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

Voltage spike in alternator when phases are shorted?

  • carmatic
  • · Replies 5 ·
Replies
5

RLC circuit resistance, inductance and capacitance

  • jeffrich
  • · Replies 6 ·
Replies
6

Wavetek 2500 output voltage drops 50% across 0.4-1100 MHz range

  • GenSoft3d
  • · Replies 11 ·
Replies
11

Multi inductor or capacitor RLC circuits

  • ricc
  • · Replies 7 ·
Replies
7

Branch Circuits: What is and isn't?

  • physicsboard
  • · Replies 10 ·
Replies
10

How Does the Depletion Region Influence Diode Behavior in Forward Bias?

  • azizlwl
  • · Replies 5 ·
Replies
5

Voltage in Circuits: Why Does Potential Difference Appear?

  • tonyjk
  • · Replies 6 ·
Replies
6

Thermal gradients in electrical paths of thermocouple conductors

  • erichp
  • · Replies 1 ·
Replies
1

Impedance: What is it & How Does it Differ from Resistance?

  • titantitan
  • · Replies 10 ·
Replies
10

Why Does the Bode Plot of a Type 1 System Show a Damped Slope Initially?

  • CognitiveNet
  • · Replies 1 ·
Replies
1

Waveguide discontinuity with centered circular aperture

  • EmilyRuck
  • · Replies 2 ·
Replies
2

Piezoelectric actuator in water

  • Flout
  • · Replies 1 ·
Replies
1

A 25W Light Bulb Married a GE Clock/Radio

  • nathangriffin
  • · Replies 4 ·
Replies
4

Local oscillator for AM modulation in RF transmitters

  • prs725
  • · Replies 7 ·
Replies
7

Tesla circuit radio mining for electrically independent house?

  • Ethernaught
  • · Replies 1 ·
Replies
1

Robotic Table Tennis Player: Selecting Motors for High Response

  • l094400
  • · Replies 4 ·
Replies
4

How to recharge neodymium magnets?

  • zipunzipit
  • · Replies 10 ·
Replies
10

Using a hototransistor to follow a light source

  • ffp
  • · Replies 4 ·
Replies
4

Calculating Current from a Function Generator

  • Student1008
  • · Replies 4 ·
Replies
4

Demand factor for the medical equipments

  • mohamed sleem
  • · Replies 1 ·
Replies
1

Working out voltage drop and current flowing through a circuit

  • SummersLCFC
  • · Replies 1 ·
Replies
1

Increasing power supply to building

  • CognitiveNet
  • · Replies 11 ·
Replies
11

Creating a signal amplifier using circuits

  • ejayt
  • · Replies 4 ·
Replies
4

A standard form of Complex Frequency can only have two terms?

  • korbear
  • · Replies 2 ·
Replies
2

Charging two parallel capacitors one of them is %50 charged

  • tarek1984
  • · Replies 14 ·
Replies
14

Is it incorrect to say when the voltage arrives to point X

  • Femme_physics
  • · Replies 10 ·
Replies
10

I want to know what do diodes facing opposite each other do?

  • daniel08
  • · Replies 4 ·
Replies
4
Replies
13

Measuring distance from an RF beacon

  • taylaron
  • · Replies 11 ·
Replies
11

Dead Car Battery Load when car off

  • cepheid
  • · Replies 21 ·
Replies
21

Does the inverter can be used as a power sourse

  • acdrive
  • · Replies 9 ·
Replies
9

Understanding Electromagnetic Waves

  • FOIWATER
  • · Replies 4 ·
Replies
4

What Determines the 0.2V Saturation Voltage in BJTs?

  • mikey12
  • · Replies 1 ·
Replies
1

Rectifier circuit: What am I doing wrong?

  • CDTOE
  • · Replies 6 ·
Replies
6

Why is My Laptop Battery Failing After One Year of Use?

  • heywilk
  • · Replies 1 ·
Replies
1

Driving requirement of a typical ear phone of small walkman or IPOT

  • yungman
  • · Replies 2 ·
Replies
2

Why is Coax Shielding Important for Signal Integrity?

  • Fixar Frazze
  • · Replies 9 ·
Replies
9

DC-DC power conversion and voltage regulators

  • ramonegumpert
  • · Replies 5 ·
Replies
5

Help Me Find Resistor Network Specs for My Circuit Board

  • Ebola0001
  • · Replies 2 ·
Replies
2
Replies
2

What's the point of biasing any transistor?

  • mt1200
  • · Replies 15 ·
Replies
15

Build RLC Oscillator Circuit: Real-Life Examples & Falstad Simulation

  • Raint
  • · Replies 8 ·
Replies
8

What Are the Two Types of Threshold Voltage (Vth) in MOSFETs?

  • KrNx2Oh7
  • · Replies 1 ·
Replies
1

Low Power FM transmitter explanation

  • mk2709
  • · Replies 4 ·
Replies
4

Basic LED circuit, 9v battery, what resistors to use?

  • alh1987
  • · Replies 5 ·
Replies
5

Why Do Motors Draw More Current During Brownouts?

  • RMoses4Life
  • · Replies 9 ·
Replies
9

Measuring Resistance in Series & Parallel: Unknown Values

  • xenocid3r
  • · Replies 2 ·
Replies
2

Heat signature of security camera

  • CognitiveNet
  • · Replies 1 ·
Replies
1

Redesigning cell phone chargers

  • thornza
  • · Replies 1 ·
Replies
1

Can a single capacitor circuit have phase shift?

