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

KVL Confusion: Voltages & Arrows Explained

  • Physicist3
  • · Replies 7 ·
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7

Question about voltage division

  • Dixo
  • · Replies 2 ·
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2

Sinusoidal sources and complex power

  • d.arbitman
  • · Replies 2 ·
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2

Do circuits have complexity classes?

  • Bipolarity
  • · Replies 1 ·
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1

Why Do Electrical Outlets Have Three Holes?

  • jaydnul
  • · Replies 2 ·
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2

Monitoring Battery Level, without wasting too much energy

  • barkly
  • · Replies 15 ·
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15

Physics, electricity, engineering

  • wally25feb
  • · Replies 2 ·
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2

EE student in need of serious advice

  • eestudent1
  • · Replies 5 ·
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5

Can you calulate a transformer secondary resistance by using load regulation %

  • mp3streetpart
  • · Replies 2 ·
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2
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4

Foldback current limiter circuit

  • basitccp
  • · Replies 6 ·
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6

The model of electric flux in solids

  • dkastz
  • · Replies 4 ·
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4

Does Elec Engineering need calc (multi variable, diff equations, etc)

  • appleb
  • · Replies 8 ·
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8

Will someone identify the parts on the chip.

  • jaydnul
  • · Replies 4 ·
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4

Using a shunt resistor for measuring current

  • F.ono
  • · Replies 7 ·
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7

Convert 24V to 12V for Scooter Horn Wiring

  • elevfan7072
  • · Replies 5 ·
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5

Finding the strongest beat in a sound wave using autocorrelation

  • wildetudor
  • · Replies 9 ·
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9

Build a Reusable Stripboard for Easy Circuit Tweaking

  • RhysGM
  • · Replies 5 ·
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5

Advantage of frequency domain analysis?

  • learner07
  • · Replies 12 ·
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12
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1

What is the relevance of complex signals in communication engineering?

  • dexterdev
  • · Replies 9 ·
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9

Solving OP Amp & EMI Problems - Joe's Experience

  • chemnut220
  • · Replies 11 ·
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11

Domestic LED lamps: reliability

  • sophiecentaur
  • · Replies 21 ·
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21

Any methods to connect 20W solar panel?

  • JesseConant
  • · Replies 4 ·
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4

Beta of a Transistor (both NPN and PNP), how would I do that?

  • mikehsiao789
  • · Replies 9 ·
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9

The level of Daubechies wavelets

  • Hzaqa
  • · Replies 1 ·
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1

Ring Terminal Connections for Harsh Environments

  • opmal7
  • · Replies 4 ·
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4

Just got a new pair of headphones with a mic and i have a quick question.

  • jaydnul
  • · Replies 1 ·
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1

How to calculate reactive power for 3 phase induction motor

  • ws0619
  • · Replies 4 ·
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4

Voltage across components in a zero-current circuit

  • Yh Hoo
  • · Replies 4 ·
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4

How Can I Calculate Resistors for a Transistor Switch with an LDR?

  • RhysGM
  • · Replies 14 ·
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14

Search for magnetic amplifier circuit

  • wvphysicist
  • · Replies 5 ·
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5

How Do Delays in Inputs Affect S-R Latch Outputs?

  • SpaceCreature
  • · Replies 4 ·
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4

How to know a transistor is carrying out its function ?

  • Outrageous
  • · Replies 29 ·
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29

Designing a system of two filers(Band Stop and High Pass)

  • coolrp
  • · Replies 8 ·
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8

Controlling a 1000°F heating element with thermostat output options

  • pedalspikes
  • · Replies 5 ·
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5

How do I see the gain from this Bode plot? (simple)

  • jean28
  • · Replies 4 ·
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4

Concentrations of electrons in intrinsic semi-conductor

  • jendrix
  • · Replies 2 ·
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2
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5

How antennas receive AM radio signals

  • webberfolds
  • · Replies 67 ·
3
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67

Why Do Some PCB Designers Use Soldered Fuses Instead of Fuse Holders?

  • Jobrag
  • · Replies 1 ·
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1

Beginner question about voltage

  • jaydnul
  • · Replies 2 ·
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2

Ultra / Supercapacitors - Recommendations

  • ramonegumpert
  • · Replies 9 ·
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9

Since diodes emit light(led) and they are also used to convert ac to dc

  • jaydnul
  • · Replies 1 ·
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1

Q Factor of Circuits: Definitions & Applications

  • tomz
  • · Replies 4 ·
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4

Describing pzt planes and corresponding coefficients

  • zazend
  • · Replies 2 ·
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2

Ok, but WHY does the asynchronous AC induction motor have an unstable zone?

  • EVriderDK
  • · Replies 4 ·
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4

What is the Proper Voltage to Open a 350v Rated Power N Channel Mosfet?

  • Crazymechanic
  • · Replies 1 ·
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1

Will i need amplifier in this case?

  • samaaa
  • · Replies 5 ·
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5

Layden jar questions? And some static electricity questions.?

