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

Is a 12V Tri-state Buffer Available for Programming PIC Microcontrollers?

  • Antonio Serrano
  • · Replies 4 ·
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4

Why does a radio still work inside a metal box?

  • Paul Uszak
  • · Replies 99 ·
4
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99

Need a relation or equation....

  • Great Warrior
  • · Replies 6 ·
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6

How to hook up a 12-24v system to a battery pack

  • Oli Cambray
  • · Replies 2 ·
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2

Three-phase to single phase for home

  • blacksky
  • · Replies 7 ·
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7

Line current three phase motor in six step commutation

  • Trainee28
  • · Replies 1 ·
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1

Complex forms of electrical laws

  • ahmed markhoos
  • · Replies 12 ·
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12

Do I Need Flyback Diodes for an L293D and 5V DC Motor Circuit?

  • =SJ=
  • · Replies 2 ·
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2

What Is the RMS Current of a 10V Sine Wave Through a 5 Ohm Resistor?

  • Tesladude
  • · Replies 1 ·
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1

Integrated Circuit vs Transistor/Resistor Circuit Explained

  • ncd5883
  • · Replies 1 ·
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1

Not enough serial ports on Arduino Mega -- Options?

  • taylaron
  • · Replies 7 ·
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7

Influence of Motor Winding End Turns On Torque

  • Voltage Drop
  • · Replies 10 ·
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10

Commercial transformers for variable frequency & voltage

  • jimmydmallow
  • · Replies 1 ·
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1

Memristor is really fourth circuit element or not?

  • kocthu
  • · Replies 2 ·
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2

What Happens When a Transformer Core Reaches Saturation?

  • tim9000
  • · Replies 22 ·
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22

Charging a 12v battery permanently wired in a circuit

  • stcl5109
  • · Replies 10 ·
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10

Electromagnetic Induction Project Help

  • Jimmy87
  • · Replies 3 ·
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3

Understanding the RCS of a Sphere: Deciphering Confusing Results

  • Xyius
  • · Replies 1 ·
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1

What Are the Key Disadvantages of D-Type Bistables Beyond Timing Issues?

  • braceman
  • · Replies 11 ·
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11

NEC: Outlet Rating on 20A Breaker? Current Per Outlet?

  • EM_Guy
  • · Replies 3 ·
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3

Question about transformer reflected source

  • kelvin490
  • · Replies 4 ·
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4

Understanding Voltage Regulation in Transformers

  • tim9000
  • · Replies 9 ·
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9

USB and Other Cheaper Oscilloscopes

  • enorbet
  • · Replies 11 ·
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11

Faraday Cage For Lightning Protection

  • anorlunda
  • · Replies 43 ·
2
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43

No Control Over DC Motor Speed After Bearing Change - Help Needed

  • Arifur
  • · Replies 4 ·
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4

Calculating voltage of pm generator

  • watts up?
  • · Replies 10 ·
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10

Modifying a phone charger from 5V down to 3V&4V

  • richjtf
  • · Replies 17 ·
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17

Force Computer ATX Power Supply to turn on Without Motherboard

  • teroenza
  • · Replies 10 ·
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10

Regarding a bimorph's structure

  • PhyIsOhSoHard
  • · Replies 4 ·
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4

Is Cloth-Covered Wire an Effective Insulator for High Voltage Experiments?

  • smokedvanilla
  • · Replies 22 ·
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22

Audio amplified VSM (vibrating sample magnetometer) sample

  • Sakin_EEE
  • · Replies 2 ·
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2

Adaptive PID controller implementation

  • zoom1
  • · Replies 5 ·
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5

Understanding MMF in Transformer

  • kelvin490
  • · Replies 3 ·
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3

What type of power cord can I use to fix a coffee maker?

  • MrEklipze
  • · Replies 10 ·
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10

Can I make a gate that will work with AC voltage?

  • Freddythunder
  • · Replies 6 ·
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6

How to measure and control the torque of a motor?

  • danielmg96
  • · Replies 5 ·
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5

AC Current Source: Build an Op-Amp Circuit for µA RMS

  • SanDiegan
  • · Replies 10 ·
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10

[ANSYS] Simulation of Permanent Magnets

  • Badger33
  • · Replies 1 ·
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1

DC-AC converters, Solar inverters

  • 2sin54
  • · Replies 5 ·
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5

Maximizing Current Output in Piezo Electric Footpaths

  • Hamza Abbasi
  • · Replies 7 ·
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7

RF radiation out of closed steel container

  • litup
  • · Replies 13 ·
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13

More on the Tesla Batteries (for use by Utilities)

  • anorlunda
  • · Replies 1 ·
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1

Single Phase Motor: Questions Answered

  • NT DANG KHOA
  • · Replies 3 ·
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3

Low RPM, High Torque on dry cell batteries

  • D4ns4lmon
  • · Replies 2 ·
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2

Can I control the lighting of thousands of optical fibers?

  • Daoyang
  • · Replies 7 ·
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7

Why Do We Use 230V/50Hz and 110V/60Hz in Mains Electricity?

  • Happiness
  • · Replies 19 ·
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19

Intel Galileo Gen 2 & IOT Workshop: Prerequisites for EE Students

  • cnh1995
  • · Replies 6 ·
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6

Difference between digital and discrete signal

  • pvvijaykumar
  • · Replies 2 ·
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2

How Can DC Distribution Improve Power Efficiency in Server Farms?

