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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...

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Comparing IIR Filter Types: Butterworth, Chebysheff and Elliptic

May 5, 2005 · Replies 2 · May 5, 2005

Replies: 2

Views: 4K

Building a 365kJ Capacitor Bank for Experiments | Abiscus.com

Apr 29, 2005 · Replies 15 · May 5, 2005

Replies: 15

Views: 6K

Electrical question (well, lightning, really)

May 5, 2005 · Replies 4 · May 5, 2005

Replies: 4

Views: 2K

Unmatched voltages on a transformer's primary coils

Apr 23, 2005 · Replies 37 · May 5, 2005

2

Replies: 37

Views: 7K

Estimating internal (junction) temperature

May 3, 2005 · Replies 1 · May 5, 2005

Replies: 1

Views: 3K

Required Torque (Electromagnet stuff)

Apr 27, 2005 · Replies 2 · May 5, 2005

Replies: 2

Views: 2K

Skin effect or total crossectional area

May 1, 2005 · Replies 4 · May 4, 2005

Replies: 4

Views: 3K

EE senior electives - need advice

May 2, 2005 · Replies 2 · May 3, 2005

Replies: 2

Views: 3K

Understanding the Circuit Diagram for an Amp Hour Meter for Beginners

Apr 23, 2005 · Replies 15 · May 3, 2005

Replies: 15

Views: 7K

Understanding Wave Graphs: 4t & 30° Phase Angle

May 3, 2005 · Replies 4 · May 3, 2005

Replies: 4

Views: 6K

Op-Amp Integrator: Understand 10MOhm Feedback Resistor

Apr 29, 2005 · Replies 4 · May 3, 2005

Replies: 4

Views: 24K

Can any genius tell me about Clampers

Apr 25, 2005 · Replies 3 · Apr 29, 2005

Replies: 3

Views: 4K

Capacitance Decrease w/ Applied DC

Apr 28, 2005 · Replies 3 · Apr 28, 2005

Replies: 3

Views: 3K

Why Are Phase Modulation Transmitters Rarely Used in Broadcasting?

Apr 20, 2005 · Replies 4 · Apr 28, 2005

Replies: 4

Views: 8K

High Voltage and measurement instruments

Apr 27, 2005 · Replies 2 · Apr 28, 2005

Replies: 2

Views: 3K

Building a Functional Lie Detector: Troubleshooting Tips and Breadboard Basics

Apr 22, 2005 · Replies 7 · Apr 27, 2005

Replies: 7

Views: 3K

Current/Voltage in an AC Generator

Apr 25, 2005 · Replies 5 · Apr 27, 2005

Replies: 5

Views: 7K

Electric Field Energy of Hydrogen Atom: Proton & Electron

Apr 26, 2005 · Replies 1 · Apr 26, 2005

Replies: 1

Views: 2K

Which University Should I Go To in Ontario, Canada?

Apr 25, 2005 · Replies 2 · Apr 25, 2005

Replies: 2

Views: 2K

Program for designing simple circuits

Apr 3, 2005 · Replies 25 · Apr 25, 2005

Replies: 25

Views: 6K

Want to learn Circuit/Electronics Need Help

Apr 18, 2005 · Replies 2 · Apr 25, 2005

Replies: 2

Views: 9K

Solving Amp Hour Meter Problems: Wiring Series vs Parallel

Mar 24, 2005 · Replies 35 · Apr 25, 2005

2

Replies: 35

Views: 13K

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

Apr 23, 2005 · Replies 7 · Apr 25, 2005

Replies: 7

Views: 2K

Fourier Series / Fourier Transform Question

Apr 21, 2005 · Replies 6 · Apr 24, 2005

Replies: 6

Views: 18K

Most efficient logic for 10 bit decoder

Apr 23, 2005 · Replies 2 · Apr 24, 2005

Replies: 2

Views: 6K

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

Apr 21, 2005 · Replies 2 · Apr 22, 2005

Replies: 2

Views: 3K

Build a filter that will accept a 200hz square wave

Apr 21, 2005 · Replies 2 · Apr 21, 2005

Replies: 2

Views: 3K

Question about LRC Circuit and Filter

Apr 19, 2005 · Replies 2 · Apr 21, 2005

Replies: 2

Views: 3K

Solving a Filter Problem with a Voltage Source Graph

Apr 17, 2005 · Replies 6 · Apr 21, 2005

Replies: 6

Views: 2K

How to use a 555 timer for battery pulsing?

