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

Precise constant current source for NTC

  • wasabilumen
  • · Replies 15 ·
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15
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2

Damping ratio and Maximum overshoot relation

  • zoom1
  • · Replies 7 ·
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7

So if a microprocessor contains trillions of transistors

  • jaydnul
  • · Replies 2 ·
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2

Confusion with dB equation - 10 or 20?

  • lavster
  • · Replies 9 ·
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9

Separating Acoustic Waves from Background Reflections

  • jcarsw04
  • · Replies 4 ·
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4

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

  • klmnopq
  • · Replies 4 ·
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4

What are these two transistors used for in this circuit?

  • jaffer
  • · Replies 2 ·
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2
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5

Looking for a voltage to current IC

  • yungman
  • · Replies 1 ·
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1

Recommend me h-bridge ic for stepper motor

  • elementHTTP
  • · Replies 4 ·
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4

Distance Measuring Sensor Advice

  • lasith
  • · Replies 4 ·
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4

Generating power from a stroller

  • Ezzie_g
  • · Replies 4 ·
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4

I'm not sure what circuit board to get?

  • guitarphysics
  • · Replies 2 ·
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2

Unit step response of RC high pass filter

  • erece
  • · Replies 2 ·
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2

Mesh analysis in non-planar circuits

  • paragchitnis
  • · Replies 1 ·
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1

What is typical internal resistance of analog voltage meter?

  • red123
  • · Replies 5 ·
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5

Wiring Generator: Connect 3 Phase Wild AC

  • Isimanica
  • · Replies 2 ·
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2

Are unstable system really possible?

  • rudra
  • · Replies 14 ·
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14

LED circuit triggered by switch opening for oven shutoff system

  • fabiobollinge
  • · Replies 5 ·
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5

Batteries in Series: Troubleshooting No Activity

  • scientifico
  • · Replies 6 ·
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6

Line conditioning for PEMFC 1289W fuel cell in hybrid vehicle

  • jkf1192
  • · Replies 4 ·
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4

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

  • zoom1
  • · Replies 1 ·
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1

Common emitter configuration for saturation mode

  • stolenbird91
  • · Replies 1 ·
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1

Buying/building piezoelectric sensors and actuators?

  • gsjbjt
  • · Replies 1 ·
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1

Electromagnet strength independant of number of turns?

  • dorker
  • · Replies 2 ·
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2

Installing LEDs in footwells, will a diode work?

  • bazingax3
  • · Replies 8 ·
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8

Electronics Engineering graduation Project Ideas ?

  • Sayed Ahmed
  • · Replies 4 ·
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4

What is best software used to design electronic circuits?

  • New_Gaber
  • · Replies 7 ·
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7

Comparison between bulk and ac resistances of a diode.

  • Godwin Kessy
  • · Replies 10 ·
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10

Tattoo Machine Coils: The Science Behind the Magic

  • nathaniel.pea
  • · Replies 5 ·
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5

Where can I find regulators and more?

  • guitarphysics
  • · Replies 4 ·
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4
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4

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

  • copperRobot
  • · Replies 11 ·
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11

ROC of z-transform (derivative)

  • jashua
  • · Replies 1 ·
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1

Calculating Nagaoka's Coefficient for Inductors

  • Fischer777
  • · Replies 1 ·
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1

Electrical service for a VFD motor

  • nlaham
  • · Replies 13 ·
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13

Need lectures of good references of AC synchronous and questions

  • klmnopq
  • · Replies 4 ·
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4

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

  • Godwin Kessy
  • · Replies 8 ·
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8

Define what is meant by Load Impedance?

  • GreenAce92
  • · Replies 10 ·
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10

Why Is ZnO Conductivity Non-Linear?

  • eric336
  • · Replies 2 ·
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2

Piezoelectric Buzzer Sensor: How It Works & Uses

  • piezo2012
  • · Replies 1 ·
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1

Skin effect, frequency and heating

  • elcraft
  • · Replies 4 ·
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4

kVA, input power, output power and losses in transformers

  • cartik
  • · Replies 2 ·
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2

How do I delay current in a circuit

  • eddie90
  • · Replies 47 ·
2
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47

Making a battery cigarette lighter

  • CrimpJiggler
  • · Replies 4 ·
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4

Selecting a small motor for an automatic golf ball tee setter

  • tectactoe
  • · Replies 4 ·
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4

Current to voltage covertion circuit design

  • prth0901
  • · Replies 7 ·
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7

Audio Amplifier Design Basics: Problem & Solution

  • erece
  • · Replies 5 ·
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5

Adding DC voltages in Series or Paralell

  • MachX
  • · Replies 5 ·
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5

Aerospace Engineering: What Do EE's Do?

