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

Amplify Audio with Pencil Cells | Class 11 Student

  • yashket
  • · Replies 1 ·
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1

Design and Build Your Own Transformer: 10 KVA Transformer

  • Averagesupernova
  • · Replies 1 ·
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1

PCB making and design considerations.

  • Hayaichi
  • · Replies 3 ·
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3

How do I find the input Z of a cascaded transmission line?

  • seang
  • · Replies 2 ·
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2

Starting an Engineering Company: Challenges and Rewards

  • david90
  • · Replies 14 ·
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14

Can Anyone Share a Digitized NTSC and PAL Stream File at 27MHz?

  • chroot
  • · Replies 14 ·
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14

Is There a Suitable Driver IC for Large 7-Segment Displays?

  • triden
  • · Replies 11 ·
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11

Wiring a 110V Fan with Low Voltage Thermostat: A Beginner's Guide

  • ZooY151
  • · Replies 8 ·
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8

Are 3.3V Supply Glitches on CPLD Safe for Reliable Performance?

  • j777
  • · Replies 10 ·
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10

Why is inductive reactive power always represented at 90 degrees?

  • Number2Pencil
  • · Replies 6 ·
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6

Noise Reduction System: Preemphasis/Deemphasis Filter

  • Swapnil
  • · Replies 3 ·
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3

Understanding the Role of Resistors in 555 Astable Oscillators

  • tandoorichicken
  • · Replies 2 ·
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2

Converting 110V for 220V Appliance and Phase Distribution

  • erinspice
  • · Replies 7 ·
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7

Is My Circuit Overloaded and Causing the Fuse to Blow?

  • TSN79
  • · Replies 6 ·
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6

Should EE/CSE students take the FE exam?

  • Llama77
  • · Replies 5 ·
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5

Mercury Vapor Lights: Safe Indoor Mounting

  • Averagesupernova
  • · Replies 2 ·
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2

Building Speakers: 8ohm Load with Built-in Crossover Issue

  • darkeagle
  • · Replies 9 ·
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9

OR Gate Circuit: What is the Function of Diodes?

  • Kolahal Bhattacharya
  • · Replies 4 ·
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4

Understanding the Inner Workings of Earphones

  • c2
  • · Replies 3 ·
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3

How do you guys put gates and kmaps into tech papers?

  • seang
  • · Replies 4 ·
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4

Can Two 60W Power Supplies Be Combined to Achieve 15000W Output?

  • Jacquesl
  • · Replies 12 ·
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12

I need a free circuit testing program

  • snowJT
  • · Replies 3 ·
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3

Is a transformer following ohm's law?

  • srishankar18
  • · Replies 5 ·
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5

How can we regulate the power going to our electric car motor?

  • chris10230
  • · Replies 10 ·
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10

Does DC Power literally travels on the surface

  • Robin07
  • · Replies 6 ·
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6

Can Diodes Become Nonlinear and Cause Device Failure at Reverse Breakdown?

  • impendingChaos
  • · Replies 5 ·
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5

Reducing Solenoid Valve On-Time with 24V Supply

  • ionlylooklazy
  • · Replies 4 ·
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4

Topics for electrical engineering ethics

  • frogdogbb
  • · Replies 7 ·
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7

A Level Electronics Project Ideas - WJEC

  • gt89
  • · Replies 8 ·
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8

How to Retrieve Saved Files from ISD2500 Chip?

  • TheCresent
  • · Replies 1 ·
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1

Microchip Breakthrough: Latest Advancements

  • mlowery
  • · Replies 4 ·
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4

Find BPSK Modulator Chip for Project | BPSK Code

  • bearbear
  • · Replies 3 ·
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3

What is the resistance of meter coils?

  • Adder_Noir
  • · Replies 20 ·
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20

Electrical heater using resistors

  • Williams16
  • · Replies 19 ·
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19

New to circuit implementation help

  • vsage
  • · Replies 2 ·
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2

What type of filter should I use to fix my microwave filter problem?

  • waht
  • · Replies 5 ·
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5

Build 3-Phase Sine Wave 2.5-3 MHz Power Supply

  • biff
  • · Replies 12 ·
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12

Is Building an EMP Device Possible?

  • _X3R0_
  • · Replies 17 ·
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17

PSpice Schematic: Drawing a Thermistor & Assigning Voltage

  • ahammervold
  • · Replies 3 ·
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3

How Does a Positive Edge Triggered JK Flip Flop Work?

  • Amith2006
  • · Replies 2 ·
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2

Build Balun Transformer: Beginner Guide

  • Maj
  • · Replies 1 ·
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1

RF emitted from Lightning strikes

  • Jdo300
  • · Replies 6 ·
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6

Ohms Experiment Help for Science Fair | ScienceBuddies.org

  • justinjay24
  • · Replies 9 ·
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9

Pros and cons of MIPS relative to instruction set choices

  • EvLer
  • · Replies 1 ·
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1

Can You Simulate a DC Generator's Performance Using Circuit Models?

  • MaxMoon
  • · Replies 4 ·
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4

Understanding TTL Impulse Outputs

  • zekester
  • · Replies 2 ·
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2
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5

EL gauges and inverter control circuit Help

  • vfinterceptor
  • · Replies 2 ·
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2

Help for this final project-> Phone set for blind people

  • TheCresent
  • · Replies 11 ·
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11

What Happens When a Transmission Line Source is Switched Off?

