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

ATX wire colors in Sparkle Power SG-300G PSU

  • IronBrain
  • · Replies 8 ·
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8

Operational Transconductance Amplifier Layout

  • blue2004STi
  • · Replies 3 ·
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3

Amplify Current Output for Solenoid Valve?

  • jeremyR123
  • · Replies 2 ·
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2

Circuit for producing a single-shot cycle

  • nitin.jain
  • · Replies 2 ·
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2

Electric motor question(torque and speed relationship)

  • akueddy
  • · Replies 7 ·
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7

Can a different circuit design achieve the same function be patented?

  • tom narus
  • · Replies 5 ·
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5

Designing a Voltage Regulator Circuit w/ LM7805

  • ws0619
  • · Replies 3 ·
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3

Looking for a recommendation for a good book

  • guyafe
  • · Replies 2 ·
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2

How to Wire a Toggle Switch and LED Indicator for a 110V Electric Motor?

  • CalTech1
  • · Replies 11 ·
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11

PIC microcontroller Project Ideas

  • Paddy
  • · Replies 9 ·
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9

Contactor with auxillary contacts

  • ismat143
  • · Replies 2 ·
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2

Datasheet website on standards of electrical switchgears

  • b.shahvir
  • · Replies 2 ·
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2

How do I convert Sedra/Smith diode circuit models to closed loop form?

  • Lanot
  • · Replies 4 ·
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4

Should I buy the Fluke 87V or the 28-II multimeter?

  • JerryG
  • · Replies 11 ·
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11

What software should I use to design circuit boards?

  • Jones1987
  • · Replies 6 ·
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6

Can You Wire Bond Low Ductility Materials Successfully?

  • 0xDEADBEEF
  • · Replies 7 ·
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7

Good Windows Circuit Simulator Software

  • iamnew
  • · Replies 5 ·
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5

Trying to wirelessly power an LED.

  • md5fungi
  • · Replies 34 ·
2
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34

I have questions about circuit breakers .

  • strangecomer
  • · Replies 2 ·
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2

Building Induction Generator Setup w/ Current Sensing Switch

  • Colt22
  • · Replies 3 ·
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3

Audio Amplifier frequency analysis

  • GD.Boss
  • · Replies 6 ·
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6

Additive and Subtractive Polarity

  • foolios
  • · Replies 1 ·
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1

Superposition of radio waves and energy conservation law?

  • ychang
  • · Replies 8 ·
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8

Why Is My LM339N Quad Comparator Not Changing Output?

  • faraznizamani
  • · Replies 2 ·
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2

Electric engineering programming language

  • SuperMiguel
  • · Replies 8 ·
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8

Making keyboard controlled RF Car

  • anonymoussome
  • · Replies 1 ·
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1
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1

Base current in transistor flows due to recombination of electrons

  • neo_physicist
  • · Replies 1 ·
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1

Laptop Power Supply: How to Charge Battery Externally

  • tdougherty08
  • · Replies 3 ·
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3

High power, short distance electrical transmission problem

  • taylaron
  • · Replies 1 ·
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1

Will Using HC Instead of AC Resistor Damage My IC?

  • mishobg12
  • · Replies 22 ·
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22

How to Incorporate a Switch Activated by Zero Voltage in a Circuit?

  • Ry122
  • · Replies 2 ·
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2

Locate a servo or similar device

  • Yportne
  • · Replies 10 ·
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10

What Are the Advantages of a 36 Pulse VFD Unit Compared to a 12 Pulse?

  • odinseymour
  • · Replies 1 ·
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1

Is Solder Cup or Crimp Better for a 37-Pin D-Sub Connector?

  • cepheid
  • · Replies 3 ·
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3

Proximity Sensors in Metal Detector gate

  • faraznizamani
  • · Replies 3 ·
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3

Detecting frequency-modulated signals on a 24V AC power line

  • espanholito
  • · Replies 6 ·
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6

Can Pedal Power Light Bulbs Increase in Brightness with More Effort?

  • colintonks
  • · Replies 6 ·
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6

Is Aluminum-Aluminum wound transformer better than Copper-Copper Transformer?

  • flee_flap0508
  • · Replies 13 ·
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13
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1

Fixing Missing Headlight Bulb on 200w Electric Scooter

  • pow210
  • · Replies 2 ·
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2

What Happens When Input Voltage Exceeds PIV in a Half-Wave Rectifier?

  • pupul07
  • · Replies 2 ·
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2

Does the ground have to be on X2?

  • foo
  • · Replies 1 ·
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1

Inverting Op-amp Always outputting .6V

  • zwigby
  • · Replies 9 ·
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9

Can a Simple Relay Prevent Damage from High Voltage in a Hub Dynamo?

  • colintonks
  • · Replies 17 ·
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17
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12

What is the correct circuit symbol for a thermistor?

