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

Graphs of Current through a Transformer

  • lekh2003
  • · Replies 5 ·
Replies
5

Is Spline Interpolation an FIR Filter

  • bhobba
  • · Replies 2 ·
Replies
2

What core materials are suitable for high-speed stepper motors?

  • me_dexter
  • · Replies 1 ·
Replies
1

2-stage voltage multiplier question

  • lbminh2015
  • · Replies 17 ·
Replies
17

Understanding the Winding and Voltages of an AC Generator: A Hyundai Unit

  • Shane Kennedy
  • · Replies 9 ·
Replies
9

Looking for the right MOSFET transistor

  • Charlie Kelly
  • · Replies 6 ·
Replies
6

What is a Superegenerative Detector and How Does it Work?

  • michael1978
  • · Replies 21 ·
Replies
21

Carrier spacing related to period to go in phase

  • Natalie Johnson
  • · Replies 10 ·
Replies
10

Why is the voltage across an inductor negative?

  • Drakkith
  • · Replies 7 ·
Replies
7

Is charging off of a car battery harmful for the car?

  • karabiner98k
  • · Replies 21 ·
Replies
21

Magnetic flux in tap changing transformers

  • Darius Troy
  • · Replies 5 ·
Replies
5

Energy consumed in a digital circuit

  • reddvoid
  • · Replies 9 ·
Replies
9

Why is there a diode between two sources?

  • Junior01
  • · Replies 25 ·
Replies
25

Losing neutral in the utility system

  • Averagesupernova
  • · Replies 107 ·
4
Replies
107

Source free RL Circuit derivation

  • jaus tail
  • · Replies 15 ·
Replies
15

Need to Find the Total Resistance

  • paranormalllama
  • · Replies 2 ·
Replies
2

Help with Preamp Design: Seeking Info from Designer

  • JohnM24018
  • · Replies 21 ·
Replies
21

How to get the fuse rating you need for a DC power supply

  • George317
  • · Replies 3 ·
Replies
3

What generator/DC motor do I need for my wind turbine

  • DustyBIG
  • · Replies 14 ·
Replies
14

Hardware interface and App SW development for Smart Phones

  • berkeman
  • · Replies 5 ·
Replies
5
Replies
2

Using Tektronix Oscilloscope to Measure Phase

  • quantumfoam
  • · Replies 10 ·
Replies
10

Why does electromagnetic induction occur

  • tor2006
  • · Replies 6 ·
Replies
6

Testing a Microcontroller with a Function Generator

  • gregolive
  • · Replies 19 ·
Replies
19

Counting clicks (signals) at a radio frequency receoved by a shortwave radio

  • Rob Rushworth
  • · Replies 9 ·
Replies
9

Bypassing a joule thief until voltage gets low enough

  • Charlie Kelly
  • · Replies 2 ·
Replies
2

What is an opamp that is suitable for designing a sensor?

  • Minh Thanh
  • · Replies 2 ·
Replies
2

Constancy of audio power from battery (hearing aid)

  • epenguin
  • · Replies 9 ·
Replies
9

LC Reactive elements cancel cause huge V drop. High voltage

  • Jonathan Mc
  • · Replies 12 ·
Replies
12

Digital Electronics: Image Frequencies & Nyquist/Shannon Theorems

  • hollowman
  • · Replies 7 ·
Replies
7

Designing a 2-bit full adder using nothing but NAND gates?

  • Crushforce
  • · Replies 15 ·
Replies
15

Electrocution From Earphones In Phone That Was Charging ?

  • Point Conception
  • · Replies 3 ·
Replies
3

MMF/Flux density across air gap for a salient pole

  • EEstudent90
  • · Replies 28 ·
Replies
28

Getting negative current on Zener Voltage Reg Circuit

  • George317
  • · Replies 24 ·
Replies
24

Boosting AC Signal for Solenoid: Techniques for Current Amplification

  • geekusprimus
  • · Replies 3 ·
Replies
3

Would these parts work for a "Tesla Coil" (Slayer Exciter)?

  • SickTechz
  • · Replies 3 ·
Replies
3

Portable Energy Generator for off-Grid Villages

  • moatis1
  • · Replies 24 ·
Replies
24

Retired Railroader Explains Easiest AC Circuit Theory

  • TedA
  • · Replies 19 ·
Replies
19
Replies
11

Can R4 be replaced with a jumper in an ultrasonic generator circuit?

  • javi2018
  • · Replies 9 ·
Replies
9

Basics of radio for a focused transmitter

  • OldWorldBlues
  • · Replies 12 ·
Replies
12

Centering a Laser Beam received from multiple directions

  • Dohmer
  • · Replies 6 ·
Replies
6

Saltwater Generator: Harnessing Electricity from Salt Water

  • stephenkohnle53
  • · Replies 10 ·
Replies
10

PWM and it`s duration (picosecond pulse widths)

  • Sveral
  • · Replies 21 ·
Replies
21

What happens when 12V and GND are both connected to the GND pin?

  • grasscut
  • · Replies 12 ·
Replies
12

Interpretation of the system response to a unit impulse

  • lahanadar
  • · Replies 9 ·
Replies
9

Solving 555 Based Switcher Challenge for Niхie Clock

  • Borek
  • · Replies 44 ·
2
Replies
44

Unclear Transformer Specifications

  • teroenza
  • · Replies 7 ·
Replies
7

Step-Up Current Via Transformer

  • John Raines
  • · Replies 6 ·
Replies
6

Plasma wire -- turning an antenna on and off very quickly

  • arydberg
  • · Replies 3 ·
Replies
3
Replies
16
Replies
9

What is the reason for harmonics in dc-dc converter?

