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

Premium electromagnet core material

  • capthook
  • · Replies 3 ·
Replies
3

Brushless DC Motors suitable for Underwater?

  • Kunniez
  • · Replies 2 ·
Replies
2

Ground in RF System: Separating Analog and Digital

  • fidel
  • · Replies 1 ·
Replies
1

What Size Rheostat for 110 VAC 400 W Drymount Press?

  • dbirley
  • · Replies 4 ·
Replies
4

What are the best settings for charging a 24v 12ah Lead Acid Battery?

  • drecklia
  • · Replies 1 ·
Replies
1

Why Telcom Equipments are fed with -48V

  • Telco
  • · Replies 3 ·
Replies
3

Wave length and transmission line

  • likephysics
  • · Replies 5 ·
Replies
5

Control theory: Laplace versus state space representation

  • Mårten
  • · Replies 22 ·
Replies
22

Understanding the Principle of a Steel Bar Sensor: Explained by Experts

  • pixel01
  • · Replies 4 ·
Replies
4

Magnetic Induction In terms of Creating Charge

  • marias3
  • · Replies 3 ·
Replies
3

Dual polarity power supply circuit question

  • rolerbe
  • · Replies 10 ·
Replies
10

Any Recommendations for Circuit Simulation Tools in Linux?

  • maverick280857
  • · Replies 2 ·
Replies
2

ETH Zurich Researchers Break 1 Million RPM Motor Barrier

  • wolram
  • · Replies 3 ·
Replies
3

Building a Tank Circuit: Ground Connection Needed

  • Idea04
  • · Replies 10 ·
Replies
10
Replies
7

Frequency Response of NI Elvis Board: Calculating Amplitude Error

  • Ald
  • · Replies 2 ·
Replies
2

Harnessing Energy from Stopping Vehicles

  • Fuzigish
  • · Replies 3 ·
Replies
3

How Does the Timing of CLK Influence J-K Flip Flop Waveforms?

  • bec13
  • · Replies 1 ·
Replies
1

Current waveforms in transformers and rectifiers

  • boredaxel
  • · Replies 1 ·
Replies
1

Why does the resistance of an inductor vary with frequency?

  • ragavcit
  • · Replies 3 ·
Replies
3

What Does CCW Mean for a DC Blushless Motor?

  • anita1984
  • · Replies 2 ·
Replies
2

A few questions about Butterworth Filter

  • jesterahs
  • · Replies 1 ·
Replies
1

Designing a Digital Timer to Automate Geyser Control

  • Fuzigish
  • · Replies 4 ·
Replies
4

Electric field polarization in different stations

  • Gizew
  • · Replies 1 ·
Replies
1

Which body absorbs frequencies of all kinds?

  • dhvinay
  • · Replies 4 ·
Replies
4

High Voltage & Low Current Sources: Explained

  • kiamzattu
  • · Replies 5 ·
Replies
5

Connect PSpice w/ Comsol: Experiences & Examples Needed

  • sparky977
  • · Replies 3 ·
Replies
3

Calculating Watts to Air Temperature Rise in a Given Area

  • burnit
  • · Replies 11 ·
Replies
11

What Hardware Components Are Needed for a Dual Slope ADC Project?

  • mnhtapu
  • · Replies 1 ·
Replies
1

UPS Load Problem: Solutions & Recovery

  • sha_virgo
  • · Replies 5 ·
Replies
5

Instant change of current in an inductor

  • iceman_ch
  • · Replies 4 ·
Replies
4

How do I safely build a variable DC power supply for my electronics projects?

  • ckaiser813
  • · Replies 4 ·
Replies
4

Need a countdown timer that I can breadboard

  • Warrant
  • · Replies 10 ·
Replies
10

What is CV rating and its significance in capacitor specifications?

  • TheAnalogKid83
  • · Replies 10 ·
Replies
10

Effect of temperature on voltage

  • vw_g60t
  • · Replies 3 ·
Replies
3

Why do semiconductors with wider band-gaps have higher output voltage?

  • vw_g60t
  • · Replies 4 ·
Replies
4

Transformer short circuit fault calculation clarification

  • lavalin
  • · Replies 3 ·
Replies
3

I-V Characteristics of Photovoltaic cells

  • vw_g60t
  • · Replies 4 ·
Replies
4

Question abt making a spefic circuit

  • darkness_limits
  • · Replies 3 ·
Replies
3

Li-Ion Constant Current Constant voltage charger

  • BillyBobjoe
  • · Replies 2 ·
Replies
2
Replies
5
Replies
3

Why am I hearing audible noise from my SMPS?

  • victorb
  • · Replies 7 ·
Replies
7

Tant Cap vs E. Cap: Understand Differences & Applications

  • victorb
  • · Replies 3 ·
Replies
3

Where can I find microcontrollers for small quantity orders?

  • Jammin_James
  • · Replies 1 ·
Replies
1

Multi-Phase Circuit Modification Help Needed

  • Bowl
  • · Replies 3 ·
Replies
3

How Can I Transmit Stereo Audio Signals Using a Laser?

  • n00bhaus3r
  • · Replies 23 ·
Replies
23

PWM Duty Cycle: Motor Speed Control Explained

  • cepheid
  • · Replies 7 ·
Replies
7

Guys, I have a question regarding a mathematical equation of a transformer

  • hot_sauce
  • · Replies 5 ·
Replies
5

How Can I Build a Christmas Light Controller That Syncs with Music?

