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

Eye Safety: Laser Diode Recommendations

  • Hank_Rearden
  • · Replies 4 ·
Replies
4

How Can I Set Up a Wireless Proximity Sensor With Indicator Lights?

  • slimmy123
  • · Replies 5 ·
Replies
5

Help on Constructing a Circuit with 205VDC to 12VDC

  • gabrielsky
  • · Replies 7 ·
Replies
7

Induced current problem in COMSOL

  • peagasus
  • · Replies 1 ·
Replies
1

Are cheap laser pens of good quality?

  • wil3
  • · Replies 7 ·
Replies
7

Printed Circuit Board Connectors SMT and Through Hole

  • kriek
  • · Replies 4 ·
Replies
4

Evaluating Renewable Energy Projects for Senior Design Course

  • Xkaliber
  • · Replies 1 ·
Replies
1

Wi Fi Madness and How Safe Is Safe

  • RFHealth
  • · Replies 19 ·
Replies
19

Understanding the Split Phase: How Does AC Power Work in the US?

  • Dickfore
  • · Replies 14 ·
Replies
14

Question about the neutral wire in an electrical system

  • dannymacpunx
  • · Replies 7 ·
Replies
7

Tone Generator Connected To Speaker

  • SMD1990
  • · Replies 1 ·
Replies
1

How to Measure Circuit Output with SRS830 Lock-in Amplifier Using Labview?

  • meanyack
  • · Replies 3 ·
Replies
3

What are the best books on distributed element models for circuit design?

  • lostinxlation
  • · Replies 4 ·
Replies
4

Powering LEDs: Array of 168 LEDs, 120V AC, 25mA, 2.8V Forward Bias

  • jgordo32
  • · Replies 27 ·
Replies
27

Types of Brain Signals & Writing Words: Uncovering the Mystery

  • gamb1ttt
  • · Replies 1 ·
Replies
1

What Type of AC Adapter Do I Need for My GEM PK5 Keyboard?

  • eagle2020
  • · Replies 1 ·
Replies
1

How Does Current Return to the Source Through the Ground in AC Power Lines?

  • tripper85
  • · Replies 24 ·
Replies
24

What Is the Allowable Signal Swing in a BJT?

  • Peon666
  • · Replies 1 ·
Replies
1

Why do we need a coupling capacitor?

  • Peon666
  • · Replies 7 ·
Replies
7

How Does Oversampling Affect SNR in Analog Signals?

  • sergetsier
  • · Replies 1 ·
Replies
1

PCB Fabrication at Home: Basics & Acids Needed

  • hisham.i
  • · Replies 1 ·
Replies
1

Changing Frequency of AC Power Supply: Circuitry vs Generation

  • Hank_Rearden
  • · Replies 2 ·
Replies
2

Effect of Humidity on Breakdown Voltage

  • bejoynp
  • · Replies 1 ·
Replies
1

Understanding Series Termination in High Speed Digital Circuits

  • likephysics
  • · Replies 9 ·
Replies
9

Will Separating Capacitor Plates Cause a Spark?

  • error404
  • · Replies 2 ·
Replies
2

How to Amplify 0.1V across an LED terminals to 3V ?

  • 5416339
  • · Replies 7 ·
Replies
7

Need a two wire ac voltage rectifier

  • baronbob
  • · Replies 8 ·
Replies
8

Question regarding ideal OP-amps

  • Ry122
  • · Replies 3 ·
Replies
3

Earth batteries and different materials

  • Idea04
  • · Replies 1 ·
Replies
1

Spread spectrum clock generator

  • likephysics
  • · Replies 1 ·
Replies
1

Powerline Internet: Bypassing High Inductance tranformers using ultrasound

  • RedPhase
  • · Replies 2 ·
Replies
2

Building a Simple 9V Boost Converter for a Spark Plug

  • ben123324
  • · Replies 5 ·
Replies
5

How Can BCD Switches Be Used as a Clock Source on a PCB?

  • mahdert
  • · Replies 2 ·
Replies
2

Resistor to trick 12v transformer

  • Joel2010
  • · Replies 32 ·
2
Replies
32

Probing high speed digital circuits

  • likephysics
  • · Replies 3 ·
Replies
3

Maintaining the RPM at varying Loads

  • lakmalp
  • · Replies 5 ·
Replies
5

Can Cold Cathode Tubes Enhance a Music Reactive Light System?

  • DoomDuck
  • · Replies 2 ·
Replies
2

Can I Use a Different Charger for Xbox?

  • krak
  • · Replies 3 ·
Replies
3

Can DS92LV010A Transceiver Be Used with Open Drain I2C Devices?

  • Ja4Coltrane
  • · Replies 2 ·
Replies
2

Synchronous Generator Power factor

  • bhavi
  • · Replies 3 ·
Replies
3

Electronic packaging cost / price

  • slibon
  • · Replies 2 ·
Replies
2

Creating a 555 Timer Circuit for Motor Control

  • Blenton
  • · Replies 19 ·
Replies
19

Reverse Bias: Diode, Resistor, Voltage & Current

  • XuFyaN
  • · Replies 4 ·
Replies
4

What are the functional differences between MOSFETs and JFETs?

  • therash09
  • · Replies 2 ·
Replies
2
Replies
2

Is a matched filter the key to optimal radar performance?

  • gkraju
  • · Replies 1 ·
Replies
1

How does a ammeter and voltmeter works?advanced thanks.