  • stedwards
  • · Replies 22 ·
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22

VRG (Vertical Replacement Gate) Mosfet

  • Metallican
  • · Replies 5 ·
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5

What's the difference between fine and coarse measurement?

  • gilnaz
  • · Replies 3 ·
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3

Parallel Plate Capacitor with variable Dielectric (water)

  • roms05
  • · Replies 12 ·
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12

Difference in material between 1250A, 40KA & 1250A, 50KA?

  • moh abdelsalam
  • · Replies 4 ·
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4

Anybody know what this thing is?

  • Don Hostetler
  • · Replies 20 ·
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20

A.C. resistance of non-cylindrical conductors

  • cjs94
  • · Replies 6 ·
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6

What are pyramidal RAM geometry? (on Anechoic chamber)

  • STINGERX
  • · Replies 8 ·
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8

Using 8 Mega Volts DC as electric energy source?

  • Sven Andersson
  • · Replies 16 ·
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16

Finding a 1.5 GHz Line Amplifier for RG59 Coaxial Cable Loss

  • Ravaner
  • · Replies 1 ·
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1

Strong static magnetic field influences on IC

  • tendo
  • · Replies 3 ·
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3

Can the potential inside a metallic cavity electrocute someone?

  • Bhumanyu Arun
  • · Replies 7 ·
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7

How to tell a wire is plugged in?

  • gyrgi
  • · Replies 6 ·
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6

DC Generator Converted to Alternator

  • smruti
  • · Replies 2 ·
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2

Shorting neutral to Earth confusion

  • ElectroPhysics
  • · Replies 33 ·
2
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33

How is the US power grid kept in phase?

  • stedwards
  • · Replies 17 ·
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17

A twist on Maxwell's equations boundary conditions

  • Ahmad Kishki
  • · Replies 1 ·
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1

Solve the Audio Jack Mystery with Nat

  • Natanijel
  • · Replies 4 ·
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4

Input Resistance of Common Gate question....

  • perplexabot
  • · Replies 5 ·
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5

Understanding quadrature sampling

  • xaratustra
  • · Replies 8 ·
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8

Why Did My Simple LDR Circuit Stop Working with AA Batteries?

  • bradzyc
  • · Replies 12 ·
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12

Current capacity of capacitors?

  • Integral
  • · Replies 10 ·
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10

Why do patch antennas have leakage if they have standing waves?

  • legyptien21
  • · Replies 50 ·
2
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50

Need a source for industrial quality water monitor probes

  • thankz
  • · Replies 3 ·
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3

Solar power and power loss over distance

  • jimmylegss
  • · Replies 23 ·
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23

Bright light from white light connected 240ac through 1k

  • pmostafa
  • · Replies 6 ·
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6

Generator output frequency and rpm

  • Salvador
  • · Replies 29 ·
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29

What is the Correct Z-Transform of x(n) = -2^n u(-n-1)?

  • nelectrode
  • · Replies 1 ·
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1

HR neuron model using analog computer technique

  • zulqar
  • · Replies 4 ·
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4

Traction application -- Which type of motor is best?

  • smruti
  • · Replies 4 ·
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4

Transient FEM Simulation of a Solenoid Actuator with MAXWELL

  • renohr
  • · Replies 2 ·
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2

High-temperature semiconductors -- mission to Venus

  • lpetrich
  • · Replies 27 ·
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27

LED Bulb that Stays Lit Despite Power Outtage

  • Drakkith
  • · Replies 13 ·
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13

Zero order hold -- Discrete control systems

  • Razvan
  • · Replies 12 ·
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12

I built a 3 stage PWM solar charger using an arduino

  • Jamesr
  • · Replies 5 ·
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5

Why does lowering the slew rate lower the electrical noise?

  • Destynn
  • · Replies 6 ·
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6

A question regarding transmission line

  • yykcw
  • · Replies 3 ·
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3

Current requires a closed loop to flow in DC, not AC?

  • x86
  • · Replies 6 ·
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6

What Does This Symbol in Relay Logic Diagrams Represent?

  • EverGreen1231
  • · Replies 6 ·
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6

Fe needed to lift up mass of size m

  • btb4198
  • · Replies 3 ·
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3

What is a magnetic field? (fun mental exercise)

  • meBigGuy
  • · Replies 37 ·
2
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37

Can you charge a 12v car battery with capacitor?

  • Shanevan
  • · Replies 27 ·
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27

Power Electronics: Why Semiconductor Devices Operate as Switches

  • smruti
  • · Replies 8 ·
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8

Precision Rectifiers: Get Perfect DC from Sinusoidal Wave

  • smruti
  • · Replies 11 ·
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11

Entropy question for 2 input 1 output system

  • perplexabot
  • · Replies 1 ·
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1

Making the sum of 2 resistors independent of 1 of them

  • brainbaby
  • · Replies 12 ·
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12

How to measure amperes with a constant current welder?

  • WeldingStuff
  • · Replies 12 ·
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12

Example of a variable capacitor input op-amp to voltage....

  • thankz
  • · Replies 5 ·
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5

Vacuum tubes and electronic oscillators

  • Jon.G
  • · Replies 25 ·
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25

Non-Chemical Propulsion Alternatives for Space Launches

  • phion
  • · Replies 12 ·
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12

Multiplexer as a Position Sensor: How?

  • Allan C.
  • · Replies 4 ·
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4

Anyone ever run a webserver off a microcontoller?

  • thankz
  • · Replies 6 ·
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6