May 13, 2004 · Replies 4 · Apr 21, 2005

Replies: 4

Views: 6K

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

Apr 14, 2005 · Replies 2 · Apr 20, 2005

Replies: 2

Views: 5K

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

Mar 12, 2005 · Replies 15 · Apr 20, 2005

Replies: 15

Views: 5K

Create Soda Can Launcher with Solenoids | College Student Project

Apr 1, 2005 · Replies 2 · Apr 20, 2005

Replies: 2

Views: 6K

Calculating Cost of Charging a Battery

Apr 17, 2005 · Replies 2 · Apr 19, 2005

Replies: 2

Views: 2K

Troubleshooting 9V and 1 Ohm Resistor Connection

Apr 10, 2005 · Replies 11 · Apr 19, 2005

Replies: 11

Views: 2K

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

Apr 18, 2005 · Replies 1 · Apr 18, 2005

Replies: 1

Views: 2K

Is Directv Causing Signal Problems?

Apr 18, 2005 · Replies 1 · Apr 18, 2005

Replies: 1

Views: 8K

Driving 7-Segment Display from 200Hz Clock Signal

Apr 15, 2005 · Replies 2 · Apr 18, 2005

Replies: 2

Views: 3K

Type of transistor configuration on a circuit

Apr 16, 2005 · Replies 4 · Apr 18, 2005

Replies: 4

Views: 3K

How Do You Model Voltage in a Microwave Structure Using Finite Element Method?

Apr 14, 2005 · Replies 2 · Apr 17, 2005

Replies: 2

Views: 3K

Calculate Resistance Area: P x L/A

Apr 12, 2005 · Replies 10 · Apr 16, 2005

Replies: 10

Views: 5K

Can Solar Technology Realistically Replace All Existing Energy Sources?

Apr 14, 2005 · Replies 11 · Apr 16, 2005

Replies: 11

Views: 4K

Circuit to digitally control a voltage multiplier

Apr 14, 2005 · Replies 1 · Apr 16, 2005

Replies: 1

Views: 4K

Active Second-order low-pass Butterworth filter

Apr 13, 2005 · Replies 1 · Apr 16, 2005

Replies: 1

Views: 18K

Removing rev limiter on small two stroke

Apr 13, 2005 · Replies 4 · Apr 14, 2005

Replies: 4

Views: 10K

Does Voltage or Wattage Affect Electric Heater Efficiency?

Jan 10, 2005 · Replies 4 · Apr 14, 2005

Replies: 4

Views: 6K

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

Apr 13, 2005 · Replies 1 · Apr 14, 2005

Replies: 1

Views: 2K

Urgent: Help Needed on Ampere's Law Probolem (Totally Lost)

Apr 13, 2005 · Replies 2 · Apr 13, 2005

Replies: 2

Views: 2K

Why is Tossing a Toaster into a Bath Dangerous?

Feb 2, 2005 · Replies 16 · Apr 13, 2005

Replies: 16

Views: 26K

Learning about self-excited and separate shunt generators

Feb 28, 2005 · Replies 2 · Apr 13, 2005

Replies: 2

Views: 9K

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

Apr 11, 2005 · Replies 3 · Apr 13, 2005

Replies: 3

Views: 13K

Common Electrical misconceptions?