  • amaresh92
  • · Replies 12 ·
Replies
12

Total load using step-up transformer

  • TKarlsson
  • · Replies 6 ·
Replies
6

Get Help with Infrared Detection Circuit Design

  • Wetmelon
  • · Replies 8 ·
Replies
8

How to calculate usage of a refrigerator?

  • timlee
  • · Replies 9 ·
Replies
9

Attenuator for 170 GHz frequency

  • manthan
  • · Replies 5 ·
Replies
5

Building a Precision CNC Router

  • GiTS
  • · Replies 3 ·
Replies
3

Renewable hydrogen electrolysis system, advice needed

  • hypervalve
  • · Replies 2 ·
Replies
2
Replies
10

Digital circuit with D-flops and need to deal with asynchronous signal

  • lostinxlation
  • · Replies 6 ·
Replies
6

Tankless, instant hot water heaters

  • jjj333
  • · Replies 21 ·
Replies
21

Connecting Fan 2 Wiring to Auto/On/Off Switch

  • layzurguy
  • · Replies 3 ·
Replies
3

Solar wind electricity generation

  • tathagata
  • · Replies 4 ·
Replies
4

Motor Control Circuit: Minimizing Power Draw

  • rako77
  • · Replies 4 ·
Replies
4

What is the purpose of reactive power in motors?

  • neduet
  • · Replies 9 ·
Replies
9

Creating a DC/AC Inverter with Pure Sine Wave Output

  • hisham.i
  • · Replies 1 ·
Replies
1

Help with LED Setup for PC Case Door - SuperbrightLEDs RL5-R1330

  • brendmar
  • · Replies 6 ·
Replies
6

Capacitor Charging Circuit Question

  • kjjohn
  • · Replies 1 ·
Replies
1

What happens when lightning strikes the earth?

  • write2diba
  • · Replies 1 ·
Replies
1

Drastically decreasing capacitor ESR

  • jmaniglia
  • · Replies 13 ·
Replies
13

Find Capasitor for Kawaqsaki 5.0 OPS FA210D Generator

  • russhart70
  • · Replies 1 ·
Replies
1

Need advice on relay for disabled child's puff switch

  • froggymorning
  • · Replies 4 ·
Replies
4

Design Powerful Electromagnet: Maximize Magnetic Field w/Constant Power

  • I_am_learning
  • · Replies 16 ·
Replies
16

100% homemade railgun - capacitor question first

  • diabloizzle
  • · Replies 12 ·
Replies
12

Substation Capacitor Bank Problem

  • Brad B
  • · Replies 3 ·
Replies
3
Replies
7

Reverse Polarity Circuit for Dispersing Copper in Water: How It's Done

  • daveroderick
  • · Replies 4 ·
Replies
4

Coupling AC and DC magnetic fields

  • spitzbubchen
  • · Replies 1 ·
Replies
1

Calculating Attraction Force Between 2 Charged Plates

  • error404
  • · Replies 15 ·
Replies
15
Replies
1

Calculating Generator Shaft Torque

  • donbcg
  • · Replies 3 ·
Replies
3

Between d.c generators and a.c generators

  • neduet
  • · Replies 3 ·
Replies
3

How do I properly wire a patch panel for guitar effect pedals and recorders?

  • ShaneXavier
  • · Replies 4 ·
Replies
4

Generating Clean 50% Duty Cycle Square Waves

  • sciguy14
  • · Replies 9 ·
Replies
9

Frequency components in a singnal.

  • Peon666
  • · Replies 9 ·
Replies
9

555 timer circuit; frequency variation

  • zahly
  • · Replies 4 ·
Replies
4

Uncovering the Magic of Karnaugh Maps: A Closer Look at How They Work

  • DnD Addict
  • · Replies 2 ·
Replies
2

Complex representation of a signal, quadrature signals in receivers

  • luislandry
  • · Replies 1 ·
Replies
1

IR Temperature Detection with sensitivty of 1 degree - possible?

  • MIMSAR
  • · Replies 4 ·
Replies
4

How can I build my own EEG machine?

  • cnidocyte
  • · Replies 8 ·
Replies
8

Understanding Transformer Capacity: 250 kva, 440 input, 220 output

  • neduet
  • · Replies 4 ·
Replies
4

Electrical conductivity metals chart

  • yoamocuy
  • · Replies 2 ·
Replies
2

Laser Modulation: Why Do We Need Bias and Modulation Currents?

  • fuyejun
  • · Replies 3 ·
Replies
3

High impedance circulating current scheme(calculate stabilising resistor)

  • StealthRay
  • · Replies 6 ·
Replies
6

PAM schematic or wiring diagram for Digital Communications

  • makovx
  • · Replies 5 ·
Replies
5

Building a Simple AM Transmitter - Determine Voltage and Range

  • blimkie.k
  • · Replies 14 ·
Replies
14

SiC diode: History, Characteristics & Temperature Effects

  • rottenmango
  • · Replies 4 ·
Replies
4

Embedded Systems: Electrical Engineering Basics & User Interface

  • dsambo
  • · Replies 4 ·
Replies
4

Finding the Right Wire for a Resistance Heater in Satellite Dish

  • TheIntern
  • · Replies 1 ·
Replies
1

Building High Voltage Supplies for Amateurs: Safety and Considerations

  • wrath90210
  • · Replies 4 ·
Replies
4
Replies
3

Electrical Induction between parallel conductors

  • drdimmer
  • · Replies 8 ·
Replies
8

Decent electrical circuit simulations

  • Aina
  • · Replies 1 ·
Replies
1

Charging 10 1F Capacitors: Output Voltage and Capacitance?

  • Idea04
  • · Replies 1 ·
Replies
1
Replies
86