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

Transformer output current question

  • johny radio
  • · Replies 2 ·
Replies
2

Efficient 30V 200A Pulse Circuit for Magnetizing Alnico 5 Magnets

  • trini
  • · Replies 25 ·
Replies
25

3 phase high current ripple suppression

  • chemnut220
  • · Replies 5 ·
Replies
5

Implementing microcontrollers (AT89C51-24PC)

  • Packocrayons
  • · Replies 18 ·
Replies
18

How do I find the the total Resistance?

  • MePhysica
  • · Replies 9 ·
Replies
9

Using Cramer's rule to solve circuit equations with current loops

  • MMhawk607
  • · Replies 4 ·
Replies
4
Replies
4

Why doesn't the final value theorem require multiplying H(s) by s?

  • zoom1
  • · Replies 1 ·
Replies
1

Purpose of 220Ω Resistor in Digital Input Circuit - Dan

  • fonz
  • · Replies 4 ·
Replies
4

Simulation aborted because there are errors during netlisting

  • jean28
  • · Replies 18 ·
Replies
18

Precise constant current source for NTC

  • wasabilumen
  • · Replies 15 ·
Replies
15
Replies
2

Damping ratio and Maximum overshoot relation

  • zoom1
  • · Replies 7 ·
Replies
7

So if a microprocessor contains trillions of transistors

  • jaydnul
  • · Replies 2 ·
Replies
2

Confusion with dB equation - 10 or 20?

  • lavster
  • · Replies 9 ·
Replies
9
Replies
4

Why we haven't any connection other than Delta or star in 3phase

  • klmnopq
  • · Replies 4 ·
Replies
4

What are these two transistors used for in this circuit?

  • jaffer
  • · Replies 2 ·
Replies
2
Replies
5

Looking for a voltage to current IC

  • yungman
  • · Replies 1 ·
Replies
1

Recommend me h-bridge ic for stepper motor

  • elementHTTP
  • · Replies 4 ·
Replies
4

Distance Measuring Sensor Advice

  • lasith
  • · Replies 4 ·
Replies
4

Generating power from a stroller

  • Ezzie_g
  • · Replies 4 ·
Replies
4

I'm not sure what circuit board to get?

  • guitarphysics
  • · Replies 2 ·
Replies
2

Unit step response of RC high pass filter

  • erece
  • · Replies 2 ·
Replies
2

Mesh analysis in non-planar circuits

  • paragchitnis
  • · Replies 1 ·
Replies
1

What is typical internal resistance of analog voltage meter?

  • red123
  • · Replies 5 ·
Replies
5

Wiring Generator: Connect 3 Phase Wild AC

  • Isimanica
  • · Replies 2 ·
Replies
2

Are unstable system really possible?

  • rudra
  • · Replies 14 ·
Replies
14

LED circuit triggered by switch opening for oven shutoff system

  • fabiobollinge
  • · Replies 5 ·
Replies
5

Why does a circuit with batteries in series show no activity?

  • scientifico
  • · Replies 6 ·
Replies
6

Line conditioning for PEMFC 1289W fuel cell in hybrid vehicle

  • jkf1192
  • · Replies 4 ·
Replies
4

How Do You Determine the DC Gain of a Second Order Transfer Function?

  • zoom1
  • · Replies 1 ·
Replies
1

Common emitter configuration for saturation mode

  • stolenbird91
  • · Replies 1 ·
Replies
1

Buying/building piezoelectric sensors and actuators?

  • gsjbjt
  • · Replies 1 ·
Replies
1

Electromagnet strength independant of number of turns?

  • dorker
  • · Replies 2 ·
Replies
2

Installing LEDs in footwells, will a diode work?

  • bazingax3
  • · Replies 8 ·
Replies
8

Electronics Engineering graduation Project Ideas ?

  • Sayed Ahmed
  • · Replies 4 ·
Replies
4

What is best software used to design electronic circuits?

  • New_Gaber
  • · Replies 7 ·
Replies
7

Comparison between bulk and ac resistances of a diode.

  • Godwin Kessy
  • · Replies 10 ·
Replies
10

How coil size affects tattoo machine speed and power

  • nathaniel.pea
  • · Replies 5 ·
Replies
5

Where can I find regulators and more?

  • guitarphysics
  • · Replies 4 ·
Replies
4
Replies
4

How strong can an air-core electromagnet be for fast pulsing?

  • copperRobot
  • · Replies 11 ·
Replies
11

ROC of z-transform (derivative)

  • jashua
  • · Replies 1 ·
Replies
1

Calculating Nagaoka's Coefficient for Inductors

  • Fischer777
  • · Replies 1 ·
Replies
1

Electrical service for a VFD motor

  • nlaham
  • · Replies 13 ·
Replies
13

Need lectures of good references of AC synchronous and questions

  • klmnopq
  • · Replies 4 ·
Replies
4

Is using a darlington transistor pair the solution for my noisy relay switch?

  • Godwin Kessy
  • · Replies 8 ·
Replies
8

Define what is meant by Load Impedance?

  • GreenAce92
  • · Replies 10 ·
Replies
10

Why Is ZnO Conductivity Non-Linear?

  • eric336
  • · Replies 2 ·
Replies
2

Can piezoelectric buzzers detect water in steam pipes?

