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

Understand the Current Consumption of an IC in its Datasheet

  • mheruian
  • · Replies 5 ·
Replies
5

Understanding Dual Output Zener PSU

  • Mzzed
  • · Replies 7 ·
Replies
7

Mutual Inductance of Coaxial Tube and Coil

  • Ian Schwartz
  • · Replies 1 ·
Replies
1
Replies
8

How Has Television Technology Evolved Over the Years?

  • dlgoff
  • · Replies 21 ·
Replies
21

Transformer equations in the Hughes book

  • billyray
  • · Replies 2 ·
Replies
2

How to wire two female USB connectors togather

  • John1397
  • · Replies 8 ·
Replies
8

How and Why Peltier Tiles work?

  • ZiHao
  • · Replies 1 ·
Replies
1

Gustav Kirchhoff's contributions beyond circuit laws

  • Windadct
  • · Replies 2 ·
Replies
2

Refractive Index of Coaxial Cable

  • Benjamin Irwin
  • · Replies 3 ·
Replies
3

LC circuits in series with Diodes

  • Samson4
  • · Replies 30 ·
2
Replies
30

Find Iron Core Plates for Transformer Prototypes - Top Sources Listed Here!

  • marmstrong941
  • · Replies 4 ·
Replies
4

Circuit comparison in everycircuit

  • TeaLeaf
  • · Replies 2 ·
Replies
2

What to do with all this scrap?

  • Stephenk53
  • · Replies 5 ·
Replies
5

Resistance of a tungsten filament bulb at 20 C

  • ephphatha16
  • · Replies 25 ·
Replies
25

Find a Small, Low RPM Generator for Your DIY Turbine - 100-300RPM!

  • van4
  • · Replies 26 ·
Replies
26

How can I get 12V 1A charging voltage from USB?

  • karabiner98k
  • · Replies 40 ·
2
Replies
40
Replies
7

Partial discharge material limiting values

  • Casper Hansen
  • · Replies 6 ·
Replies
6

Series diode and a low power device

  • TheComet
  • · Replies 10 ·
Replies
10

Why does synchro signal voltage drop to 30V at System A terminal block?

  • grasscut
  • · Replies 2 ·
Replies
2

Lagging or leading synchronous generator

  • tim9000
  • · Replies 2 ·
Replies
2

Increasing The Capacitance In A Voltage Booster

  • Yrton
  • · Replies 3 ·
Replies
3

Why is the AC phase hotter than neutral when unplugged?

  • girts
  • · Replies 17 ·
Replies
17

Difference between a circuit breaker and a load break switch?

  • Manoj Sahu
  • · Replies 11 ·
Replies
11

Child Safe - RTS motor - roller shutter - shelf shutter

  • GANESH SHETTI
  • · Replies 5 ·
Replies
5

Calculating resistor values for multiple voltage drops in series

  • Alex Hughes
  • · Replies 3 ·
Replies
3

Why does current flow through D2 and D3 in a bridge rectifier, not D2 and D4?

  • Alex Hughes
  • · Replies 6 ·
Replies
6

IGBT versus MOSFET for welding power supplies

  • Joshua_S
  • · Replies 2 ·
Replies
2

Where Can I Find a Step-Up Adapter for 12V to 400V Charging?

  • Yrton
  • · Replies 11 ·
Replies
11

Can Rogowski Coils Be Used Without an Integrator for HOKA Applications?

  • Glenn Emmers
  • · Replies 4 ·
Replies
4

What Software Can Simulate EM Wave Interactions in a Faraday Cage?

  • Paul Brooke
  • · Replies 3 ·
Replies
3

Understand AC Transformer Polarity for Three-Phase Connections

  • Leyden
  • · Replies 18 ·
Replies
18

Why rejection filters in IF section if RF tuner already selects the channel

  • brainbaby
  • · Replies 24 ·
Replies
24

Homemade DC motor not working

  • Adem
  • · Replies 10 ·
Replies
10

Switch mode DC transformer equations?

  • Mzzed
  • · Replies 10 ·
Replies
10

How does an Electric Bell use the Motor Effect?

  • SSSingh
  • · Replies 4 ·
Replies
4
Replies
6
Replies
10

Leybold PGA 100 mass spectrometer alignment instructions

  • Michael Koch
  • · Replies 14 ·
Replies
14

Phosphor screen, hazards and demonstrations?

  • mishima
  • · Replies 5 ·
Replies
5

Two like capacitors in parallel

  • zengodspeed
  • · Replies 13 ·
Replies
13

Mosfet conduction vs Drain voltage

  • likephysics
  • · Replies 7 ·
Replies
7

Why is the Anode of an LED Connected to Positive?

  • Alex Hughes
  • · Replies 20 ·
Replies
20

How to measure a BB205 varicap diode

  • michael1978
  • · Replies 6 ·
Replies
6

Need to find an old variable capacitor

  • michael1978
  • · Replies 46 ·
2
Replies
46

Are the terminals of a Battery neutral?

  • Alex Hughes
  • · Replies 27 ·
Replies
27
Replies
12

Why does conducting liquid moving in a loop produce DC

  • Richie Smash
  • · Replies 1 ·
Replies
1

Why does a lemon battery have higher internal resistance than a power supply?

