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

Designing a Rocket Controller for Altitude Control

  • one3seven5
  • · Replies 2 ·
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2

Can a Kinked Ethernet Cable Still Function Properly?

  • PeterPumpkin
  • · Replies 2 ·
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2

Powering a small fan with solar panels

  • handychick
  • · Replies 2 ·
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2

Can I Charge A Capacitor While Using It?

  • ijrdn
  • · Replies 9 ·
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9

Mystery base current in darlington pair

  • vugo
  • · Replies 6 ·
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6

Malfunctioning LeCroy Oscilloscope

  • gnurf
  • · Replies 9 ·
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9
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4

Wye or delta, source side power generation and distribution

  • chopficaro
  • · Replies 1 ·
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1

Charging 6V emergency light from 12V bicycle dynamo

  • M Rashid
  • · Replies 1 ·
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1

Is the Sampling Theorem Always Accurate?

  • Negatron
  • · Replies 13 ·
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13

Hi everyone i am dong my project designing a 3d solid state

  • gopikandru
  • · Replies 6 ·
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6

Anyone know how I can build a FM radar gun?

  • drakecai
  • · Replies 9 ·
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9

Find Power & Current Info for DC Battery 9V/1.5V

  • tefavolc
  • · Replies 5 ·
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5

Build Anything: EE Specializations & At-Home Projects

  • PhysicsHigh
  • · Replies 6 ·
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6

Small device to get voltage from fire

  • bassplayer142
  • · Replies 9 ·
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9

P-channel Mosfet Design for switching of LED display as source

  • rishispr
  • · Replies 8 ·
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8

Transformer Wiring for Triple Phase to Split Phase Conversion

  • chopficaro
  • · Replies 7 ·
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7

Zero State Step Response vs. Step Response in LTI Systems?

  • kirthiga
  • · Replies 1 ·
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1

Who can send me a diagram of a 12dc battery inverted to 220vac thank

  • khisiamer
  • · Replies 1 ·
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1

Explain the basic concept of IGBT inverter ?

  • mandala09
  • · Replies 7 ·
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7

Wiring fan control to heating and cooling circuits

  • vincemash
  • · Replies 1 ·
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1

Constant Power to a Varying Load

  • fobos3
  • · Replies 9 ·
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9

Distance measurement by means of optical interferometry

  • ikatz
  • · Replies 2 ·
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2
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2

High voltage Ac generation to apply to a capacitor

  • Bailiwick
  • · Replies 11 ·
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11

Testing Heating Hot Dog in 900W Microwave Oven

  • gstrom
  • · Replies 8 ·
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8

Why is my state machine output being synthesized away?

  • keith03
  • · Replies 6 ·
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6

Can heat generate triboelectricity?

  • Stanley514
  • · Replies 1 ·
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1

Backup Generator for 90 Apartments: Is My Understanding Right?

  • ariseawake
  • · Replies 3 ·
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3

How to Calculate Heat Generated by Electric Current in Different Materials?

  • Frostfire
  • · Replies 4 ·
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4

Why Does Changing Intervals and Arguments Affect Convolution Integrals?

  • nhrock3
  • · Replies 2 ·
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2

How can I safely use HDD stepper motors for different applications?

  • Lancelot59
  • · Replies 12 ·
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12

First Project - Simple FM Radio/Receiver made Complex

  • Voltman13
  • · Replies 1 ·
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1

Why is the Inducted Voltage Negative in Book B's Dot Convention?

  • degs2k4
  • · Replies 6 ·
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6

What to do with an extra motor?

  • noagname
  • · Replies 7 ·
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7

1X or 10X Passive Voltage Probe?

  • vze3bbyp
  • · Replies 1 ·
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1

Optimizing Multiplexing for High Frequency Analog Signals

  • Topher925
  • · Replies 14 ·
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14

How to convert dc voltage into higher dc voltage using transformer?

  • tefavolc
  • · Replies 16 ·
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16

Wiring a three pronged rocker switch

  • CYIWON
  • · Replies 5 ·
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5

Ultrasonic in distance measurement

  • newyorker
  • · Replies 16 ·
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16

LTSpice IV simulation speed adjustments

  • ElectroPhysics
  • · Replies 1 ·
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1
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1

Is Using PV Cells for Water Heating a Cost-Effective Solution in Southern UK?

  • sophiecentaur
  • · Replies 3 ·
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3

Image vs. sound quality in videos and audio lectures?

  • Spinnor
  • · Replies 2 ·
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2

Wave Generation from Point Sources: Interference Patterns and Radio Aerials

  • poor mystic
  • · Replies 65 ·
3
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65

Convert from tripple phase to 120/240

  • chopficaro
  • · Replies 1 ·
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1

How to Dry SF6 Tank: Rules of Thumb & Models

  • Hypersphere
  • · Replies 2 ·
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2

Cockroft Walton Capacitor charging circuit.

