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

No Picture on the CRT Television

  • McHeathen
  • · Replies 1 ·
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1

Question on Ohm's law and motors

  • sharnrock
  • · Replies 24 ·
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24

How Do You Inspect and Clean Fiber Optic Cables?

  • borisdoyle
  • · Replies 1 ·
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1

Voltage at a Point: Understanding Ground in Circuits

  • quantum13
  • · Replies 1 ·
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1

Resistor Power Rating: What Does It Mean?

  • quantum13
  • · Replies 1 ·
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1

D.C motor speed controlImportant

  • KAS90
  • · Replies 5 ·
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5

Can I send timed voltage with just capacitors or do I need a microcontroller?

  • absurdparadox
  • · Replies 5 ·
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5

What happens when op amp input exceeds supply voltage?

  • krispots
  • · Replies 13 ·
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13

Why is there a current spike when voltage is first applied to a motor?

  • jrive
  • · Replies 17 ·
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17

Why is AC Power Transmission More Efficient Than DC for Long Distances?

  • Tregg Smith
  • · Replies 10 ·
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10
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2

Calculating resistor for LED in 19.2V flashlight

  • ineedsomephys
  • · Replies 7 ·
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7

Alternating poles in the stator of an alternator

  • jearls74
  • · Replies 2 ·
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2

EE Major: Good Career Choice in Robotics?

  • nortron
  • · Replies 1 ·
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1

A very simple stator ring question

  • StephenD420
  • · Replies 5 ·
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5

Is Your Fan Not Working Due to a Faulty Capacitor?

  • muh_j18
  • · Replies 3 ·
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3

Battery discharge when sitting on the floor

  • Tregg Smith
  • · Replies 16 ·
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16

Part Marking Populated PC Board

  • dingpud
  • · Replies 2 ·
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2

Will this power supply work for my device?

  • Haseo34
  • · Replies 8 ·
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8

Litz conductor surrounded by drain wires = huge capacitance?

  • chopficaro
  • · Replies 7 ·
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7

Some explanation about transister

  • firoz.raj
  • · Replies 2 ·
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2

Solve Automatic Switch Problem in Molina, Chile

  • Hohokam
  • · Replies 9 ·
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9

I have a frequency response diagram(frequency vs head) of discrete

  • narendra_p
  • · Replies 12 ·
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12

MIDI drum pressure to pulse width

  • dakudiv
  • · Replies 1 ·
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1

Could you me to deal with noise due to a electric motor?

  • wzhit
  • · Replies 18 ·
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18

AMMC-6220 amplifier showing gain spikes at high frequency

  • lennybogzy
  • · Replies 6 ·
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6

Passive butterworth filter design

  • Neutronium
  • · Replies 1 ·
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1

Batteries at freezing temperatures

  • alexwryt
  • · Replies 2 ·
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2

Reducing RF power of video transmitter

  • larsbentley
  • · Replies 32 ·
2
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32

Convert Time Domain to Phasor Domain with Euler's Formula

  • chopficaro
  • · Replies 1 ·
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1

Bandwidth requirements in ASK, FSK and PSK modulation

  • Eus
  • · Replies 5 ·
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5

What is the benifit of using more than one reistor vs one?

  • Llama77
  • · Replies 10 ·
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10

Why is AC RMS current 3.75 A not 5 A for 200V with 600W and 800VAR?

  • dhruv.tara
  • · Replies 5 ·
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5

Why do out-of-phase power connections matter for sensitive equipment?

  • schmitgreg
  • · Replies 10 ·
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10

3 phase rectifier with cap filter w/overheating wire.

  • Kias
  • · Replies 10 ·
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10

What is the Solution for a Smartboard 580 Cable Issue?

  • Nerdreaper404
  • · Replies 2 ·
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2

How to build a human powered generator

  • s09
  • · Replies 16 ·
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16

Difference between electronic and digital

  • jackson6612
  • · Replies 2 ·
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2

What does minimum breaking current mean for a fuse?

  • adool_617
  • · Replies 2 ·
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2

What's the difference between a buck converter and a voltage regulator?

  • kloong
  • · Replies 2 ·
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2

Ideal LC oscillator and barkhausen criterion

  • asifshaik
  • · Replies 2 ·
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2

Peak factor k in IEC 60909 short-circuit current formulas

  • PedroUK
  • · Replies 6 ·
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6

Can someone explain a DC electromagnetic generator in lamen terms for me?

  • waddlecaudle
  • · Replies 6 ·
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6

Learning about microcontrollers

  • Photon70
  • · Replies 10 ·
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10

What is a high resolution CCD camera suitable for inspecting metal cavities?

  • Mu naught
  • · Replies 1 ·
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1

Multemeter - dc current warms wires.

  • Dav333
  • · Replies 8 ·
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8

Finding a High-Voltage, High-Current Replacement for Mercury Relays

  • dbbaker2007
  • · Replies 2 ·
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2

CT for restricted earth fault (REF) protection

  • saragiha
  • · Replies 3 ·
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3

Extremely freaked out. Climbed some sort of antenna.