  • xunxine
  • · Replies 3 ·
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3

Monitoring a Live, 80W, 12VDC Load

  • LotusDome
  • · Replies 30 ·
2
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30

Power supply input discharge voltage

  • StuartHopkin
  • · Replies 1 ·
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1

12V 19Ah Motorcycle Battery to Supercapacitor

  • Ciphex
  • · Replies 1 ·
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1

Using 1V phone vibration motor to trigger relay for 3.6V device

  • arcadefreaque
  • · Replies 5 ·
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5
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5

Current Oscillator Sine Wave Generator .1Hz, 30uA_rms, 1kOhm Target

  • 0xDEADBEEF
  • · Replies 7 ·
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7

Low battery indicator LED for 11.1V system with 7V threshold

  • KSM74
  • · Replies 2 ·
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2

2A302J is what electronic component ?

  • weitao
  • · Replies 5 ·
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5

Why can any two phases be connected together?

  • foo
  • · Replies 60 ·
3
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60
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13

Why does a gain-assisted current mirror need a left transistor?

  • 0xDEADBEEF
  • · Replies 2 ·
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2

Solving Overheating of NPN Transistor C33840

  • ramonegumpert
  • · Replies 1 ·
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1

Limiting alternator output with resistors in parallel

  • knightscape
  • · Replies 6 ·
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6

What is the Current Carrying Capacity of a 1-Inch Grounding Strap?

  • missing-fuse
  • · Replies 1 ·
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1

Generating State Variable Description

  • hadron23
  • · Replies 1 ·
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1

How far can step up transformer inflate voltage

  • aspardeshi
  • · Replies 5 ·
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5

Can i use metallic paints as insulators?

  • chrisalviola
  • · Replies 9 ·
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9

358 in binary single floating point using excess 4

  • francisg3
  • · Replies 4 ·
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4

Wye 3 phase to single phase distribution woes

  • three phase
  • · Replies 9 ·
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9

How Does Wavelength Affect Frequency Calculation?

  • allen.lifegre
  • · Replies 4 ·
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4

Building a 13.56MHz RFID reader with ISO 14443A tags

  • vijbele
  • · Replies 7 ·
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7

Adding an LED display to a 555 timer circuit for liquid pump control

  • daveroderick
  • · Replies 6 ·
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6

Q factor of X-band cavity from two X281A coaxial adapters

  • lukacsmw
  • · Replies 5 ·
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5

Just one hot with no neutral to main lugs

  • Kharnivour
  • · Replies 8 ·
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8

How do you accurately measure the power output of a 10kw generator?

  • aspardeshi
  • · Replies 4 ·
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4

Conceptualling understanding transistors

  • PherricOxide
  • · Replies 4 ·
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4

Calculating temp rise in copper wire

  • philopher
  • · Replies 11 ·
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11

Can a 50Hz Transformer Handle High Frequency Capacitor Charging?

  • Nash78
  • · Replies 7 ·
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7

Transistors for 3 Amps Saturation: What are My Options?

  • manshuk89
  • · Replies 1 ·
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1

Why do different wattage CFLs produce different light levels?

  • Naty1
  • · Replies 5 ·
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5

How does a battery charger know when to stop charging?

  • ramonegumpert
  • · Replies 3 ·
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3

Does a potential coil carry current?

  • foo
  • · Replies 9 ·
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9

Choosing an Op Amp for Circuit Triggering

  • ramonegumpert
  • · Replies 7 ·
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7

Crossover distortion in audio pre-amplifier simulation

  • erer44
  • · Replies 8 ·
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8

Wireless laser pointer to PC via Bluetooth

  • ragefire
  • · Replies 2 ·
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2

NPN transistor not saturating fully to drive bright LEDs

  • ramonegumpert
  • · Replies 8 ·
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8

Current draw question for amplifier

  • erer44
  • · Replies 2 ·
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2

Self sustaining (DC) RC circuit

  • ahmed34234
  • · Replies 1 ·
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1

Can a 9V Motor Produce 200mA as a Generator?

  • ramonegumpert
  • · Replies 2 ·
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2

Why Can't Self-Powered Motors Work Despite Their Appeal?

  • Paddy
  • · Replies 6 ·
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6

Sourcing 1 µF capacitors rated below 80 K with low outgassing

  • davidrit
  • · Replies 10 ·
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10

Electric Power measurement Current Transformers and reactive power

  • w0z
  • · Replies 8 ·
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8
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31

How to Implement a Constant Time Delay in x86 Assembly?

  • abdo375
  • · Replies 10 ·
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10

Why is 1000 = -8 in signed 4-bit binary?

  • francisg3
  • · Replies 3 ·
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3

Reading Multiple Buttons with one IO Pin

  • Jdo300
  • · Replies 10 ·
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10
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3

Do Current Sources Really Exist?

  • samieee
  • · Replies 7 ·
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7

Using a L14F1 IR phototransistor in a switch

  • univeruser
  • · Replies 10 ·
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10

Forward Bias Effects on PN Junction Diodes

  • Garoll
  • · Replies 2 ·
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2
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1

What is the best book for learning about electricity?

  • prashantgolu
  • · Replies 1 ·
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1

Can anybody recommend a book for electrical engineering?

  • jderm
  • · Replies 3 ·
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3