  • Alex Hughes
  • · Replies 13 ·
Replies
13

Stepping up voltage from homemade scrap-metal battery to 12V

  • Astock
  • · Replies 27 ·
Replies
27

Can a 24V 30A Dimmer Switch Handle the Starting Current of a 500W 24V Motor?

  • sam charlton
  • · Replies 7 ·
Replies
7

Magnetic encoder signal processing

  • Jarfi
  • · Replies 2 ·
Replies
2

Potentiostat and powersource in electrochemical cell

  • LucidDreamer
  • · Replies 7 ·
Replies
7

Voltage Output in subtractor photocircuit

  • MxwllsPersuasns
  • · Replies 1 ·
Replies
1

Wiring multiple phone batteries in parallel: is it safe?

  • Stephenk53
  • · Replies 6 ·
Replies
6

Damping effect in piezoelectric energy harvesting systems

  • nabs16
  • · Replies 5 ·
Replies
5

Need tutorial for magneto static simulation of C-core (Imag)

  • Sreedevi
  • · Replies 2 ·
Replies
2

Modified sine wave vs pure sine wave inverter

  • Axe199
  • · Replies 5 ·
Replies
5

Greinacher voltage doubler for 6V AC alternator to 12V DC conversion

  • DonKiwi
  • · Replies 10 ·
Replies
10

How does an opamp work as non-inverting amplifier

  • rishi kesh
  • · Replies 11 ·
Replies
11

Why are the motor brushes not placed in the magnetic neutral axis?

  • janu203
  • · Replies 5 ·
Replies
5

What are the safety precautions for handling a shaded-pole motor?

  • mishima
  • · Replies 6 ·
Replies
6

Enqiry about an electrical motor's power

  • HHJ
  • · Replies 9 ·
Replies
9
Replies
1

Cell Phone Tower Communication: How Does it Work?

  • girts
  • · Replies 1 ·
Replies
1
Replies
1

Current to Voltage and Voltage to Current Converters

  • fog37
  • · Replies 16 ·
Replies
16
Replies
9

Hi, can somebody explain this RLC circuit to me?

  • michael1978
  • · Replies 7 ·
Replies
7

Synchronous Generator Short Circuit - Hazards

  • Ragnar Landet
  • · Replies 7 ·
Replies
7
Replies
6

Which is better -- amp ground connected to frame or battery?

  • UWouldKnow
  • · Replies 28 ·
Replies
28

Questions about Using My Multimeter

  • Alex Hughes
  • · Replies 19 ·
Replies
19
Replies
24
Replies
8

Measuring 800V AC signal with 16-bit DAQ card within 1% accuracy

  • Jonathan Mc
  • · Replies 7 ·
Replies
7

Load resistance and current “draw”

  • tranceical
  • · Replies 8 ·
Replies
8

Magnetic field put off by high current (causing cross-talk between wires)

  • Tesladude
  • · Replies 2 ·
Replies
2

Understanding AC Polarity and Ground Bonding in Electrical Circuits

  • BRODEJ1
  • · Replies 13 ·
Replies
13

RF amplifier power output: 19 kW calculated vs 2 kW rated at 50 ohms

  • nauman
  • · Replies 10 ·
Replies
10

What Does Ground Mean in Electrical Terms?

  • Alex Hughes
  • · Replies 38 ·
2
Replies
38

Off-Center Fed Dipole vs Standard Center Fed Dipole

  • Jackson Richter
  • · Replies 7 ·
Replies
7

How Batteries Work: An Electrochemical Explanation

  • Alex Hughes
  • · Replies 3 ·
Replies
3

Electromagnet Design for Separating Ferrous Material from an Ore Mixture

  • Matthew Howard
  • · Replies 2 ·
Replies
2

Simulink model of a hybrid vehicle (replace battery with fuel cell)

  • said76
  • · Replies 19 ·
Replies
19

Intermodulation in an Amplifier and Third Order Incercept

  • Natalie Johnson
  • · Replies 3 ·
Replies
3

Why do we need to supply air to the cathode of a hydrogen fuel cell

  • srinaath
  • · Replies 4 ·
Replies
4

Is it possible to make a passive element that doesn't reemit EM

  • Christofer Br
  • · Replies 8 ·
Replies
8

Will a subwavelength conductor patch reflect specularly or diffusely?

  • Christofer Br
  • · Replies 2 ·
Replies
2

Why the insulation rating of a wire depends on voltage?

  • srinaath
  • · Replies 5 ·
Replies
5

Bizarre Behavior in Discrete PMOS

  • Apogee
  • · Replies 7 ·
Replies
7

How to connect audio output to an ADC

  • michael1978
  • · Replies 10 ·
Replies
10

IC Physical Design Software Inquiry

  • Apogee
  • · Replies 11 ·
Replies
11

AC synchronous motor power factor

  • girts
  • · Replies 4 ·
Replies
4

Line impedance versus shunt capacitance

  • Landru
  • · Replies 6 ·
Replies
6

Could someone me identify this component on a PCBA

  • carlos468
  • · Replies 13 ·
Replies
13

Is it safe to use 48v on a 40v motor?

  • jeanpaulsc
  • · Replies 17 ·
Replies
17

Why LED Lights Aren't Used in Camera Flashes/Strobes

  • RNickl
  • · Replies 3 ·
Replies
3

Looking for a quad rail-to-rail op amp similar to TL074 in DIP14 package?

  • Ravaner
  • · Replies 17 ·
Replies
17