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

Does Positive Feedback in Op-Amps Prevent Immediate Saturation?

  • nand_1
  • · Replies 15 ·
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15

Is High Voltage DC Current Dangerous?

  • samieee
  • · Replies 5 ·
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5

Motor circuit for science olympiad project

  • bmklawt
  • · Replies 7 ·
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7

Desigining A Microcontroller On Fpga using Verilog Hdl

  • sanxmks
  • · Replies 3 ·
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3

Bi-directioning dc motor and back emf

  • ramonegumpert
  • · Replies 17 ·
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17

Replacing a 3A 250VAC Switch: Tips and Considerations | Your Guide

  • zachjen
  • · Replies 12 ·
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12

Need 0-3v output from 0-12v input

  • Atomic178
  • · Replies 6 ·
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6
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1

Can I Power a GEYSER with Calculator Solar Panels?

  • k.bipin
  • · Replies 1 ·
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1

Area of Wafer: Pi*r^2 Explained

  • onqun
  • · Replies 3 ·
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3
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1

What is a Retract Servo? Uncovering the Mystery

  • cf8
  • · Replies 4 ·
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4

Can I Build a Simple Mobile Phone for My Graduation Project?

  • shaimaa
  • · Replies 9 ·
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9

A little help with this circuit

  • manual
  • · Replies 6 ·
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6

John's Question About 11mA 8-Pin Relay

  • jbord39
  • · Replies 10 ·
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10

Learn About Multivibrators and Flasher Circuits: A Step-by-Step Explanation

  • mishobg12
  • · Replies 1 ·
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1

How Can I Actively Control Current to Diodes Without Voltage Bias?

  • lennybogzy
  • · Replies 2 ·
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2

Why Transformers Hum? | Unpaired Electrons & Magnetic Fields

  • PanCerowany
  • · Replies 7 ·
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7

Predicting Temperature of PolySi Ring with Current Input

  • chenxianghao
  • · Replies 7 ·
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7

Calculating Resistance of a Graphite Disk

  • baronbob
  • · Replies 11 ·
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11

Building an IR Modulator: Troubleshooting Low Voltage Output

  • jbord39
  • · Replies 4 ·
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4

I Would like to know , it is about solenoid

  • Aksand
  • · Replies 4 ·
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4

How is the 90-degree phase shift achieved in a Var transducer?

  • kanishke007
  • · Replies 5 ·
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5

More than 3-phase system possible?

  • samieee
  • · Replies 2 ·
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2

Basic Circuit Design: Converting 12V to 24V

  • tarmon.gaidon
  • · Replies 21 ·
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21

Can a Magnetic Turbine Create Electricity?

  • Minyun
  • · Replies 14 ·
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14

Generating a short duration spark

  • percy1
  • · Replies 3 ·
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3

Single Op Amp as a voltage regulator?

  • nand_1
  • · Replies 5 ·
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5

Break beam IR emitter and detector

  • Asok
  • · Replies 6 ·
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6

Primary voltage is 220v and my secondary voltage is 12v

  • bogoa
  • · Replies 4 ·
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4

What are the applications of Reactance Diagram?

  • xiv_wolf
  • · Replies 3 ·
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3

Is Magniwork Legit? Uncovering the Truth Behind the Magnetic Power Generator

  • iluvphysics
  • · Replies 2 ·
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2

Calculating Torque on Magnet in Solenoid

  • alan3303
  • · Replies 4 ·
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4

An amplifier that won't amplify

  • lucy_b14
  • · Replies 2 ·
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2

Unsure of what this componenet is.

  • somekid413
  • · Replies 6 ·
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6

Basic LED Radio/audio Spectrum Display

  • martij7au
  • · Replies 11 ·
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11

Energy Saving Devices: Expert Advice Needed

  • psykeeper_14
  • · Replies 4 ·
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4
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16

Questions on Electricity Generation

  • JasonSCarter
  • · Replies 6 ·
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6

Transorb, Zener or Resistor for Back EMF Suppression of Relay?

  • ¡MR.AWESOME!
  • · Replies 5 ·
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5

Heating project (powering a silcone heating element)

  • sinuuar
  • · Replies 1 ·
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1

Leaner question : what is the purpose of this diode in the diagram?

  • ramonegumpert
  • · Replies 6 ·
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6

Turn Non-Backlit LCD Into Backlit LCD | TI-89 Graphing Calculator

  • JerryG
  • · Replies 4 ·
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4

Band bending in a thin film semiconductor

  • fuelcell
  • · Replies 2 ·
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2

Resistance other than from resistor

  • ramonegumpert
  • · Replies 9 ·
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9

Building USB-Controlled Robot on Budget

  • MRClark32493
  • · Replies 1 ·
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1

Discrete and continuous signal processing

  • flemmyd
  • · Replies 2 ·
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2

Intercapacitance: Can it Cause 230 V Contactor to Latch Momentarily?

