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

Crystal Emission: Understanding Fundamental and Harmonic Frequencies"

  • likephysics
  • · Replies 7 ·
Replies
7

How Can I Power a 1x1 Foot LED Array with AC Current Efficiently?

  • davisp2012
  • · Replies 3 ·
Replies
3

Sending signal to motor to make it for period of time

  • ponyboy
  • · Replies 6 ·
Replies
6

Getting data from Wii remote signal

  • Malhoosh
  • · Replies 1 ·
Replies
1

Weird Oscillation in wheatstone bridge circuit

  • epcole
  • · Replies 1 ·
Replies
1
Replies
3

Small signal equivalent circuit model for the HJFET?

  • nass2011
  • · Replies 3 ·
Replies
3

How does 120, 240 and 440 circuits work?

  • SPL Tech
  • · Replies 17 ·
Replies
17

Amplifying AC Signal: LM358 Op-Amp Circuit for Full AC Signal Amplification

  • hadroneater
  • · Replies 3 ·
Replies
3

Understanding Frequency Smearing in FFT

  • dmorris619
  • · Replies 3 ·
Replies
3

Understanding HV Shutdown Circuit for HPGe Detector using Thermistor Input

  • hjerald1
  • · Replies 5 ·
Replies
5

EE Advice: Jump-Start Your Engineering Education with Peavey

  • Peavey
  • · Replies 18 ·
Replies
18

Questions related to Current Transformer and Gauge Factor?

  • babytech
  • · Replies 1 ·
Replies
1

Digital Design Career: Advice on Skills & Knowledge Needed

  • ShockPulse
  • · Replies 1 ·
Replies
1

LM324 squarewave oscillator adjust output frequency

  • nheugel
  • · Replies 5 ·
Replies
5

Control Winch Speed: Power Supply & PWM Solutions

  • pdfmech
  • · Replies 1 ·
Replies
1

Why Does a Voltmeter Show Negative Voltage?

  • fisico30
  • · Replies 2 ·
Replies
2

Asynchronous generator running off grid on capacitor bank

  • freebird
  • · Replies 1 ·
Replies
1

P-N Junction: connecting P-side to -ive terminal and N-side to +ive terminal

  • PainterGuy
  • · Replies 1 ·
Replies
1

How to Design an Amplifier for a Rogowski Coil?

  • abadi
  • · Replies 25 ·
Replies
25

Can a Generator Be Hooked to the Power Grid at 180 Degrees Out of Phase?

  • Evil Bunny
  • · Replies 5 ·
Replies
5

Please have a look on these diode circuits

  • PainterGuy
  • · Replies 13 ·
Replies
13

Capacitor Dump Circuit - Negative Switching

  • TxAggie00
  • · Replies 1 ·
Replies
1

What is the difference between electrical and mechnical damping factor?

  • comewithcws
  • · Replies 3 ·
Replies
3

Diode I-V Characteristic At High Frequency

  • u_know_who
  • · Replies 1 ·
Replies
1

Help with RLC Circuit Oscilloscope Probe - Calculating Voltage Spike

  • likephysics
  • · Replies 2 ·
Replies
2

Calculating Distributed Capacitance of a Bifilar Coil?

  • HMS-776
  • · Replies 4 ·
Replies
4

Understanding Voltage: A Question on Voltage

  • machinarium
  • · Replies 4 ·
Replies
4

555 timer Astable not working, only One LED is lit up

  • RobertRobot36
  • · Replies 5 ·
Replies
5

Transmitter receiver unit that can know distance HELP

  • atseng3
  • · Replies 24 ·
Replies
24

Coupling Capacitors: Value & Uses

  • Pagedown
  • · Replies 5 ·
Replies
5

How to Build a Spark Gap Transmitter for Morse Code?

  • dusty8683
  • · Replies 9 ·
Replies
9

DC motor - Enough torque to rotate load?

  • dalou
  • · Replies 3 ·
Replies
3

3 phase Vs 1 Phase Transformer Cost

  • I_am_learning
  • · Replies 2 ·
Replies
2

Equivalent Resistance: Unravel the Mystery

  • martix
  • · Replies 6 ·
Replies
6

HELP Control Systems Engineering: Block Diagram Reduction Problem

  • engineer_babe
  • · Replies 1 ·
Replies
1

Alternating lights from a 9v battery

  • bob987
  • · Replies 7 ·
Replies
7

Physical relays required from SOP with 2 outputs

  • littlej040
  • · Replies 5 ·
Replies
5

+ and - voltages from a battery

  • bob987
  • · Replies 4 ·
Replies
4

Adjusting LM555 timer frequency

  • bob987
  • · Replies 1 ·
Replies
1

How Can I Program 217 RGB LEDs for a Board Game?

  • TOONCES
  • · Replies 3 ·
Replies
3

Solar vs Conventional Inverters: Exploring Protection Devices

  • surajt88
  • · Replies 3 ·
Replies
3

What is this breadboard looking thing called?

  • PainterGuy
  • · Replies 7 ·
Replies
7

Why are non-solid-state electronics often developed before solid-state?

  • rnabioullin
  • · Replies 3 ·
Replies
3

Voltage regulator to maintain constant amps

  • nheugel
  • · Replies 4 ·
Replies
4

Stepper motor just vibrates in CCW

  • toomy
  • · Replies 3 ·
Replies
3

Powering op-amp with 9v battery

  • nheugel
  • · Replies 1 ·
Replies
1

What Are the Functions and Features of an Oscilloscope?

  • PainterGuy
  • · Replies 2 ·
Replies
2

Calculating Gain in Current Mode Filters: Current Gain vs. Voltage Gain

  • Turin231
  • · Replies 1 ·
Replies
1

Near field from cell phone antennas?

