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

How does a step function affect the output voltage of an ideal OP-AMP?

  • EvLer
  • · Replies 7 ·
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7

Fourier Series / Fourier Transform Question

  • SpeedBird
  • · Replies 6 ·
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6

Most efficient logic for 10 bit decoder

  • bsun2
  • · Replies 2 ·
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2

Build Simple Amplifier w/ Photodiode (No Op-Amp)

  • laura123
  • · Replies 2 ·
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2

Build a filter that will accept a 200hz square wave

  • zekester
  • · Replies 2 ·
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2

Why does loading an LRC filter change its frequency response?

  • chingkui
  • · Replies 2 ·
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2

Solving a Filter Problem with a Voltage Source Graph

  • EvLer
  • · Replies 6 ·
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6

How to use a 555 timer for battery pulsing?

  • david90
  • · Replies 4 ·
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4

How can I convert 220V 60Hz to use a 110V 50Hz air conditioner?

  • sheperd
  • · Replies 2 ·
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2

How do flyback diodes protect FETs in switching power supply circuits?

  • Shahil
  • · Replies 15 ·
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15

Can a solenoid launcher work with aluminum soda cans?

  • rwa2008
  • · Replies 2 ·
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2

Calculating Cost of Charging a Battery

  • danne89
  • · Replies 2 ·
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2

Why can't I measure 9A through a 1 ohm resistor at 9V?

  • danne89
  • · Replies 11 ·
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11

Technological difficulties faced in making a microturbine?

  • sid_galt
  • · Replies 3 ·
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3

How Can I Build an Electromagnet with a D Battery, Nails, and Wire?

  • Nonok
  • · Replies 1 ·
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1

Is Directv Causing Signal Problems?

  • darticus
  • · Replies 1 ·
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1

Driving 7-Segment Display from 200Hz Clock Signal

  • david90
  • · Replies 2 ·
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2

Type of transistor configuration on a circuit

  • jonnathan_andre
  • · Replies 4 ·
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4

Energy extraction in power plants

  • sid_galt
  • · Replies 7 ·
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7
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2

How do I calculate conductor cross-sectional area for resistance?

  • suppo
  • · Replies 10 ·
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10

Can Solar Technology Realistically Replace All Existing Energy Sources?

  • redgoat
  • · Replies 11 ·
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11

Circuit to digitally control a voltage multiplier

  • sean23
  • · Replies 1 ·
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1

Active Second-order low-pass Butterworth filter

  • webhelp
  • · Replies 1 ·
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1

Removing rev limiter on small two stroke

  • oldunion
  • · Replies 4 ·
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4

Does Voltage or Wattage Affect Electric Heater Efficiency?

  • sheperd
  • · Replies 4 ·
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4

Power 12V Fan with 5.01V 500mA Source - Suggestions?

  • Shawnzyoo
  • · Replies 1 ·
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1

Magnetic field between non-coaxial cylinders with Ampere's law

  • Merrank
  • · Replies 2 ·
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2

Why is Tossing a Toaster into a Bath Dangerous?

  • espear
  • · Replies 16 ·
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16

Learning about self-excited and separate shunt generators

  • vptran84
  • · Replies 2 ·
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2

How does the varying resistor affect the voltage at node 2?

  • mathrocks
  • · Replies 3 ·
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3

Common Electrical misconceptions?

  • TheAntiRelative
  • · Replies 37 ·
2
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37
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6

Efficient wireless transmission of electrical energy

  • sid_galt
  • · Replies 19 ·
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19

How do wavelength and signal speed relate to AC frequency?

  • EvLer
  • · Replies 5 ·
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5

Solving Phasor Circuit: Finding Theta

  • EvLer
  • · Replies 5 ·
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5

What are edge-triggered and JK flip flops used for?

  • heman
  • · Replies 7 ·
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7
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16
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5

Design BCD 2-out-5 Encoder Using Logic Gates - 74210 Code

  • weeds
  • · Replies 31 ·
2
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31

How Can I Simulate FM Modulation in Pspice?

  • Superhawk
  • · Replies 1 ·
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1
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8

[VHDL] Xilinx Multi-source error

  • dduardo
  • · Replies 1 ·
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1

What affects the amplitude of a wave sent by an antenna?

  • mtanti
  • · Replies 6 ·
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6

How can I determine the junction area of a diode?

  • shaiqbashir
  • · Replies 1 ·
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1

How to build a transformer and find core

  • Cliff_J
  • · Replies 3 ·
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3

Optical fiber transmitter and receiver (photodarlington)

  • electro-man
  • · Replies 1 ·
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1

Solving RLC Circuit with 2 500pF Capacitors and 80mH Inductor

  • DethRose
  • · Replies 3 ·
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3

Calculating CD Requirements for a 39-Hour Music Collection

  • justagirl
  • · Replies 1 ·
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1

How does sound travel from the musical device to the heaphone

  • Maxwell
  • · Replies 7 ·
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7

What's the Distinction Between Electrical and Electronics?