  • Tyrion101
  • · Replies 2 ·
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2

TEM plane waves, decay and attenuation

  • FrankJ777
  • · Replies 4 ·
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4

About vector group concept of transformers

  • klmnopq
  • · Replies 1 ·
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1

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

  • I_am_learning
  • · Replies 5 ·
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5

How do all you electro-experts manage to find time

  • Kholdstare
  • · Replies 7 ·
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7

Resistor and Current Source in Parallel with Short Circuit?

  • BlueSand
  • · Replies 4 ·
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4

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

  • richyw
  • · Replies 4 ·
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4

Help Understanding TMDS - Dom Needs Your Help!

  • Severence
  • · Replies 4 ·
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4

Square wave symmetric around zero volts

  • Splatapus
  • · Replies 4 ·
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4

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

  • Kholdstare
  • · Replies 5 ·
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5

Discover the Best Power Sources for Your Homemade Electromagnet

  • dorker
  • · Replies 4 ·
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4

Simple digital Bandpass Filter confusions

  • graycolor
  • · Replies 6 ·
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6

EM Waveguide Modes: What are they and how are they used

  • bladesong
  • · Replies 2 ·
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2

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

  • PhysicoRaj
  • · Replies 5 ·
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5

Trying to increase the voltage out of a photodiode.

  • gittenlucky
  • · Replies 6 ·
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6

Building a Van de Graaff Generator: Tips and Considerations

  • BhutJolokia
  • · Replies 2 ·
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2

Measure big biulding resistance with Earth tester

  • rohollah200
  • · Replies 1 ·
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1
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8

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

  • czechman45
  • · Replies 1 ·
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1

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

  • ugsquish
  • · Replies 4 ·
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4

Compact Electro-Optic Modulators

  • Ghassan99
  • · Replies 1 ·
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1

Refractive Index of Silicon: Facts & Formula

  • Ghassan99
  • · Replies 1 ·
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1
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2

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

  • sayeen
  • · Replies 5 ·
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5

How to generate less heat in circuits ?

  • elementHTTP
  • · Replies 10 ·
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10

What can I find simple motor controllers in?

  • Flyingwing12
  • · Replies 4 ·
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4

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

  • jonlg_uk
  • · Replies 26 ·
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26

FFT analysis of resistor thermal noise for precision divider

  • jonlg_uk
  • · Replies 4 ·
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4

Capacitance across an audio signal

  • Packocrayons
  • · Replies 11 ·
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11

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

  • amaresh92
  • · Replies 1 ·
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1

Can this 4 bit adder be further simplified?

  • Psinter
  • · Replies 4 ·
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4

Found a small AC motor and am scared to touch it

  • Flyingwing12
  • · Replies 1 ·
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1

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

  • CrimpJiggler
  • · Replies 7 ·
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7
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1

Loudspeaker Directivity Pattern for Beamforming

  • prusaga
  • · Replies 14 ·
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14

Constantly record voltages and subtract voltages

  • shaggym8
  • · Replies 2 ·
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2

What Is Convolution in Mathematics?

  • Nat3
  • · Replies 6 ·
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6

Phase angle between I and V > 90?

  • DeG
  • · Replies 7 ·
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7

How to determine proper motor torque

  • DIYSer
  • · Replies 16 ·
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16

How Can I Control Light Brightness Automatically?

  • pejai
  • · Replies 4 ·
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4

Electrical schematic troubleshooting program?

  • BhutJolokia
  • · Replies 6 ·
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6

DC Motor Generator: Understanding Voltage and Current | FAQs

  • wiiman3893
  • · Replies 2 ·
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2

Best choice of KVL and KCL in a circuit

  • nebbione
  • · Replies 17 ·
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17

Cell phone signal strength in dBm and what it means

  • apmsj
  • · Replies 6 ·
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6

Which is more advantageous: sequential or combinational logic?

  • Avichal
  • · Replies 1 ·
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1

Output voltage of Crystal Oscillators

  • Synovial
  • · Replies 4 ·
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4

When Should You Choose a BJT Over a MOSFET?

  • Blenton
  • · Replies 4 ·
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4
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9

Confusion about combining resistors in series.

  • dragonkore
  • · Replies 4 ·
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4

Calculations for impulse magnetising device

  • Boris_Slo
  • · Replies 1 ·
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1