  • grim3271
  • · Replies 6 ·
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6

Calculating Capacitance of a Toroid: Formula and Proof

  • F.ono
  • · Replies 4 ·
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4

Interesting argument between friends

  • JustNobody
  • · Replies 68 ·
3
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68

UWB Transceiver Design by Ali: Antenna & Transistor Issues

  • ali.cmi
  • · Replies 11 ·
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11
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5

How to Use LASI Effectively - Frustrated No More!

  • paulzhen
  • · Replies 1 ·
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1

Voltage Drop in a Series Circuit with 100V & 2 50 Ohm Resistors

  • Drakkith
  • · Replies 8 ·
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8

Design Electromagnet for 400-500 Oe, 100-800kHz

  • MG_xy
  • · Replies 9 ·
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9

Load line of transistor question

  • Outrageous
  • · Replies 9 ·
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9
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7

What is happening inside the zener diode ?

  • Outrageous
  • · Replies 4 ·
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4

Waveguide standing wave pattern

  • JuanCarlos
  • · Replies 5 ·
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5

Motor system for rice paddy water pump in Thailand

  • son_of_edison
  • · Replies 4 ·
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4

Proof of common sense when maths is lacking concept

  • toneboy1
  • · Replies 61 ·
3
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61

Let's consider npn transistor, when emitter-base is forward with

  • Outrageous
  • · Replies 13 ·
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13

Can a Microcontroller Replace a 555 Timer for a Low Frequency Flasher?

  • funnyguy
  • · Replies 4 ·
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4

Radiation vector for a short dipole near a perfect magnetic conductor

  • Bromio
  • · Replies 4 ·
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4

Magnitude in frequency domain of Fourier Transform situation

  • toneboy1
  • · Replies 6 ·
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6

Power Factor Circuit Design & Analysis - Rawang Terrace House

  • APEX25
  • · Replies 1 ·
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1
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12

Application (specific) of polar and non polar capacitor

  • reza6430
  • · Replies 4 ·
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4

Understanding the Function and Practical Applications of Voltage Dividers

  • ricardo7890
  • · Replies 2 ·
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2

Electron In conduction band at 0K

  • Outrageous
  • · Replies 8 ·
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8

Can electron stay between donor energy level and valence band?

  • Outrageous
  • · Replies 8 ·
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8

High frequency noise in smps transformer

  • shyamramnani
  • · Replies 4 ·
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4

Pulse Reversing SPDT? | Low Voltage DC Solutions

  • funnyguy
  • · Replies 2 ·
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2

Standard Form for second order systems.

  • zoom1
  • · Replies 1 ·
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1

How Does Loading Affect a Second Order Passive RC Filter?

  • tangodirt
  • · Replies 20 ·
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20

Ultimate power supply/ freq. gen

  • taylaron
  • · Replies 10 ·
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10

Experiment: Microwave Faraday Cage & WIFI Hotspot

  • defecritus
  • · Replies 16 ·
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16

Is PWM for control of Peltier Element logical?

  • MagikRevolver
  • · Replies 4 ·
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4

NO Reed switch in a magnetic field?

  • Robin07
  • · Replies 6 ·
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6

How to cut power when given max voltage reached?

  • Cyclix
  • · Replies 8 ·
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8

Clapper circuit that actually works?

  • jean28
  • · Replies 17 ·
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17

IGBT parameters for 12V 50Hz single-phase SPWM inverter in PSIM

  • jagodzzinski
  • · Replies 4 ·
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4

How Can You Determine Unknown Resistance in a Circuit?

  • ee1215
  • · Replies 4 ·
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4

Improving Resolution of Sensor Output

  • akhurash
  • · Replies 5 ·
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5

What is the physical meaning of the fermi level in semiconductors?

  • Eng.
  • · Replies 1 ·
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1

How to measure a capacitance of an isolated object?

  • Artlav
  • · Replies 4 ·
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4

Reverse Current for RC Car Model: 3 Way Switch or Alternative Solution?

  • johnabbott123
  • · Replies 1 ·
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1
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15

Difference Amplifer Design with Single Supply Voltage

  • akhurash
  • · Replies 8 ·
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8

Diodes used for mixing - why needed?

  • zincshow
  • · Replies 6 ·
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6
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5

Building a speaker, have a few questions about the voice coil and magnets

  • luigidorf
  • · Replies 4 ·
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4

Reason for power companies .95 power factor?

  • Ccollisions
  • · Replies 6 ·
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6

Stability theory and impulse response

  • Faraz Murtaza
  • · Replies 7 ·
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7

Is a Contactor Suitable for High Power 3 Phase Transfer Switching?

  • littleblackdo
  • · Replies 9 ·
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9

400v Transformer for Geiger circuit

  • turtleaja
  • · Replies 5 ·
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5

Build Coil-Gun w/ Lithium Car Batteries: Rapid Fire & High Velocity?

  • supak111
  • · Replies 4 ·
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4

Motor Stopping - Find Reason & Fix

  • amaresh92
  • · Replies 9 ·
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9