  • Evales
  • · Replies 11 ·
Replies
11

Move a object with coil force of magnetic field(formula and Approach)

  • baby_1
  • · Replies 1 ·
Replies
1

How long will this LED last with this battery?

  • samak
  • · Replies 1 ·
Replies
1

How to restart my computer after power cut?

  • 042012
  • · Replies 6 ·
Replies
6

Changing a Ground while a circuit is live

  • ANarwhal
  • · Replies 13 ·
Replies
13

Can a thermoelectric cooler be used as a thermoelectric generator?

  • nu_hash
  • · Replies 4 ·
Replies
4

Creating a Simple Timer Circuit without an IC

  • Xyius
  • · Replies 10 ·
Replies
10

How does IR (infrared) intensity measured

  • makovx
  • · Replies 3 ·
Replies
3

Low Pass Filter in Software question

  • preimmortal
  • · Replies 4 ·
Replies
4
Replies
6

Harmonics in polyphase power system

  • mnada
  • · Replies 4 ·
Replies
4

Newbie Struggling with FFT Phase - Eva's Story

  • evawoo
  • · Replies 4 ·
Replies
4

Why does the SCR remain 'ON' even though the gate pulse is removed?

  • physio
  • · Replies 1 ·
Replies
1

Ferrite magnet as toroid transformer

  • ramonegumpert
  • · Replies 8 ·
Replies
8

Wind Turbine Design: High Output for Low Wind Speeds

  • Ac12992
  • · Replies 4 ·
Replies
4
Replies
3

How Do You Factor Transfer Functions in S-Plane Analysis?

  • FrankJ777
  • · Replies 2 ·
Replies
2

Can Back EMF in Inductors and Motors be Eliminated or Reduced?

  • nemesiswes
  • · Replies 12 ·
Replies
12

Increase Output Voltage of Solar Cells

  • Joe F
  • · Replies 4 ·
Replies
4

Node-voltage Method, some misconception?

  • M. next
  • · Replies 9 ·
Replies
9

How are step-up/step-down transformers wired?

  • Skaperen
  • · Replies 13 ·
Replies
13

DIY GSM 850 Antenna Build for Remote and Low Signal Areas

  • CanucksGirl
  • · Replies 18 ·
Replies
18

Accelerometer tilt error correction

  • maheshcn
  • · Replies 1 ·
Replies
1

Fault analysis in power systems

  • abimcdssi
  • · Replies 4 ·
Replies
4

Voltage and Current Behavior in Parallel Circuits

  • M. next
  • · Replies 13 ·
Replies
13

Output current for 74 series TTL

  • Joe_J
  • · Replies 5 ·
Replies
5
Replies
2

Ceramic material used in Peltier devices

  • jpt
  • · Replies 4 ·
Replies
4

Connecting different types of solar panels together

  • ramonegumpert
  • · Replies 4 ·
Replies
4

Can I Charge a 12V 15Ah Battery with 60V 4A?

  • reddvoid
  • · Replies 4 ·
Replies
4
Replies
11

Making a Logic Circuit: Learn How to Build an OR Gate

  • Xyius
  • · Replies 10 ·
Replies
10

Is There a Move Towards Pseudo Random Scanning for Digital TV Displays?

  • sophiecentaur
  • · Replies 9 ·
Replies
9

Can a Magnetic Generator Project Work for Beginners?

  • R y a n
  • · Replies 4 ·
Replies
4

RFID Scanners: Can Metal Protect?

  • Bacle2
  • · Replies 1 ·
Replies
1

Microstrip (Derivation of Capacitance and Inductance)

  • shpongle
  • · Replies 7 ·
Replies
7

Distributed Power: Benefits, Efficiency & Load Shedding Agreements

  • Pkruse
  • · Replies 4 ·
Replies
4

How does a low pass harmonic filter work and why is the resistor necessary?

  • johnnyb6231
  • · Replies 4 ·
Replies
4

Understanding Transistors: How Base Current Controls Collector Current

  • jd12345
  • · Replies 4 ·
Replies
4

What is PoE, power over the internet?

  • fisico30
  • · Replies 4 ·
Replies
4

Why is the 802.11b network divided into 22MHz bands?

  • Teachme
  • · Replies 1 ·
Replies
1

How are sources of AC power matched in a common grid?

  • LawrenceC
  • · Replies 4 ·
Replies
4

How to Change Frequency in a Circuit Using a MOSFET?

  • lcr2139
  • · Replies 1 ·
Replies
1
Replies
4
Replies
1

I cannot seem to properly ground this circuit.

  • SasQuach
  • · Replies 1 ·
Replies
1

How to hook up LED to indicate battery is receiving current

  • John1397
  • · Replies 2 ·
Replies
2

Digital modelling of Inverted Pendulum on a cart

  • meiskaustubh
  • · Replies 1 ·
Replies
1

Transformers - Variation in Current, EMF and Magnetic FLux

  • elemis
  • · Replies 37 ·
2
Replies
37

Arcing in a parallel-plate air-filled capacitor

  • The_Lobster
  • · Replies 1 ·
Replies
1

Find out polarity of device for using ac-dc adapter

  • aspfun
  • · Replies 2 ·
Replies
2