  • famousken
  • · Replies 1 ·
Replies
1

Play with a handyboard from MIT?

  • AstroRoyale
  • · Replies 7 ·
Replies
7

Magnetic Shielding for 3-Axis Test Equipment

  • humanoid
  • · Replies 3 ·
Replies
3

Sizing Generator for 10hp Petter Diesel Engine | KVA Alternator

  • burnit
  • · Replies 8 ·
Replies
8

Need Help with Coil Simulation Using COMSOL? Let's Discuss!

  • labd0001
  • · Replies 3 ·
Replies
3

Control Board Power: Efficient Voltage Pull Off Large DC Bus

  • yikes
  • · Replies 5 ·
Replies
5

24V to 5V Power Supply Solution for AVR & Other Stuff

  • roeb
  • · Replies 4 ·
Replies
4

Driving Power MOSFETs with a 5V Trigger

  • GlenS
  • · Replies 5 ·
Replies
5

What Is an Impedance Matching Transformer?

  • burnit
  • · Replies 11 ·
Replies
11

Synchronous Motors: Can Rotor Spin with 3-Phase AC Supply?

  • mrk2k5
  • · Replies 3 ·
Replies
3

What is the Science Behind Wireless Power Demonstrations?

  • swanee22
  • · Replies 2 ·
Replies
2

AVR fault possible? Can you help?

  • edina1
  • · Replies 1 ·
Replies
1

Photonic crystal operation faster than electronics?

  • Gerenuk
  • · Replies 1 ·
Replies
1

Capacitor & AC: Questions Answered

  • ragavcit
  • · Replies 2 ·
Replies
2

Help! My Flashing LED Circuit Isn't Working

  • Atriusbread
  • · Replies 9 ·
Replies
9

How Can I Calculate Power Requirements from a Sensor Datasheet?

  • lucy_b14
  • · Replies 5 ·
Replies
5
Replies
2

Voltage and Current in a Resistor Network

  • muh_j18
  • · Replies 1 ·
Replies
1
Replies
4
Replies
3

Analysis of Circuits for EET Majors: Algebra or Calculus?

  • Jammin_James
  • · Replies 8 ·
Replies
8

Satellite TV & Radio dish & antenna question

  • SkinnyDude
  • · Replies 19 ·
Replies
19

Stuffing a PCB: The Complete Guide

  • cepheid
  • · Replies 5 ·
Replies
5

Independent Research Project Need Help

  • nothingclever
  • · Replies 1 ·
Replies
1

Speaker Impedance: Effects on Sound Quality & Power

  • muh_j18
  • · Replies 4 ·
Replies
4

Need help designing a circuit for my car

  • Toolmaster
  • · Replies 7 ·
Replies
7

2 150kva generators feeding a 1200 amp service

  • Sparky1550
  • · Replies 1 ·
Replies
1

Connect Telephone Line to CM8870 DTMF Decoder

  • php
  • · Replies 1 ·
Replies
1

How to Build a Circuit to Detect a Black Line?

  • rusty009
  • · Replies 2 ·
Replies
2

Parallel circuit with resonant branch

  • SimpleJack
  • · Replies 8 ·
Replies
8

Understanding the V(in)=V(max).sin(wt) Formula for DC Smoothing Circuits

  • Sparkyian
  • · Replies 2 ·
Replies
2
Replies
3

Voltage in coil due to moving in EM field

  • amrory
  • · Replies 1 ·
Replies
1

Calculating RoE for AC Equivalent Transistor Amplifiers

  • Jammin_James
  • · Replies 4 ·
Replies
4
Replies
11

Constraining the path of an infrared LED

  • dingpud
  • · Replies 13 ·
Replies
13

Where can I find a 100V DC power supply with 15A output?

  • eschafer
  • · Replies 5 ·
Replies
5
Replies
1

Question regarding the bias voltage applied to a tape recording head

  • bitrex
  • · Replies 4 ·
Replies
4

Electron Devices: Diode Analysis & Low Level Injection

  • onqun
  • · Replies 1 ·
Replies
1

Re-arranging a formula to find Vm

  • Sparkyian
  • · Replies 1 ·
Replies
1

Why Multiply by sqrt(3) in Voltage Drop Formula?

  • lavalin
  • · Replies 3 ·
Replies
3

Inrush current filament Electrical

  • techstu
  • · Replies 24 ·
Replies
24

Build an Electromagnetic Pulse Generator

  • jacksonpeeble
  • · Replies 11 ·
Replies
11
Replies
2

How to find G/T of antenna if everything else is provided - Link budget

  • spacedude25
  • · Replies 5 ·
Replies
5

Laptop Not Charging? 19V 3.42A Charger Issue

  • selseg
  • · Replies 1 ·
Replies
1

PMA and High RPM from a turbine

  • sounder
  • · Replies 2 ·
Replies
2

Energy Requirements: Comparing Induction Heating vs. Electric Stove

  • burnit
  • · Replies 4 ·
Replies
4

Why Does Electricity Need to Return to the Positive Terminal?

  • cam875
  • · Replies 4 ·
Replies
4

Almost done my creation - help w 12VDC circuit

  • DaveC426913
  • · Replies 20 ·
Replies
20