Mar 23, 2005 · Replies 37 · Apr 12, 2005

2

Replies: 37

Views: 10K

Understanding Vout Waveform and Voltage Ripple in Voltage Multiplier Circuits

Apr 10, 2005 · Replies 6 · Apr 11, 2005

Replies: 6

Views: 12K

AC Circuits: Signal Speed & Wavelength Calculation

Apr 9, 2005 · Replies 5 · Apr 11, 2005

Replies: 5

Views: 6K

Solving Phasor Circuit: Finding Theta

Apr 8, 2005 · Replies 5 · Apr 11, 2005

Replies: 5

Views: 8K

Understanding Edge-Triggered & JK Flip Flops

Apr 6, 2005 · Replies 7 · Apr 11, 2005

Replies: 7

Views: 4K

Are Voltage Sources and Current Sources Interchangeable in Transistor Circuits?

Apr 7, 2005 · Replies 16 · Apr 10, 2005

Replies: 16

Views: 13K

Optimizing Audio Signals: Tips for Lagging and Synchronizing Electric Waves

Apr 3, 2005 · Replies 5 · Apr 10, 2005

Replies: 5

Views: 3K

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

Mar 14, 2005 · Replies 31 · Apr 10, 2005

2

Replies: 31

Views: 27K

How Can I Simulate FM Modulation in Pspice?

Mar 29, 2005 · Replies 1 · Apr 10, 2005

Replies: 1

Views: 9K

Why is my circuit tester showing an open ground after rewiring my old house?

Mar 13, 2005 · Replies 8 · Apr 10, 2005

Replies: 8

Views: 23K

[VHDL] Xilinx Multi-source error

Apr 3, 2005 · Replies 1 · Apr 9, 2005

Replies: 1

Views: 8K

Antenna Amplitude: Factors Affecting Wave Size

Apr 6, 2005 · Replies 6 · Apr 9, 2005

Replies: 6

Views: 3K

How can I determine the junction area of a diode?

Apr 6, 2005 · Replies 1 · Apr 9, 2005

Replies: 1

Views: 9K

How to build a transformer and find core

Apr 4, 2005 · Replies 3 · Apr 8, 2005

Replies: 3

Views: 14K

Optical fiber transmitter and receiver (photodarlington)

Apr 7, 2005 · Replies 1 · Apr 8, 2005

Replies: 1

Views: 4K

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

Apr 7, 2005 · Replies 3 · Apr 7, 2005

Replies: 3

Views: 2K

Calculating CD Requirements for a 39-Hour Music Collection

Apr 6, 2005 · Replies 1 · Apr 7, 2005

Replies: 1

Views: 2K

How does sound travel from the musical device to the heaphone

Apr 6, 2005 · Replies 7 · Apr 6, 2005

Replies: 7

Views: 6K

What's the Distinction Between Electrical and Electronics?

Mar 20, 2005 · Replies 7 · Apr 5, 2005

Replies: 7

Views: 2K

Question about frequency counters and circuits

Apr 2, 2005 · Replies 4 · Apr 5, 2005

Replies: 4

Views: 2K

RC circuit with complex exponential

Apr 2, 2005 · Replies 9 · Apr 5, 2005

Replies: 9

Views: 6K

What Are the Limits of Frequency and Current for Wireless Device Antennas?

Apr 2, 2005 · Replies 5 · Apr 5, 2005

Replies: 5

Views: 2K

Magnetic Fields & RFID: Rolling to Detect

Apr 4, 2005 · Replies 1 · Apr 5, 2005

Replies: 1

Views: 3K

Want to increase the Output current from soalr panel

Mar 31, 2005 · Replies 8 · Apr 5, 2005

Replies: 8

Views: 8K

Troubleshooting VHDL Circuit: Undefined Symbol in Line 30

Mar 8, 2005 · Replies 2 · Apr 3, 2005

Replies: 2

Views: 8K

Revolutionizing Fuel with Water Fuel Converters - Electrolysis Made Simple

Apr 2, 2005 · Replies 2 · Apr 2, 2005

Replies: 2

Views: 2K

How Does a Game Boy Circuit Board Function?