  • EngTechno
  • · Replies 7 ·
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7

Impedance requirements for frequency counters in circuits

  • mathlete
  • · Replies 4 ·
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4

RC circuit with complex exponential

  • EvLer
  • · Replies 9 ·
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9
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5

Why does rolling an RFID tag enable detection at 90 degrees?

  • temujin
  • · Replies 1 ·
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1

Want to increase the Output current from soalr panel

  • supperman
  • · Replies 8 ·
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8

VHDL port map syntax error in AND1 instantiation

  • Dinosaur
  • · Replies 2 ·
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2
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2

How Does a Game Boy Circuit Board Function?

  • QuantumTheory
  • · Replies 3 ·
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3

Counter-example to Nyquist's Sampling Theorem?

  • chingkui
  • · Replies 5 ·
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5

Book for knowing about electricity

  • lakshmi
  • · Replies 5 ·
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5

What Books and Websites Are Best for Learning Digital Electronics?

  • redgoat
  • · Replies 2 ·
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2

Good books for Circuit Analysis?

  • Maxwell
  • · Replies 2 ·
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2

Mounting a PA Speaker in Rain: Josh's Question

  • dusty8683
  • · Replies 2 ·
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2

3rd order low pass Butterworth active filter

  • tinhnho
  • · Replies 3 ·
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3

3 Volt DC Motor Performance Graphs

  • NSX
  • · Replies 1 ·
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1

Why won't my homemade solenoid work?

  • B166ER
  • · Replies 12 ·
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12

Why is There No More Interference When on a Cell Phone Call?

  • whozum
  • · Replies 8 ·
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8

Li Ion battery recharges in one minute

  • Ivan Seeking
  • · Replies 1 ·
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1

Efficient 4-Bit Binary Subtractor Design Using Half-Adders and Full-Adders"

  • electro-man
  • · Replies 7 ·
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7

AM Transmitter and Receiver Circut

  • veganode
  • · Replies 2 ·
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2

Can I Install a Computer in My Car?

  • JoshHolloway
  • · Replies 4 ·
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4

How can I optimize my Faraday induction generator for a science project?

  • Doctor2B
  • · Replies 15 ·
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15

What Will I Learn in My First Year of Electrical Engineering or Physics?

  • Quarkycharm
  • · Replies 2 ·
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2

Find a Servo Controller for Your Project

  • faust9
  • · Replies 3 ·
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3

Books on practical electronics?

  • chson
  • · Replies 2 ·
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2

How Does a Hall Probe Work and Where to Learn About It?

  • JamesJames
  • · Replies 3 ·
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3

Anybody have experience with small solenoids?

  • M-Funf
  • · Replies 7 ·
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7

Magnetic Analysis Program for Homebuilt Generator - Power Increase?

  • willib
  • · Replies 3 ·
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3

Cost of Capacitive sensor and Tachogenerator

  • cyeokpeng
  • · Replies 2 ·
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2
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3

How does convolution transform an input signal to output?

  • BlkDaemon
  • · Replies 7 ·
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7

How would you test the lifetime of a light bulb?

  • tony_engin
  • · Replies 13 ·
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13

Capacitor/Inductor Imaginary Numbers

  • Adder_Noir
  • · Replies 3 ·
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3

RLC circuit and rate of increase of current

  • hell-hawk
  • · Replies 1 ·
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1

Best Circuit Simulation Software: Ease of Use and Flexibility?

  • Kerbox
  • · Replies 5 ·
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5

Laplace Transforms and non ideal inductors

  • brendan_foo
  • · Replies 18 ·
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18

Pigtail Antenna Cable: Can It Be Substituted With Coaxial?

  • david90
  • · Replies 5 ·
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5

Understanding Modulation in 4-20ma Transducers/Transmitters

  • Adder_Noir
  • · Replies 2 ·
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2

How do AC motors work?

  • Adder_Noir
  • · Replies 9 ·
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9

Understanding Circuit Design and Transistor Configurations

  • Shahil
  • · Replies 4 ·
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4
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21
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1

Can Infrared Sensors Effectively Monitor Water Level in a Tank?

  • cyeokpeng
  • · Replies 9 ·
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9

How does capacitor cooling work and how do you set it up on a bench?

  • raburgeson
  • · Replies 3 ·
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3

Can I Use the Same Car Charger for Both Laptops?

  • iancoric
  • · Replies 2 ·
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2

What does watts per square meter mean?

  • klmdad
  • · Replies 6 ·
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6
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1
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1

How Does Antenna Gain Impact RF Energy Distribution?

  • beckett
  • · Replies 7 ·
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7