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

Why is the function y=x(2t) not time-invariant?

  • Bassalisk
  • · Replies 9 ·
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9

Noob needs help designing a simple on/off timing circuit

  • studbike
  • · Replies 5 ·
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5
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9

BJT: Emitter-Base & Base-Collector Fwd Biased w/ 0.7V: Ic, Vce?

  • dexterdev
  • · Replies 10 ·
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10

Why does a PhD in CompE command so much more $$$

  • Poopsilon
  • · Replies 1 ·
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1

Some questions about Radio signals.

  • ndesk1900
  • · Replies 3 ·
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3

How to represent an inductive circuit

  • jwriter
  • · Replies 20 ·
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20

What is causing the unexpected behavior in my Darlington pair circuit?

  • jono20
  • · Replies 5 ·
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5

How Does a Zener Shunt Regulate for Drop in Voltage?

  • fonz
  • · Replies 2 ·
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2

Sending strong electric currents through seawater

  • taybot
  • · Replies 41 ·
2
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41

High Current Low Voltage Power Source

  • Clickster
  • · Replies 16 ·
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16

A way to send and receive wireless data

  • ahmadicabara
  • · Replies 2 ·
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2

Difference between Grid and Sub-station

  • sirsajid
  • · Replies 3 ·
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3

In logical gates - can I combine signals without a gate?

  • Femme_physics
  • · Replies 14 ·
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14
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16

Digital circuits 2-input multiplexer implemented into an and gate

  • lcr2139
  • · Replies 1 ·
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1

Should I Add a Suppressor to My Elderly Neighbour's New Convector Heater?

  • AlephZero
  • · Replies 19 ·
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19

Help w/ Single Phase AC Motor wiring? (not HW)

  • MotorNewb
  • · Replies 4 ·
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4

What is the Difference Between Reactive and Apparent Power?

  • acpower89
  • · Replies 2 ·
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2

Electrolysis: compensating for increasing current

  • alf_garnett
  • · Replies 2 ·
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2

How To Superimpose AC Signal Onto DC Line?

  • orgonefred
  • · Replies 3 ·
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3
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1

Electrical tecqniques in food Sterilization

  • Hesham29
  • · Replies 1 ·
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1

Convert 5V Square Wave to 24V at 1MHz with 2N2222

  • likephysics
  • · Replies 23 ·
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23

Square wave to sine wave conversion

  • sandhiagu
  • · Replies 9 ·
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9

'floating' DC supply design needed

  • sophiecentaur
  • · Replies 7 ·
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7

Finding the Early voltage from the 2N5551 datasheet

  • gnurf
  • · Replies 8 ·
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8
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2

Shorting of digital high and ground

  • Physicslearner500039
  • · Replies 2 ·
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2

What Are Innovative Thesis Topics in Renewable Energy?

  • jemilyn
  • · Replies 10 ·
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10

The CT complex exponential is NOT periodic

  • fishingspree2
  • · Replies 4 ·
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4
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1

Electrical Engineering Companies

  • kElect
  • · Replies 1 ·
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1

How to Remove Electron Gun from CRT?

  • psktam
  • · Replies 1 ·
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1

What are the disadvantages of having low power factor?

  • sirsajid
  • · Replies 6 ·
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6

How to know a strain gauge's accuracy?

  • GProgramer
  • · Replies 18 ·
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18
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2

Capacitor loop with no resistance ?

  • DocZaius
  • · Replies 4 ·
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4

Voltage/Current Relation That I Having Problems With

  • wirebiter
  • · Replies 6 ·
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6

Calculation of core losses of a transformer

  • clint222
  • · Replies 23 ·
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23

How Can I Troubleshoot an Averatec 2300 with No Video Output?

  • Nerdreaper404
  • · Replies 5 ·
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5

Voltages across capacitor,inductor for ac voltages

  • zak8000
  • · Replies 4 ·
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4

Meaning of simple set-up (LOGIC board)

  • sandy.bridge
  • · Replies 4 ·
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4

Core material selection to achieve desired inductance of a coil?

  • hobbs125
  • · Replies 2 ·
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2

Electromagnet pulse coil powered by static charge

  • Jdo300
  • · Replies 6 ·
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6

Diesel Emergency Generator Amp Load

  • lexus31rus
  • · Replies 33 ·
2
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33

Motor required for spin casting, 10-100rpm

  • tiviny
  • · Replies 38 ·
2
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38

PID Control Doubt: Tuning Proportional, Integral & Derivative Gains

  • rama1001
  • · Replies 1 ·
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1

Where Are the Terminals on a Colpitts Oscillator?

  • baconman71
  • · Replies 4 ·
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4

Alternating Current: Cant understand the question

  • Toyona10
  • · Replies 2 ·
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2

Heating frozen water pipes by induction?

  • sgphysics
  • · Replies 4 ·
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4

Will this circuit protect my MOSFET from ESD?

