel chip?

  • LM741
  • · Replies 2 ·
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2

State diagram for a mod-10 Gray code counter with 2-4-2-1 weighting

  • undomielestel
  • · Replies 1 ·
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1

Inductance coil with water pipe

  • shellysharma
  • · Replies 2 ·
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2

Anybody know about electrical components?

  • SolarMan777
  • · Replies 2 ·
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2

Can I Increase Torque on My Grinder/Polisher Without Changing Speed?

  • Adder_Noir
  • · Replies 2 ·
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2

Parallel Resistance into Emitter Follower

  • Adder_Noir
  • · Replies 11 ·
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11

Aliasing and its relationship to filters

  • Meriem
  • · Replies 4 ·
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4

Suggestions to begin study communication and digital signal processing

  • rickslim
  • · Replies 2 ·
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2

Need advice from electrical engineers.

  • RoboDude
  • · Replies 8 ·
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8

Resistors/caps with high temperature tolerance

  • LM741
  • · Replies 1 ·
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1

High pass filter for pulse shaping

  • Jdo300
  • · Replies 1 ·
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1

What is the role of inductor characteristics in smoothing rectified AC current?

  • Matt Carver
  • · Replies 3 ·
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3

Can increasing voltage or current make a bulb brighter?

  • waver
  • · Replies 9 ·
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9

How many ways to arrange n bulbs in series with a battery?

  • pixel01
  • · Replies 32 ·
2
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32

Battery Recharge In An AC Circuit

  • Chronothread
  • · Replies 4 ·
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4

AM signal at 100% vs CW keying: same spectrum?

  • ve7lyd
  • · Replies 6 ·
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6

I/Q (Inphase and quadrature) demodulation circuit

  • kent
  • · Replies 1 ·
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1

100 lb load cell readings higher than expected

  • vic92
  • · Replies 1 ·
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1

Will Adding a Second Generator Increase Power Output?

  • ajsingh
  • · Replies 6 ·
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6
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1

Frequency reponse of shock absorber piston in F1 car

  • LM741
  • · Replies 4 ·
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4

How Do Diodes Function in Various Electronic Applications?

  • Mr_Bojingles
  • · Replies 3 ·
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3

When exactly does a capacitator discharge?

  • Mr_Bojingles
  • · Replies 2 ·
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2
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4

Why not harvest power from existing radio signals in the air

  • seang
  • · Replies 12 ·
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12

Can you calculate a fan's power rating from resistance measurements?

  • pixel01
  • · Replies 8 ·
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8

Can a 150-watt ceramics heating element get hot enough to light a cigar?

  • rupigill0
  • · Replies 15 ·
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15

Can we use lasers to store and transfer data in crystals?

  • SkiesOfBordom
  • · Replies 19 ·
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19

Solve Link Budget: EIRP 100000 W, -75 dBm Receiver Sensitivity

  • ENGRstudent
  • · Replies 4 ·
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4

Short circuit constraint error connecting DIP IC pads in Protel DXP

  • cepheid
  • · Replies 7 ·
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7

Mutual Inductive Coupling in Power Distribution Systems

  • splitendz
  • · Replies 1 ·
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1

How can i figure how hot this wire is getting?

  • ECU0406
  • · Replies 22 ·
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22

Piezo electric transducer used as a receiver

  • Adder_Noir
  • · Replies 5 ·
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5

DC-AC inverters and wall outlets

  • Sedmic
  • · Replies 2 ·
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2

Phase sensitive demodulation circuit

  • LM741
  • · Replies 6 ·
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6

Electromagnets, high voltage/amps, and RF

  • SkiesOfBordom
  • · Replies 3 ·
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3

Import Proteus Schematic to Orcad for PCB Layout

  • nadinemaalouf
  • · Replies 4 ·
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4

Shannon sampling theorem and Nyquist

  • leright
  • · Replies 4 ·
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4

Is the VLSI field oversaturated?

  • Maxwell
  • · Replies 5 ·
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5
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7

Multisim: 8-Bit Parallel-In/Serial-Out (74ls166)

  • N468989
  • · Replies 2 ·
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2

Design feedback on alternator voltage regulator circuit

  • Adder_Noir
  • · Replies 11 ·
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11
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1

Open Collector Vs. Totem Pole Outputs

  • cepheid
  • · Replies 4 ·
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4

Pneumatic slide keeps moving after solenoid valve loses power

  • Stanley_Smith
  • · Replies 2 ·
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2
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1

Calculate copper plate resistance

  • robhlee
  • · Replies 1 ·
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1

Building a 6-control RC system for an all-terrain vehicle

  • ank_gl
  • · Replies 1 ·
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1

How Does a CRT Oscilloscope Compare in Terms of Setup and Portability?

  • brewnog
  • · Replies 5 ·
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5

Optical Fiber attenuation coefficient

  • teleport
  • · Replies 12 ·
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12

Driving a coil Voltage drive? Current drive?

  • kent
  • · Replies 3 ·
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3

Point-Plane Electric Field Intensity

  • rpiengineer
  • · Replies 4 ·
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4

Solving a 1000HZ Annunciator Problem

  • olebuckeye
  • · Replies 7 ·
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7

Current against slip relationship of induction machine?

  • cabellos
  • · Replies 1 ·
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1
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3

How to Make a Self-Starting Motor with Basic Materials

  • LAdidadida
  • · Replies 1 ·
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1

Designing an Impedance Matching Network for 300 Ohm to 50 Ohm Transmission Lines

  • ENGRstudent
  • · Replies 12 ·
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12

A (probably) simple RC circuit question

  • oldguy
  • · Replies 5 ·
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5

Adding bytes with 4-bit full adders

  • Duellist
  • · Replies 10 ·
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10

Other topics in Electrical Engineering?

  • seang
  • · Replies 4 ·
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4