  • piezo2012
  • · Replies 1 ·
Replies
1

Skin effect, frequency and heating

  • elcraft
  • · Replies 4 ·
Replies
4

kVA, input power, output power and losses in transformers

  • cartik
  • · Replies 2 ·
Replies
2

How do I delay current in a circuit

  • eddie90
  • · Replies 47 ·
2
Replies
47

Making a battery cigarette lighter

  • CrimpJiggler
  • · Replies 4 ·
Replies
4

Selecting a small motor for an automatic golf ball tee setter

  • tectactoe
  • · Replies 4 ·
Replies
4

Current to voltage covertion circuit design

  • prth0901
  • · Replies 7 ·
Replies
7

Why does the output emitter follower lack biasing resistors?

  • erece
  • · Replies 5 ·
Replies
5

Adding DC voltages in Series or Paralell

  • MachX
  • · Replies 5 ·
Replies
5

Aerospace Engineering: What Do EE's Do?

  • Tyrion101
  • · Replies 2 ·
Replies
2

TEM plane waves, decay and attenuation

  • FrankJ777
  • · Replies 4 ·
Replies
4

About vector group concept of transformers

  • klmnopq
  • · Replies 1 ·
Replies
1

What is the Best Book for Learning About Single Phase Induction Motor Design?

  • I_am_learning
  • · Replies 5 ·
Replies
5

Finding time for electronics forums while working in industry

  • Kholdstare
  • · Replies 7 ·
Replies
7

Resistor and Current Source in Parallel with Short Circuit?

  • BlueSand
  • · Replies 4 ·
Replies
4

How Do I Interpret the Resistance Range on My Digital Multimeter?

  • richyw
  • · Replies 4 ·
Replies
4

Help Understanding TMDS - Dom Needs Your Help!

  • Severence
  • · Replies 4 ·
Replies
4

Square wave symmetric around zero volts

  • Splatapus
  • · Replies 4 ·
Replies
4

Stars or Transistors: Which Outnumbers the Other in Our Universe?

  • Kholdstare
  • · Replies 5 ·
Replies
5

Power sources for a homemade electromagnet

  • dorker
  • · Replies 4 ·
Replies
4

Simple digital Bandpass Filter confusions

  • graycolor
  • · Replies 6 ·
Replies
6

Electromagnetic waveguide modes and cutoff frequencies

  • bladesong
  • · Replies 2 ·
Replies
2

R.F. Oscill'motor': Can You Make a Powerful Oscillator?

  • PhysicoRaj
  • · Replies 5 ·
Replies
5

Trying to increase the voltage out of a photodiode.

  • gittenlucky
  • · Replies 6 ·
Replies
6

Can I use a 24 to 30 inch collector on a Van de Graaff generator with 15kV?

  • BhutJolokia
  • · Replies 2 ·
Replies
2

Measure big biulding resistance with Earth tester

  • rohollah200
  • · Replies 1 ·
Replies
1

Why does gaussian noise in communication channels have zero mean?

  • dexterdev
  • · Replies 8 ·
Replies
8

How to find full width at half max for non-Gaussian peaks.

  • czechman45
  • · Replies 1 ·
Replies
1

What Materials and Calculations Are Best for Building a Micro Motor?

  • ugsquish
  • · Replies 4 ·
Replies
4

Compact Electro-Optic Modulators

  • Ghassan99
  • · Replies 1 ·
Replies
1

What is the refractive index of silicon?

  • Ghassan99
  • · Replies 1 ·
Replies
1
Replies
2

How do I calculate the heat sink value for this MOSFET design?

  • sayeen
  • · Replies 5 ·
Replies
5

How to generate less heat in circuits ?

  • elementHTTP
  • · Replies 10 ·
Replies
10

What can I find simple motor controllers in?

  • Flyingwing12
  • · Replies 4 ·
Replies
4

Is my method of finding maximum peak-to-peak noise voltage valid?

  • jonlg_uk
  • · Replies 26 ·
Replies
26

FFT analysis of resistor thermal noise for precision divider

  • jonlg_uk
  • · Replies 4 ·
Replies
4

Capacitance across an audio signal

  • Packocrayons
  • · Replies 11 ·
Replies
11

What is the voltage and current requirement for an Arduino Uno?

  • amaresh92
  • · Replies 1 ·
Replies
1

Can this 4 bit adder be further simplified?

  • Psinter
  • · Replies 4 ·
Replies
4

Found a small AC motor and am scared to touch it

  • Flyingwing12
  • · Replies 1 ·
Replies
1

How does an improvised immersion heater made from confiscated items work?

  • CrimpJiggler
  • · Replies 7 ·
Replies
7
Replies
1

Loudspeaker Directivity Pattern for Beamforming

  • prusaga
  • · Replies 14 ·
Replies
14

Constantly record voltages and subtract voltages

  • shaggym8
  • · Replies 2 ·
Replies
2

What Is Convolution in Mathematics?

  • Nat3
  • · Replies 6 ·
Replies
6

Phase angle between I and V > 90?

  • DeG
  • · Replies 7 ·
Replies
7

How to determine proper motor torque

  • DIYSer
  • · Replies 16 ·
Replies
16

How Can I Control Light Brightness Automatically?

  • pejai
  • · Replies 4 ·
Replies
4