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

Can we get Higher Frequencies from an Oven Magnetron?

  • tade
  • · Replies 7 ·
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7

Boost converter capacitor charging question

  • TheRedDevil18
  • · Replies 1 ·
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1

What thyristor, triac, diode, transistor for an amateur?

  • trickybilly
  • · Replies 2 ·
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2

CPU Register Components: Buses and 1 Byte

  • nabil__
  • · Replies 5 ·
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5

Powering OSRAM Ostar 12V LEDs from car battery with constant current

  • Mohammed Suhail
  • · Replies 8 ·
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8

Why are magnetic loops used in amateur 8-shape antennae?

  • qnach
  • · Replies 1 ·
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1

Why is EMF (ElectroMotive Force) equal to a voltage?

  • goodphy
  • · Replies 9 ·
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9

Why is the S-shaped antenna design popular?

  • qnach
  • · Replies 8 ·
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8

Calculate the power loss in electrical cable

  • Xeno1221
  • · Replies 4 ·
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4

Where does energy feed into and out of a dielectric antenna?

  • qnach
  • · Replies 29 ·
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29

Couple of interesting electrical things in an old house

  • Averagesupernova
  • · Replies 1 ·
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1
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6

Is there an antenna with this shape?

  • qnach
  • · Replies 11 ·
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11

Why do AM and FM waves have different bandwidths?

  • Faiq
  • · Replies 9 ·
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9

Finding low-resistance DC motor brushes for high-current hobby builds

  • William123
  • · Replies 9 ·
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9

Discharge of a capacitor through a common ground

  • shlver
  • · Replies 4 ·
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4

AC current / circuit simulation software

  • bbrianc
  • · Replies 7 ·
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7

Neutral potential ground difference

  • grasscut
  • · Replies 5 ·
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5

What are different terms of flight controllers?

  • Aashish sarode
  • · Replies 5 ·
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5

Primary magnetizing impedance of non-ideal transformer

  • Vikas Kasireddy
  • · Replies 10 ·
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10

Batteries connected in parallel - Amps won´t add up?

  • trickybilly
  • · Replies 9 ·
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9

Does the positive pole have greater electric potential?

  • Juraj
  • · Replies 8 ·
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8

Circuit with two voltage sources, finding voltage at nodes

  • vizakenjack
  • · Replies 19 ·
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19

EMI(Electro Magnetic Interference) Magnitude and Frequency

  • Nikhil N
  • · Replies 5 ·
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5

Why use diodes, current limits, and resistors with op amps

  • Faiq
  • · Replies 19 ·
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19

Power factor of ideal transformer

  • Mr Genius
  • · Replies 7 ·
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7

Whats wrong with my multimeter?

  • trickybilly
  • · Replies 6 ·
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6

Debouncing rotary encoder circuits

  • shushi_boi
  • · Replies 5 ·
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5
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15

Did i calculate the V/A/R of a plasma arc properly?

  • Thomas Conway
  • · Replies 1 ·
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1

Negative and zero sequence impedance of alternator

  • TheRedDevil18
  • · Replies 5 ·
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5

Is there microscopic version of general Ohm's law of V=IZ?

  • goodphy
  • · Replies 3 ·
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3

A question regarding electronic negative feedback

  • Faiq
  • · Replies 10 ·
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10

Mis-matched pin count error in ltspice

  • Matthew Carson
  • · Replies 9 ·
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9

What's the feedback for an op amp?

  • Alaguraja
  • · Replies 6 ·
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6

Design of CT with ferrite core for reverse operation of CT

  • Nikhil N
  • · Replies 3 ·
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3

Why does RMS power produce the same heat as the equivalent DC power?

  • tjosan
  • · Replies 13 ·
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13

How Do I Add Voltage Noise in LTspice and Analyze Its Response?

  • Matthew Carson
  • · Replies 3 ·
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3

Wiring MOSFETs with DPDT switch for series/parallel battery configuration

  • AaronS
  • · Replies 13 ·
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13

How to find monostatic RCS of flat strip.

  • peripatein
  • · Replies 3 ·
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3

Flux Density, B, of a Cylindrical Magent

  • Bri1
  • · Replies 4 ·
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4

Solar power, battery charging, and inverters

  • Stavale8099
  • · Replies 4 ·
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4

Building an H-bridge for a fighting robot with 60V/70A MOSFETs

  • ha700
  • · Replies 10 ·
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10

In bipolar transistor, what's the real reason for base to become narrow?

  • ThinkerCorny
  • · Replies 8 ·
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8

Astable Multivibrator: Placing Transistor BC107 on Breadboard

  • Alaguraja
  • · Replies 4 ·
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4

Need some help with a transistor switching circuit

  • Planobilly
  • · Replies 2 ·
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2

Magnetic flux and current directions of transformer

  • goodphy
  • · Replies 7 ·
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7

How do tapped coils and capacitors match 75Ω impedance in VHF tuners?