Mar 26, 2005 · Replies 3 · Apr 1, 2005

Replies: 3

Views: 18K

Counter-example to Nyquist's Sampling Theorem?

Mar 23, 2005 · Replies 5 · Apr 1, 2005

Replies: 5

Views: 7K

Book for knowing about electricity

Dec 19, 2004 · Replies 5 · Mar 31, 2005

Replies: 5

Views: 3K

What Books and Websites Are Best for Learning Digital Electronics?

Mar 20, 2005 · Replies 2 · Mar 31, 2005

Replies: 2

Views: 2K

Good books for Circuit Analysis?

Mar 25, 2005 · Replies 2 · Mar 31, 2005

Replies: 2

Views: 17K

Mounting a PA Speaker in Rain: Josh's Question

Mar 31, 2005 · Replies 2 · Mar 31, 2005

Replies: 2

Views: 2K

3rd order low pass Butterworth active filter

Mar 29, 2005 · Replies 3 · Mar 31, 2005

Replies: 3

Views: 23K

Create a Homemade Solenoid: Electrical Theory

Jul 28, 2004 · Replies 12 · Mar 30, 2005

Replies: 12

Views: 5K

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

Mar 28, 2005 · Replies 8 · Mar 30, 2005

Replies: 8

Views: 7K

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

Mar 21, 2005 · Replies 7 · Mar 29, 2005

Replies: 7

Views: 35K

AM Transmitter and Receiver Circut

Mar 28, 2005 · Replies 2 · Mar 29, 2005

Replies: 2

Views: 5K

Can I Install a Computer in My Car?

Mar 25, 2005 · Replies 4 · Mar 26, 2005

Replies: 4

Views: 5K

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

Mar 9, 2005 · Replies 15 · Mar 26, 2005

Replies: 15

Views: 10K

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

Mar 23, 2005 · Replies 2 · Mar 24, 2005

Replies: 2

Views: 3K

Find a Servo Controller for Your Project

Mar 22, 2005 · Replies 3 · Mar 23, 2005

Replies: 3

Views: 4K

Books on practical electronics?

Mar 16, 2005 · Replies 2 · Mar 23, 2005

Replies: 2

Views: 7K

Anybody have experience with small solenoids?

Mar 17, 2005 · Replies 7 · Mar 21, 2005

Replies: 7

Views: 13K

Magnetic Analysis Program for Homebuilt Generator - Power Increase?

Jan 17, 2005 · Replies 3 · Mar 20, 2005

Replies: 3

Views: 3K

Cost of Capacitive sensor and Tachogenerator

Mar 17, 2005 · Replies 2 · Mar 18, 2005

Replies: 2

Views: 5K

Solving Impedance Matching Problem Connecting TTL Output to Spartan2 FPGA

Mar 16, 2005 · Replies 3 · Mar 17, 2005

Replies: 3

Views: 4K

Convolution Sums: Understanding the Input & Output Signals

Feb 1, 2005 · Replies 7 · Mar 16, 2005

Replies: 7

Views: 5K

How would you test the lifetime of a light bulb?

Mar 5, 2005 · Replies 13 · Mar 16, 2005

Replies: 13

Views: 7K

Capacitor/Inductor Imaginary Numbers

Feb 26, 2005 · Replies 3 · Mar 16, 2005

Replies: 3

Views: 5K

Electrical Engineering

Electrical engineering is a discipline within engineering that focuses on the study and application of electricity, electronics, and electromagnetism. Electrical engineers design, develop, and maintain systems and devices that utilize electrical power, ranging from small-scale electronics to large power distribution networks. The field encompasses a diverse range of technologies, including telecommunications, signal processing, control systems, and power generation.

Electrical engineers play a crucial role in advancing technology, contributing to innovations such as computers, smartphones, renewable energy systems, and electric vehicles. Their work involves a combination of theoretical understanding, mathematical modeling, and practical application to create solutions that power the modern world.

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