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

Camera Flash Circuit Explanation

  • Firefox123
  • · Replies 6 ·
Replies
6

Which one to choose?DSP/Commun/control/embed

  • manisha_341
  • · Replies 1 ·
Replies
1

Generator var import and export

  • Pr0t0typ3
  • · Replies 4 ·
Replies
4

Series-parallel tank circuit resonance condition and impedance

  • reakka
  • · Replies 26 ·
Replies
26

How are multiple video outputs displayed on various sections of the TV screen?

  • Bararontok
  • · Replies 11 ·
Replies
11

Double Insulated PSU, 14vdc output, 150vac potential

  • Arcady
  • · Replies 1 ·
Replies
1

What wires should I use for my HV PSU and lifter project?

  • _Bd_
  • · Replies 7 ·
Replies
7

Resistor is a current limiting element.?

  • harsha2591
  • · Replies 11 ·
Replies
11

Voltage Regulation: Ideas for Building Circuit

  • abstraktkid
  • · Replies 6 ·
Replies
6

Observe a filter response to a unit step?

  • Jaded1
  • · Replies 9 ·
Replies
9

Does volts and amps get at half while charging multiple batteries?

  • Panamanian
  • · Replies 1 ·
Replies
1

Fastest way to charge a battery?

  • Panamanian
  • · Replies 4 ·
Replies
4

Converting XG-NV2U LCD Projector to SLM

  • knb2890
  • · Replies 1 ·
Replies
1

Personal Voice Amplifier Background Hum Trouble

  • riley_cultist
  • · Replies 2 ·
Replies
2

Does this strange coil really consume 1700Amps?

  • leviterande
  • · Replies 30 ·
2
Replies
30

Amplify AC signal using dual rail op amp

  • florenceooi
  • · Replies 24 ·
Replies
24

Measuring voltage between your fingers

  • mycotheology
  • · Replies 4 ·
Replies
4

How does the Earth's ability to conduct electricity affect grounding electrodes?

  • johnny_b_good
  • · Replies 1 ·
Replies
1

What are the uses of current sources?

  • Chander G
  • · Replies 8 ·
Replies
8

Which Approach is Correct for Nodal Analysis in Electricity Books?

  • dijkarte
  • · Replies 10 ·
Replies
10

How can I increase the suction power of my cordless vacuum broom?

  • slee95
  • · Replies 3 ·
Replies
3

Means for increasing the intensity of electrical oscillations

  • lufc88
  • · Replies 4 ·
Replies
4

Why Isn't My Radio-Controlled Electromagnet Working?

  • Curious_Dude
  • · Replies 14 ·
Replies
14

Beginner electronics books for building drones and RC planes

  • Orza
  • · Replies 8 ·
Replies
8
Replies
1

Generating High Frequency Signals

  • amanno
  • · Replies 6 ·
Replies
6

Is Sqrt(3) Factor in 3-Phase Power Dependent on Sine Waves?

  • Strill
  • · Replies 5 ·
Replies
5

Why sine wave is the basic building block signal to make other signals?

  • dexterdev
  • · Replies 8 ·
Replies
8
Replies
7

Charge carrier screening in semiconductor

  • mzh
  • · Replies 2 ·
Replies
2

AC motor vs. DC motor efficiency

  • nlpolk
  • · Replies 1 ·
Replies
1

Motor drives for a satellite reaction wheel

  • anjalisarath
  • · Replies 1 ·
Replies
1

What's the simplest way to study memristor?

  • jackmell
  • · Replies 4 ·
Replies
4

Light waves from a normal house hold globe effecting a dc circuit. Why?

  • calvinator
  • · Replies 21 ·
Replies
21

What country has more engineering jobs?

  • ThomasG
  • · Replies 2 ·
Replies
2

How do i build a electronic wire strippers?

  • slee95
  • · Replies 26 ·
Replies
26

DO-160 Pin Injection waveform generation

  • hemant03
  • · Replies 1 ·
Replies
1

How do i control the speed of a dc motor?

  • slee95
  • · Replies 4 ·
Replies
4

Powering PV(solar) panel with LED lights

  • bal_jop
  • · Replies 18 ·
Replies
18

What should I know about winding a motor's coil?

  • sanfadilan
  • · Replies 1 ·
Replies
1

SCR and Diode are Active or Passive Components?

  • otomanb
  • · Replies 8 ·
Replies
8

How Small Can a Pulse Be Detected with a 1GHz Oscilloscope?

  • fedeb1
  • · Replies 6 ·
Replies
6

Scaled" & "Inverted" in Picoammeter Analog Voltage Output

  • ThereIam
  • · Replies 4 ·
Replies
4

How do atoms emit photons if photons require oscillating charges?

  • Bassalisk
  • · Replies 2 ·
Replies
2

Same load one or three batteries

  • John1397
  • · Replies 6 ·
Replies
6

PWM controlled fan responds unexpectedly

  • Artlav
  • · Replies 5 ·
Replies
5

How does back emf make energy conversion possible

  • Ritz_physics
  • · Replies 6 ·
Replies
6

Where does a NOT gate get current when the input is 0?

  • nGX
  • · Replies 13 ·
Replies
13

What's more important amps,r watts or volts?