  • shoestring
  • · Replies 2 ·
Replies
2

Are power stations wasting energy during Earth Hour?

  • chebyshevF
  • · Replies 5 ·
Replies
5

PCI Express (PCIe) Cable for board to board link

  • bwaustin
  • · Replies 1 ·
Replies
1
Replies
2

Can the 555 IC help me switch between LED's using a DC power source?

  • nheugel
  • · Replies 1 ·
Replies
1

RLC DC Transient over-damped response

  • Jag1972
  • · Replies 2 ·
Replies
2

Using 120V floodlights with batteries

  • snoop
  • · Replies 3 ·
Replies
3

RLC Circuit: Why is 1st Peak Voltage in Giga Volts?

  • XuFyaN
  • · Replies 5 ·
Replies
5

Basic T parameter table for RF design

  • HPRF
  • · Replies 2 ·
Replies
2

Current sensing and standard resistor

  • I forgot ohms
  • · Replies 5 ·
Replies
5

Maximum frequency of electrical pulses through wire?

  • Matt Jacques
  • · Replies 33 ·
2
Replies
33

Introductory Mechatronics Question

  • baillik
  • · Replies 4 ·
Replies
4

Understanding AGC in Communication Receivers

  • erece
  • · Replies 5 ·
Replies
5

Is there a good book/introduction on the theory of sensors?

  • Simfish
  • · Replies 3 ·
Replies
3

Unexplained voltage loss in a simple voltage divider

  • lukeex
  • · Replies 3 ·
Replies
3

Explaining the static electricity

  • Passiday
  • · Replies 7 ·
Replies
7

Can Software Simulate Variable Magnetic Fields in Thin Film Sputtering?

  • Dan Kennedy
  • · Replies 1 ·
Replies
1

Time Lag in Calls: Experiment & Confirmations

  • ashishsinghal
  • · Replies 3 ·
Replies
3

Forward biased diode operation

  • fisico30
  • · Replies 5 ·
Replies
5

Three Phase to Phase Voltage between different circuits

  • PhanthomJay
  • · Replies 12 ·
Replies
12

How can I transmit data from a microcontroller to a PC using a PIC16F690?

  • El Moriana
  • · Replies 1 ·
Replies
1

Maths for EE: Important Topics to Focus On Before University

  • markicof
  • · Replies 2 ·
Replies
2

Semiconductor temperature range

  • likephysics
  • · Replies 7 ·
Replies
7

Calculate Effective Dielectric Constant on FR4 PCB

  • likephysics
  • · Replies 1 ·
Replies
1

What is the function of the diode in the TL431 equivalent diagram?

  • likephysics
  • · Replies 1 ·
Replies
1
Replies
1

Understanding the Role of the Red Wire in Wiring Smoke Detectors

  • fisico30
  • · Replies 3 ·
Replies
3

Power MOSFET as a voltage controlled resistor

  • atlbraves49
  • · Replies 15 ·
Replies
15

How Does the AD208 Iso-Amp Function in High Voltage Applications?

  • Pagedown
  • · Replies 7 ·
Replies
7

Accuracy of Temperature Sensors: Random Error or Intrinsic?

  • Vulgar
  • · Replies 6 ·
Replies
6

How can I properly wire a variac to control the speed of a 240v fan?

  • bicc
  • · Replies 6 ·
Replies
6

Could any one help me how to find IC in pspice software

  • ahmed-nuh
  • · Replies 3 ·
Replies
3

What Are the Potential Uses of a Fractal Coil in Electronics?

  • crockman1
  • · Replies 13 ·
Replies
13

How seriously should I be considering an oscilloscoope?

  • MJay82
  • · Replies 14 ·
Replies
14

Should I Focus on C Programming or Analog Electronics First?

  • SuperMiguel
  • · Replies 1 ·
Replies
1

Relation between mechanical and electrical angle

  • engineer@best
  • · Replies 2 ·
Replies
2

Where Am I Going Wrong with My 8085 Microprocessor Program?

  • erece
  • · Replies 2 ·
Replies
2

TiO2 Band Gap Energy: Direct vs. Indirect

  • Doeroo
  • · Replies 1 ·
Replies
1

Why am I getting Vout = Vsupply in my op amp circuit?

  • ponjavic
  • · Replies 2 ·
Replies
2

Data comparison and noise measurement

  • taupune
  • · Replies 4 ·
Replies
4

Designing an Electric Circuit for Measuring Hysteresis: Step-by-Step Guide

  • welatiger
  • · Replies 1 ·
Replies
1

How big circuits are implemented on small IC

  • sachin sankey
  • · Replies 3 ·
Replies
3

Checking Transmitter Signal Power Without Powering Up

  • mikekyrou
  • · Replies 3 ·
Replies
3

Putting a capacitor across the drain-source

  • imsmooth
  • · Replies 4 ·
Replies
4

Analog and Digital; Continuous and Discrete

  • scoutfai
  • · Replies 9 ·
Replies
9

Automatic Transfer Switch Problem

  • danilorayob
  • · Replies 3 ·
Replies
3

POL converters or DC-DC converters

  • rama1001
  • · Replies 2 ·
Replies
2

Christmas Light/Switchbox Wiring

  • jamekelburg
  • · Replies 9 ·
Replies
9

Can FDM be Used to Multiplex OFDM Signals at Different Frequencies?

  • thavamaran
  • · Replies 5 ·
Replies
5

Motorized Linear Stage for 300C | 50mm Travel | Cheap

  • FuzzehPanda
  • · Replies 3 ·
Replies
3

New Coil Gun Design: Seeking Input on Improved Design

  • reddevil2576
  • · Replies 8 ·
Replies
8