  • ¡MR.AWESOME!
  • · Replies 6 ·
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6

Merits and Demerits of 50HZ and 60HZ AC system

  • sirsajid
  • · Replies 4 ·
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4
  • Poll Poll

Can a 48V & 32Amp Battery operate Two Hub Motors of 36V each (750W)?

  • NaarImam
  • · Replies 1 ·
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1

Hi all, I have a 90kva 3 phase 440volt/220volt stepdown

  • spider2127
  • · Replies 8 ·
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8

A doubt regarding saturation mode of BJT

  • dexterdev
  • · Replies 3 ·
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3

USB output characteristics / optocouplers

  • JJ91
  • · Replies 2 ·
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2

Low RPM, high torque DC motor help

  • UR_Correct
  • · Replies 7 ·
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7

Can I Design a Transformer Coil with These Specifications?

  • hobbs125
  • · Replies 3 ·
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3

Connect 3.55mm Leads w/o Solder: Male TRS Connector

  • geoduck
  • · Replies 2 ·
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2

How to get 12 volts from electrical outlet?

  • ylzxu456
  • · Replies 8 ·
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8
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4

What's the capacitance of a typical car's battery?

  • fbs7
  • · Replies 10 ·
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10

How power imported or exported using grids between two or more state?

  • Srini karthik
  • · Replies 1 ·
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1

Application and Limitation of Fourier Analysis

  • I_am_learning
  • · Replies 2 ·
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2

Creating an Optic Cable for Display Devices: Feasibility and Process

  • Alex_Sanders
  • · Replies 8 ·
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8
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6

Input impedance of a device under large AC signal

  • ghost613
  • · Replies 5 ·
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5

What happens in a circuit that has a capacitor in parallel with a diode?

  • Storm Butler
  • · Replies 4 ·
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4

Supercapacitor Safety: Read About Currents, Failure Modes & More

  • Artlav
  • · Replies 1 ·
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1

Explanation of band diagram of MOSFET

  • ohopu
  • · Replies 1 ·
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1

Engineering Advice: Guidance for EE Students Seeking Biotechnology

  • FluxFlowers
  • · Replies 3 ·
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3

Resistor overheated and melted color code, how do I determine type?

  • quinnvanorder
  • · Replies 22 ·
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22

What am I supposed to know to start my BSEE studies?

  • Wolverine31
  • · Replies 11 ·
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11

How much bulge means a bad cap?

  • Integral
  • · Replies 12 ·
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12

Need some help on Circuit modeling(1 sample)

  • genxium
  • · Replies 3 ·
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3

How can I test dubious ground or neutral wires

  • ebeowulf17
  • · Replies 7 ·
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7

What is the difference between Trancducer and transponder?

  • sirsajid
  • · Replies 1 ·
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1

Understanding KVarh and KWh: What Do These Measurements Mean?

  • brstilson
  • · Replies 20 ·
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20

6 Transistors: Why More is Better?

  • sandy.bridge
  • · Replies 1 ·
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1

Digital audio from a sound card

  • FrankJ777
  • · Replies 2 ·
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2

What is needed to drive brushless motor?

  • Bassalisk
  • · Replies 17 ·
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17

Two questions about the dynamics of a laser diode

  • _Shellback
  • · Replies 15 ·
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15

Electromagnets and tuning forks

  • kjsimo8
  • · Replies 2 ·
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2

High speed electric motors specifications

  • ex3mist
  • · Replies 2 ·
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2

Needing a simple microcontroller to program ADC0831

  • satchmo05
  • · Replies 2 ·
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2

Efficiency of domestic induction heater

  • Dipakmohanty
  • · Replies 3 ·
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3

Laplace Transform Help: Solving Equation (1)

  • MHR-Love
  • · Replies 2 ·
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2

Any free simulation programs for transistors, FET and diode circuits?

  • yungman
  • · Replies 20 ·
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20

I need a 12v switch to respond to a 433.92 Mhz signal

  • remy2078
  • · Replies 5 ·
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5

Need help about books from Electrical and Electronic engineers

  • mbsid786
  • · Replies 1 ·
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1

If everybody seems to know how to use wireless free electricity

  • Haroldingo
  • · Replies 15 ·
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15

How should we understand control the voltage, not the current ?

  • Alex_Sanders
  • · Replies 1 ·
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1

Diode voltage drop (connected in parallel with a resistor)

  • amb00
  • · Replies 14 ·
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14

Building a PC: All Parts Needed & Software to Install

  • chrisalviola
  • · Replies 3 ·
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3

Health-Related Topic for Electrical Engineer

  • Hesham29
  • · Replies 8 ·
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8

Can this equation be reduced further?

  • tamtam402
  • · Replies 1 ·
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1

Hi. I'm testing a PMT and I'm surprised by the following. With power

  • Ravaner
  • · Replies 1 ·
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1

How Can I Keep a Light Circuit Powered Briefly After Cutting Power?

  • nafifics
  • · Replies 3 ·
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3

Batteries(and v-sources in general) in parellel

  • Bassalisk
  • · Replies 10 ·
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10