  • wil3
  • · Replies 13 ·
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13

Understand Magnetic Circuits: Energy Requirements Explained

  • dhruv.tara
  • · Replies 1 ·
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1

Make a Resonant Electrostatic Water Capacitor

  • Farlander
  • · Replies 5 ·
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5

Relation between sensitivity and Q-factor

  • aashishphy
  • · Replies 1 ·
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1

Transistor beta(dc current gain)

  • tefavolc
  • · Replies 5 ·
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5

Make Auto-Switching Device Using Transistor

  • tefavolc
  • · Replies 12 ·
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12

Where Can I Find a Simple Guide to Transformer Design?

  • mfc5200
  • · Replies 5 ·
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5

High Voltage Amplifier and Frequency Divider

  • TChi
  • · Replies 6 ·
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6

Calculating Complex Power: P+jQ

  • chopficaro
  • · Replies 4 ·
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4

How to increase the current source/sink capacity of a digital PWM signal

  • Mark Merlo
  • · Replies 2 ·
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2

How Does a Metal Sleeve Affect a Solenoid's Inductance?

  • Antimatter90
  • · Replies 1 ·
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1

Electrical resistance of springs

  • CuriousG44
  • · Replies 5 ·
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5

Measuring Voltage with Step-Down Adapters: Questions & Answers

  • whiterabbot1
  • · Replies 3 ·
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3

Building a LED flasher timer circuit from basic components

  • BrackenFernso
  • · Replies 4 ·
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4

Electric field between bands in semiconductors

  • green-fresh
  • · Replies 2 ·
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2

How Effective Is an LM317 in Sequentially Charging Multiple Batteries?

  • krispots
  • · Replies 1 ·
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1

Fix Circuit Board: No Expertise Needed

  • 120rob
  • · Replies 4 ·
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4

DIY Insulating Bare Copper Wire | Inductor Building

  • Fronzbot
  • · Replies 1 ·
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1

Powering LM741 Op Amp Without -15V Supply

  • Blenton
  • · Replies 4 ·
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4

Designing a Tone Generator for Telecommunications

  • aliaze1
  • · Replies 1 ·
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1
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22

Why Use Sense Resistors in 4-Wire Kelvin Measurements?

  • Tweedle_Dee
  • · Replies 1 ·
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1

Common emitter amp and BJT base-emitter resistance question

  • linear_shift
  • · Replies 4 ·
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4

Generating 40KHz Signal Bursts with 555 Timers

  • cat1cat
  • · Replies 2 ·
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2

Force that holds capacitor plates

  • akhil123
  • · Replies 4 ·
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4

Energy gain in a resonant system

  • maldata
  • · Replies 5 ·
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5

Grounding(Earthing)Resistance Calc.

  • dsky
  • · Replies 5 ·
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5

What are the variables in the core loss power equation?

  • chopficaro
  • · Replies 2 ·
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2

Understanding Efficiency Calculations

  • Vyrwnas
  • · Replies 1 ·
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1

Duplicating the function of an IR remote

  • DaveC426913
  • · Replies 3 ·
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3

Outputting Voltages to a Computer

  • Cesium
  • · Replies 4 ·
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4

Intro to electronics for a physics student

  • barnflakes
  • · Replies 8 ·
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8

Nodal analysis physical problem

  • green-fresh
  • · Replies 7 ·
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7

How does software create mechanical motion?

  • Red_CCF
  • · Replies 7 ·
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7

Capacitor and their behavior in AC

  • dhruv.tara
  • · Replies 7 ·
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7
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2

Core loss calculation - inductor

  • chopficaro
  • · Replies 1 ·
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1
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11

Magnetic susceptibility measurement

  • geetika
  • · Replies 2 ·
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2

Do Both Magnets Induce Current in the Coils When Moved Towards Them?

  • 72Zorad
  • · Replies 3 ·
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3

Sugestion for a Electrical energy generation project

  • Mano Jow
  • · Replies 9 ·
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9

Shunt Calibration of a Strain Gauge

  • El Moriana
  • · Replies 2 ·
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2

What Is the Best Wireless Communication Method for Long-Distance RC Vehicles?

  • Lancelot59
  • · Replies 8 ·
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8

Why Does CDMA Utilize Entire Bandwidth for Multiple Users?

  • netizen
  • · Replies 3 ·
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3

No Picture on the CRT Television

  • McHeathen
  • · Replies 1 ·
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1

Question on Ohm's law and motors

  • sharnrock
  • · Replies 24 ·
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24

How Do You Inspect and Clean Fiber Optic Cables?

  • borisdoyle
  • · Replies 1 ·
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1

Voltage at a Point: Understanding Ground in Circuits

  • quantum13
  • · Replies 1 ·
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1

Resistor Power Rating: What Does It Mean?

  • quantum13
  • · Replies 1 ·
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1

D.C motor speed controlImportant

  • KAS90
  • · Replies 5 ·
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5

Can I send timed voltage with just capacitors or do I need a microcontroller?

  • absurdparadox
  • · Replies 5 ·
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5

Op Amp Voltage Limits: Protecting Your Circuit from Damage

  • krispots
  • · Replies 13 ·
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13

Why is there a current spike when voltage is first applied to a motor?

  • jrive
  • · Replies 17 ·
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17