  • Panamanian
  • · Replies 2 ·
Replies
2

Looking for switching supply with 110V AC in and about 400V DC out

  • yungman
  • · Replies 15 ·
Replies
15

Appreciating the Hard Work of PF Mentors - old jim

  • jim hardy
  • · Replies 2 ·
Replies
2

Understanding Stepper Motors - How Loads Affect Motor Torque

  • mech-pige
  • · Replies 4 ·
Replies
4

Building a Full-Spectrum LED Light Array for My Grow Station

  • kamko15
  • · Replies 47 ·
2
Replies
47

How Can I Boost the Base Current in a BJT-Driven DC Motor Circuit?

  • medosoft
  • · Replies 4 ·
Replies
4

How Does a Class AB Power Amplifier Reduce Crossover Distortion?

  • lownavin
  • · Replies 1 ·
Replies
1

Transformer Theory: No Load Current & Increasing Primary Current

  • Evil Bunny
  • · Replies 20 ·
Replies
20

Obtaining Phase and Amplitude from FFT

  • henryd
  • · Replies 4 ·
Replies
4

Confused about PID controller for current control with PMW

  • mechamania
  • · Replies 39 ·
2
Replies
39

Using a transistor as a switch

  • Christo66
  • · Replies 4 ·
Replies
4

Why do we use the 3phase and not the 4phase or other phase supply?

  • Faraz Murtaza
  • · Replies 8 ·
Replies
8

Do circuits built using PCB and using bread board perform the same?

  • royzizzle
  • · Replies 33 ·
2
Replies
33

Motor voltage higher than battery voltage

  • jaredmt
  • · Replies 4 ·
Replies
4

Relay switch to detect power source

  • vikum123
  • · Replies 17 ·
Replies
17

Hi, new poster and first year EE student, I have a couple of questions.

  • Vagabond7
  • · Replies 9 ·
Replies
9

Why Does My RLC Meter Show a Negative Capacitance Value?

  • Rainhard
  • · Replies 18 ·
Replies
18

Charged capacitor + piece of aluminum = very large flash

  • adamnation
  • · Replies 2 ·
Replies
2

How do electrons behave in a basic rechargeable fluid battery system?

  • chris arnold
  • · Replies 18 ·
Replies
18

Can't trigger on 2 channels simultaneously on oscilloscope =/

  • Nano-Passion
  • · Replies 8 ·
Replies
8

Random Shock From Water Heater / Geyser

  • rsk11584
  • · Replies 25 ·
Replies
25

Winding Copper wire / strip on Aluminium body

  • Navaneetha
  • · Replies 5 ·
Replies
5

Question for experienced - digital communication books

  • error 401
  • · Replies 2 ·
Replies
2

Quartus: Discrete-Time Convolution Calculations

  • nadersb
  • · Replies 1 ·
Replies
1

Motor used for Electric Wine Opener

  • coooljay
  • · Replies 1 ·
Replies
1
Replies
2
Replies
2

LED triggered by weight threshold on a scale using rotary switch

  • kaminar
  • · Replies 4 ·
Replies
4

Trying to make a ~30 microsecond delay circuit

  • axemaster
  • · Replies 11 ·
Replies
11

Building a Circuit to Switch On/Off a 9V Motor

  • jbord39
  • · Replies 42 ·
2
Replies
42
Replies
4

Electrostatic Field/Magnetic Fields

  • jcj330
  • · Replies 1 ·
Replies
1

Do Plate Materials Affect Capacitor Performance?

  • Aladdin123
  • · Replies 4 ·
Replies
4

Is this current phase shifter ?

  • JJ91
  • · Replies 2 ·
Replies
2

Can Voltage Drop be Eliminated in High Current Circuits with Long Distances?

  • Irwinjs22
  • · Replies 5 ·
Replies
5

Can I replace damaged capacitors in my power supply with a 1000uf cap?

  • slee95
  • · Replies 18 ·
Replies
18

How Do You Connect Two Generators in Parallel or Series?

  • conc
  • · Replies 4 ·
Replies
4

Choose the Right Electrostatic Filter: Criteria to Consider

  • afa13
  • · Replies 3 ·
Replies
3

Determining communication direction in SPI ports

  • fizz_it
  • · Replies 4 ·
Replies
4

What diode do I need for automobile turn signals with LED's

  • wascapsfan
  • · Replies 2 ·
Replies
2

Gradually changing the phase of a signal

  • jmjsilvester
  • · Replies 2 ·
Replies
2

How Do You Wind a Balun for a 500MHz FM Transmitter?

  • obiajulu
  • · Replies 2 ·
Replies
2

Negative feedback - Open loop gain question

  • okami11408
  • · Replies 2 ·
Replies
2

How do antennas convert current into electromagnetic waves?

  • ASidd
  • · Replies 1 ·
Replies
1

What Does Sink Eight TTL Inputs Mean in the Context of AT89C51's Port 0?

  • snshusat161
  • · Replies 2 ·
Replies
2

Calculating Coils for AM Radio Frequency

  • mearvk
  • · Replies 16 ·
Replies
16

Just another monostable 555 timer question

  • RobertRobot36
  • · Replies 29 ·
Replies
29

How can a pulse voltage be stabilized to a DC voltage?

  • Daniel Floyd
  • · Replies 4 ·
Replies
4

Hello. I just got a PMT the glass bulb of which has been broken. Even

  • Ravaner
  • · Replies 6 ·
Replies
6

Measuring resistance in a superconductor

  • chutes123
  • · Replies 4 ·
Replies
4

Designing an outdoor electronic product (LED tree)

  • parkland
  • · Replies 11 ·
Replies
11

Oscilloscope Ground and Common question

  • kbmcnich
  • · Replies 2 ·
Replies
2