  • seang
  • · Replies 5 ·
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5

Wanting to build a simple logic device for my motorcycle

  • cougar694u
  • · Replies 10 ·
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10

Affordable Panel Meters for Test Stand w/ Torque, Position & Voltage

  • zekester
  • · Replies 1 ·
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1

Why Doesn't a 1.5V Battery Shock You?

  • IMGOOD
  • · Replies 36 ·
2
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36

What is a 'minimum NAND expression'

  • seang
  • · Replies 2 ·
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2

Ferrite Silcon core pros? & cons? (FeSi)

  • Robin07
  • · Replies 5 ·
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5

Converting Complex Numbers to Polar Form: A Mathematical Explanation

  • Paddy
  • · Replies 4 ·
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4
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1

Convert Waves from Instantaneous to Phasor Form

  • korps
  • · Replies 5 ·
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5

Struggles in school(EE) and some advice needed.

  • Llama77
  • · Replies 13 ·
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13

Signals and Systems coursework help:

  • Kbob08
  • · Replies 3 ·
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3

Radio waves travel at speed of light?

  • LM741
  • · Replies 9 ·
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9

Simple filter circuit: Phase shift

  • 600burger
  • · Replies 4 ·
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4

Power supply and creative inspire 2.1 2500 question

  • saad ahmed khan
  • · Replies 15 ·
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15

EMF canceling in toroidal coil setup

  • Jdo300
  • · Replies 3 ·
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3

IC Configuration Info - 4xxx & 7xxx Series

  • MalayInd
  • · Replies 2 ·
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2

Aluminum Wire Performance: Advantages & Disadvantages

  • ohwilleke
  • · Replies 6 ·
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6

Electric motors and motorcycles battry

  • snaz_86
  • · Replies 4 ·
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4

What are the impt aspects of Control Systems?

  • chipmunk22
  • · Replies 3 ·
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3

Cell phone making random calls?

  • Ivan Seeking
  • · Replies 5 ·
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5

How does positive feedback works in opamp circuits?

  • esmeco
  • · Replies 2 ·
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2

I want to build an electronic device that transmits ultrasound

  • JoshHolloway
  • · Replies 11 ·
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11

Ford-MIT Alliance: Solving Capacity Problems with Ultracapacitors

  • LURCH
  • · Replies 2 ·
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2

Electro Servo Valve: Reasons Why Not Used?

  • wolram
  • · Replies 23 ·
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23

Alternative power source for garage.

  • AD
  • · Replies 28 ·
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28

Reworking a TIX Clock - Get Help Here!

  • blackc2004
  • · Replies 14 ·
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14

High Range Temp Sensor IC with Upper Limit of 400°C?

  • ironcross77
  • · Replies 5 ·
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5

What Does the -1.0 to 1.0 Range in a White Noise Graph Represent?

  • Math Is Hard
  • · Replies 19 ·
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19

How to Rectify 100 Microvolt AC to 1 Volt DC?

  • ironcross77
  • · Replies 11 ·
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11

How to Connect a Motor to MK111 Timer Relay Terminals J2?

  • rc flyer uk
  • · Replies 1 ·
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1

Giant VU Meter Project | University of Kentucky

  • Elektrotechniker
  • · Replies 14 ·
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14

Is There a Programmable Oscillator Chip for Low MHz Range?

  • Jdo300
  • · Replies 5 ·
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5

Dismal Household Wiring Practice

  • FredGarvin
  • · Replies 4 ·
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4

Can I ask some electrical questions?

  • dtpatt2
  • · Replies 14 ·
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14

Understanding Flip-Flops: Analogy & Mechanical Terms

  • HSilva
  • · Replies 6 ·
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6

Troubleshooting C Compiler Error for Philips ARM Microcontroller

  • NCEE
  • · Replies 2 ·
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2

Electrical vs Mechanical Energy

  • JosephB
  • · Replies 2 ·
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2

A causal system? the biggest contradiction

  • LM741
  • · Replies 8 ·
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8

Is Your Christmas Full of Bright LEDS and Fast Transistors?

  • LM741
  • · Replies 3 ·
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3

Application feilds of electrical engines

  • odrom
  • · Replies 2 ·
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2

Is the Routh Stability Test Result Correct for This System?

  • angel23
  • · Replies 7 ·
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7

Aaah - sin(wt) - time or frequency domain?

  • LM741
  • · Replies 16 ·
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16

Questions for EE's who have already graduated from college

  • kcirtap
  • · Replies 7 ·
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7

Strange Effects When Nitinol is Annealed at 300 C electrically

  • scott_alexsk
  • · Replies 3 ·
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3

Good design for a PWM that has a adjustable start current and. .

  • rockstar
  • · Replies 3 ·
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3

Difference between reactive power and reactance

  • rockstar
  • · Replies 2 ·
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2

Help with an h bridge controller

  • rockstar
  • · Replies 3 ·
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3

Understanding MOSFET Logic Gates: Source, Drain & Ground

  • mtanti
  • · Replies 25 ·
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25

Coaxial Cable Impedance: Why Length Doesn't Affect It | Explained with Model

  • antonantal
  • · Replies 7 ·
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7

Discovering Electronics: What Inventors Found Out

  • Knowledger
  • · Replies 4 ·
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4

Light Up 10 LEDs with 100k Log Pot

  • Rolandus
  • · Replies 7 ·
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7