  • student-engineer
  • · Replies 36 ·
2
Replies
36

Ionized Gas Cables: Can You Buy Them?

  • FilipLand
  • · Replies 7 ·
Replies
7

DC motor running in reverse after repair

  • rattlenbang
  • · Replies 7 ·
Replies
7

Designing a Lead-Melting Glove: Possible Materials and Safety Measures

  • stephenkohnle53
  • · Replies 11 ·
Replies
11

Is synchronous reactance constant?

  • cnh1995
  • · Replies 10 ·
Replies
10

Discussing primary resistance of a double-tuned ciruit

  • brainbaby
  • · Replies 29 ·
Replies
29

Why Should (I2-I1) Oppose V1 in an Autotransformer Phasor Diagram?

  • jaus tail
  • · Replies 23 ·
Replies
23
Replies
14

Capacitors in Hybrid-pi Model and Frequency Response

  • MyNameGoesHere
  • · Replies 1 ·
Replies
1

How to calculate the inductance of a stator winding

  • electricalguy
  • · Replies 5 ·
Replies
5

PIC16F877A I2C communication problem

  • thegreengineer
  • · Replies 2 ·
Replies
2

BLDC motor as generator to power eddy current brakes

  • digglesby
  • · Replies 7 ·
Replies
7

Can Transparent Solar Panels Power Skyscrapers in the Future?

  • Noisy Rhysling
  • · Replies 25 ·
Replies
25

Which Arduino shield is best for Internet of Things projects?

  • ISamson
  • · Replies 19 ·
Replies
19

Dirty electricity and EMI filter

  • Cleitus
  • · Replies 11 ·
Replies
11

Staged Blackouts: A Solution to Reduce Power Outage Consequences?

  • anorlunda
  • · Replies 40 ·
2
Replies
40

Can a smartphone transmit/receive 125KHz?

  • YanivW
  • · Replies 3 ·
Replies
3
Replies
11

Replacing Audio Transformers in Radio Receivers

  • michael1978
  • · Replies 25 ·
Replies
25

Difference between Analog and Digital Pins on my Arduino Board

  • ISamson
  • · Replies 12 ·
Replies
12

Synchronous generator reactance (Sub, transient, SS)

  • EEstudent90
  • · Replies 14 ·
Replies
14

Determine a cable core diameter for RF current carrying loop

  • Bhushan
  • · Replies 2 ·
Replies
2

PIC Microcontrollers: problem with LCD module (see below)

  • thegreengineer
  • · Replies 5 ·
Replies
5

Exponential forcing function to an RL circuit -- poles & zeros

  • Joseph M. Zias
  • · Replies 12 ·
Replies
12

Small solar solution for emergency backup power in Puerto Rico

  • michael glaser
  • · Replies 8 ·
Replies
8

Independent and dependent sources examples

  • vagospat
  • · Replies 2 ·
Replies
2

Increasing the number of pole shoes on an alternator rotor

  • ThunderCharger3302
  • · Replies 17 ·
Replies
17

Measuring the Power Output of a Generator

  • Total_Insomnia
  • · Replies 40 ·
2
Replies
40

Question about transfer function and amplitudes

  • Ry122
  • · Replies 1 ·
Replies
1

Open-Source uC Circuit Boards -- Comparisons & Conversation

  • ISamson
  • · Replies 7 ·
Replies
7

Co-located pair of Phased Array Antennas

  • Swamp Thing
  • · Replies 4 ·
Replies
4
Replies
3

Hameg HM203-5 scope retrace fault

  • Guineafowl
  • · Replies 6 ·
Replies
6

Fault analysis and symmetrical components in Power Grids

  • PainterGuy
  • · Replies 3 ·
Replies
3

Beam centering using a photodiode

  • Doc
  • · Replies 18 ·
Replies
18

Super Caps 50F: Charge, Discharge & Heat Info

  • marmstrong941
  • · Replies 5 ·
Replies
5
Replies
23

Safety concerning ERP of transmitter

  • VivaLaFisica
  • · Replies 36 ·
2
Replies
36

Choosing Proper Filters for High-Speed Accelerometer Impact Sensing

  • ConnorM
  • · Replies 9 ·
Replies
9

Understanding the discrete time Fourier transformation

  • Luk
  • · Replies 3 ·
Replies
3

Need help with voltage regulator circuit that uses 7805

  • thegreengineer
  • · Replies 7 ·
Replies
7

Ansys Maxwell simulation taking too long

  • whatphysics
  • · Replies 3 ·
Replies
3

Electromagnet polarity switching....

  • Bo Cash
  • · Replies 58 ·
2
Replies
58

ALU status register carry equation

  • garr6120
  • · Replies 5 ·
Replies
5

Need Spin Wave Generator Circuit Design

  • forex10
  • · Replies 9 ·
Replies
9

Affordable Solar Battery Options: 150-300 kWH Capacity for Your Home

  • Home Improvement
  • · Replies 17 ·
Replies
17

Linear Algebra - Incidence Matrix of an RLC Ckt

  • YoshiMoshi
  • · Replies 7 ·
Replies
7

High-frequency transformers - how are they different?

  • Plat
  • · Replies 5 ·
Replies
5