  • willrr1
  • · Replies 34 ·
2
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34

Too Long on the Battery Charger

  • McHeathen
  • · Replies 6 ·
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6

What is the frequency of a car's tire?

  • cgaday
  • · Replies 12 ·
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12

12V LED units with higher power and better colour spectrum for boats

  • sophiecentaur
  • · Replies 6 ·
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6
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5

What diode should I use for my motorcycle's dual headlight setup?

  • tintumat
  • · Replies 3 ·
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3

HFET model parameters in Aim-Spice for IV simulation

  • ArtemSH
  • · Replies 2 ·
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2

Dimmable ballasts with non-dimmable CFL's?

  • jgeverin172
  • · Replies 1 ·
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1

Calculating FFT from ADC Output - Hi All

  • wks_19
  • · Replies 1 ·
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1

Looking for a thesis to my master

  • Mr. B
  • · Replies 1 ·
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1

Understanding Direction of Wave Propagation with Poincaire Sphere

  • ask_LXXXVI
  • · Replies 1 ·
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1

What does 0.1C mean in battery charging?

  • krispots
  • · Replies 2 ·
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2

How far can a motor be overloaded?

  • kyaw min
  • · Replies 3 ·
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3

Electronics required for transmission of signals in fibre

  • sugandh
  • · Replies 10 ·
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10

Thevinin vs Norton: What's the Difference?

  • Ali Inam
  • · Replies 2 ·
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2

Um, i'm having a hard time understanding some terms and equations in

  • chemic_23
  • · Replies 1 ·
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1

Can I Use Copper Cable and a Ferrite Core to Create a Smaller TV Antenna?

  • LostConjugate
  • · Replies 7 ·
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7

Inverting output graph in SPICE circuit simulation

  • sheheryarnoor
  • · Replies 42 ·
2
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42

HDMI cable wiring schematic (what colors go where)

  • jaybird81
  • · Replies 5 ·
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5

Will CMOS Logic Gates Cause Instability in My Circuit Design?

  • Shadax
  • · Replies 2 ·
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2

AC/DC Coupling in Oscilloscopes Explained

  • symsane
  • · Replies 4 ·
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4

Cant understan these bjt transistor graphs

  • nhrock3
  • · Replies 3 ·
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3

Understand Hertzian Dipole Antenna E-Field Detachment

  • planewave
  • · Replies 10 ·
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10

Thesis topic ideas for power systems research

  • jermonster
  • · Replies 9 ·
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9

Does the E Vector of a Polarized EM Wave Trace an Ellipse in Space?

  • ask_LXXXVI
  • · Replies 2 ·
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2
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11

Why IGBTs Can Handle More Power Than Mosfets and BJTs

  • likephysics
  • · Replies 11 ·
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11

How Does Low Voltage Affect Induction Motor Performance?

  • manche
  • · Replies 6 ·
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6

Understanding Impedance Matching with Audio Transformers

  • Idea04
  • · Replies 7 ·
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7
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3

Replacing 12V 5Ah lead-acid with 14.8V 6600mAh lithium ion for fan belt

  • banglour
  • · Replies 5 ·
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5

How do AC and DC affect the body differently?

  • Boomting
  • · Replies 9 ·
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9

Xbee-controlled relay circuit for stage lighting box

  • thedash
  • · Replies 6 ·
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6

What Industries Utilize Picoammeters and Their Applications?

  • mbalaban
  • · Replies 4 ·
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4

Grounding a Hand-Held Radio for Adventure: Radio Grounding Theory

  • jRowe
  • · Replies 3 ·
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3
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3

Can You Independently Power Each Socket in a GFI Outlet?

  • thedash
  • · Replies 13 ·
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13

Where does unused power go in the electrical grid?

  • salman213
  • · Replies 5 ·
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5

How to Size Copper Contacts for 1200 Amps?

  • CruiserFJ62
  • · Replies 1 ·
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1

Why does the current stop at pinch voltage in a JFET?

  • nhrock3
  • · Replies 1 ·
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1

Switching 120V AC lamp with microcontroller relay

  • thedash
  • · Replies 5 ·
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5

I need to switch a 0.5V to 0.5 to 5.5V seamlessly

  • Dan King
  • · Replies 3 ·
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3
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3

Electronic Speed Control Question

  • fahcue
  • · Replies 2 ·
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2

Does a Sinc Pulse in Time Domain Resist Intersymbol Interference?

  • oufa
  • · Replies 1 ·
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1

How does Sampling affect a Spectrum?

  • frenzal_dude
  • · Replies 1 ·
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1

Can I Use a Disposable Camera Flash for Water Drop Photography?

  • noagname
  • · Replies 1 ·
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1

Sonic Antifouling for Marine Vessel

  • Cammeo
  • · Replies 1 ·
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1

What is the typical amperage supply to a household?

  • Philosophaie
  • · Replies 18 ·
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18

BLDC Motor - Operation with Phase Loss

  • mramakrishnan
  • · Replies 3 ·
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3

Why analog communication over the copper rather than digital ?

  • lostinxlation
  • · Replies 4 ·
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4
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1