  • avrajesh1045
  • · Replies 5 ·
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5

How to Amplify a 2.5 mA Pulse to Drive a Latching Relay?

  • jbord39
  • · Replies 3 ·
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3

RF reflection from ground through dense snow

  • MThornton
  • · Replies 2 ·
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2
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1

How Can I Control Motor Angles in a Satellite Project?

  • Em Jay
  • · Replies 3 ·
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3

Can a 2 HP DC motor drives a 5 kW DC Generator?

  • xiv_wolf
  • · Replies 6 ·
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6

Minimum number of relays per h-bridge

  • ramonegumpert
  • · Replies 6 ·
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6

Reliability of substation configuration

  • bigjoe5263
  • · Replies 2 ·
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2
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6

Strain gauge data acquisition board?

  • BWimer
  • · Replies 5 ·
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5

How to calculate resistor values

  • beefertoo
  • · Replies 5 ·
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5
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3

Heating Circuit troubleshooting

  • abhipatel
  • · Replies 5 ·
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5

Can Anyone Explain These Perpetual Motion Videos?

  • Curious007
  • · Replies 1 ·
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1

Detailed circuit with explanation on the automatic voltage regulator

  • hisham.i
  • · Replies 5 ·
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5

Can a 2-Directional Switch Using 2 SPDT Relays Function as an H-Bridge?

  • ramonegumpert
  • · Replies 2 ·
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2

Seeking Advice on Small EE Project Ideas

  • Neutronium
  • · Replies 2 ·
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2

Reactive current to lower the voltage at the generator?

  • Buoyen
  • · Replies 2 ·
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2

RC Charge/Discharge for Electrochemical Capacitor

  • nanomoly
  • · Replies 3 ·
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3

Where can I find a draft of C code to measure frequency using PIC16F84?

  • prescott2006
  • · Replies 2 ·
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2

How to get phase difference between two signals?

  • Einstein Mcfly
  • · Replies 8 ·
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8

Ultrasonic Distance measure circuit question

  • engineerj2010
  • · Replies 8 ·
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8
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10

Finding the Right DC/DC Converter for Iowa State SAE

  • tarmon.gaidon
  • · Replies 6 ·
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6

Alternator on a long transmission line

  • samieee
  • · Replies 5 ·
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5

How Do You Build an Efficient IR Light Curtain for a Greenhouse?

  • Torched
  • · Replies 2 ·
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2

: 50mA-500mA constant Dc current source

  • lkari
  • · Replies 38 ·
2
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38

Synchronization procedure of alternators

  • samieee
  • · Replies 1 ·
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1

How transformer loss vary with load current?

  • sufan
  • · Replies 2 ·
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2

Is Tolerance the Same for Resistors in Series and Parallel?

  • hover
  • · Replies 7 ·
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7

Generator used in a power station

  • davidcowling
  • · Replies 6 ·
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6
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17

Dc to ac inverter circuit diagram and or pcb needed

  • saad ahmed khan
  • · Replies 31 ·
2
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31

How Can I Design a Linear Power Amplifier for Frequencies up to 1MHz?

  • Jdo300
  • · Replies 4 ·
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4

60 Minutes: Could Fuel Cells Revolutionize Energy Use

  • Kenneth Mann
  • · Replies 12 ·
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12
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4

Understanding Imm Files: Time Stamp Header and Accessing Information

  • nuwan78
  • · Replies 4 ·
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4

Power network short circuit current calc

  • lavalin
  • · Replies 1 ·
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1
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6

Need help making a simple flashing LED device

  • ABN
  • · Replies 7 ·
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7

Can Diodes or JFETs Serve as Effective Voltage References?

  • DragonPetter
  • · Replies 9 ·
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9

How Does Antenna Reception Range Affect Signal Decoding?

  • Ionito
  • · Replies 14 ·
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14

Help finding a high power source

  • trini
  • · Replies 4 ·
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4

Help in Explaining Motor Dynamics

  • tehipwn
  • · Replies 2 ·
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2

Transformer Theory: How Voltage Is Induced

  • samjesse
  • · Replies 1 ·
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1

Interview an electrical engineer for a presentation

  • Grogen
  • · Replies 1 ·
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1

Solving Photoresistor Problem - Circuit for Motor w/ Battery Pack

  • karthiksk
  • · Replies 9 ·
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9

Why Does the Common Base Amplifier Model Show a Steep Rise and Offset?

  • haminous
  • · Replies 9 ·
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9

Corona loss in bundled conductors

  • anveshjadav
  • · Replies 5 ·
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5

Transformer Induction coil (COIL CONSTRUCTION)

  • jegues
  • · Replies 39 ·
2
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39

What is the Secondary Side Current in a Transformer-Based Energy Meter Design?

  • harshasunder
  • · Replies 2 ·
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2

Simulating Signals in PSPICE Without Re-Adding Traces

  • Corneo
  • · Replies 4 ·
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4

Pursuing Electrical Engineering: Advice for a Young Initiate

  • Tezla11
  • · Replies 3 ·
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3