  • brainbaby
  • · Replies 49 ·
2
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49

Reactive power compensation in power system

  • cnh1995
  • · Replies 8 ·
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8

Different voltage measure while probe connected to 50/5A CT

  • Nikhil N
  • · Replies 8 ·
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8
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9

PIC16F876 microcontroller DC motor controller with PC interface

  • zxcvb
  • · Replies 3 ·
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3

Calculating the filter capacitor for a power supply

  • TheRedDevil18
  • · Replies 2 ·
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2
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5

Magnets -- Experiments with sheets and particles

  • DjMadness
  • · Replies 3 ·
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3

Charging a 12V 2.3Ah scooter battery with a 12V 2.0A adapter

  • Student12
  • · Replies 19 ·
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19

Why use feedback to adjust boost converter duty cycle

  • TheRedDevil18
  • · Replies 7 ·
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7

Core loss values error in 250ms electric motor transient analysis

  • student_team
  • · Replies 1 ·
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1

The relationship of wire diameter and electricity produced

  • Troymoore4
  • · Replies 4 ·
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4

Voltage offset differential amplifier

  • Frank-95
  • · Replies 11 ·
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11

Crank Generator: How Much Copper Wound Needed for 3V Output?

  • Rafa_El
  • · Replies 5 ·
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5

Boost converter inductor discharging question

  • TheRedDevil18
  • · Replies 8 ·
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8

Calculate collector current of phototransistor

  • yoamocuy
  • · Replies 1 ·
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1

NTC and comparator to detect temperature trip point

  • Dina1999
  • · Replies 4 ·
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4

Effect of resistance on voltage flow in a wire

  • nallur
  • · Replies 9 ·
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9

Can You Charge a 7.4V 850mAh Lipo Battery with a 10V 4mA Power Source?

  • Macgyverasb
  • · Replies 7 ·
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7

Varying frequency of an LED drive circuit

  • Jordan ray
  • · Replies 4 ·
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4

Alternatives to GFCI: Ideas for Your Project

  • Ron Christian
  • · Replies 2 ·
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2

Are Utility Power Quality Issues Impacting Genset Stability?

  • rodney1981
  • · Replies 18 ·
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18

Which is the correct diagram (synchronous alternator varying PF)

  • jaus tail
  • · Replies 11 ·
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11

Capacitance of two unequal spheres

  • peroAlex
  • · Replies 6 ·
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6

Current transformer for coupling noise into a cable

  • Nikhil N
  • · Replies 42 ·
2
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42

Electrostatic/electromagnetic noise and conductive area

  • Landru
  • · Replies 1 ·
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1

The latest developments in energy storage technology

  • Trainee Engineering
  • · Replies 75 ·
3
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75

Calculating resistor for 4 series LEDs that use all 12V

  • Guineafowl
  • · Replies 8 ·
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8
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1

Measuring AC current with an oscilloscope.

  • FM79
  • · Replies 7 ·
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7

Is PCB Artist Layout Software a Viable Alternative to Eagle for PCB Design?

  • Averagesupernova
  • · Replies 2 ·
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2

How Does Subtractive Dither Work

  • bhobba
  • · Replies 3 ·
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3

Magnetic field of Diametrically magnatized rod

  • Chris Fuccillo
  • · Replies 1 ·
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1

SR830 lock-in amp measurement problem

  • notabird
  • · Replies 4 ·
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4

Electrons in vacuum vs electrons in a sphere

  • Lacplesis
  • · Replies 3 ·
Replies
3

How to bias a MOSFET for lowest conduction losses

  • Dextrine
  • · Replies 7 ·
Replies
7

Noise due to chattering of relay

  • Nikhil N
  • · Replies 3 ·
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3

What is the benefit of using an electromagnet in a generator

  • Amanda H
  • · Replies 2 ·
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2

12VDC/2A power adapter to power two systems?

  • perplexabot
  • · Replies 3 ·
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3

Discharging High Capacitance (6F @ 48v)

  • YoungEngineering
  • · Replies 25 ·
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25

Determining the Fundamental Frequency Component

  • jegues
  • · Replies 5 ·
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5

Reason and remedy for AC motor overheating?

  • Koth
  • · Replies 14 ·
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14
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2

Basic phased array radar questions

  • KarenRei
  • · Replies 17 ·
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17

How to Design a Donut Electromagnet

  • Tim in NY
  • · Replies 12 ·
Replies
12

Would an Opamp work wired up like this?

  • Dextrine
  • · Replies 18 ·
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18

12 Volt 100 Watt Bulb V 120 Volt Bulb 100 Watt

  • John1397
  • · Replies 7 ·
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7

Electric Bicycle with no Battery

  • viper252
  • · Replies 3 ·
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3

How can I calculate dilectric constant from conductivity

  • Aseel5
  • · Replies 6 ·
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6
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3

Looking for an adapter to connect two different plugs

  • Greg Bernhardt
  • · Replies 7 ·
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7

Parallel transformers - checking my models

  • fahraynk
  • · Replies 3 ·
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3
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3