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

Design of an AC adpater for hot-shoe flash - where am I wrong?

  • ZapoTeX
  • · Replies 4 ·
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4

Why don't polarized capacitors spontaneously discharge?

  • Bararontok
  • · Replies 25 ·
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25

Electromagnet telegraph design with steel and iron components

  • Vlfe
  • · Replies 3 ·
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3
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7

Chip detector for neurostimulator RNS

  • Essadaoui_Red
  • · Replies 3 ·
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3

Help identifying an unmarked component on a PCB

  • bigshow1977
  • · Replies 7 ·
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7

Surge protector for EMI protection in place of EMI filter

  • inys
  • · Replies 2 ·
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2

60 ns delay in a faulty connection - how?

  • Borek
  • · Replies 5 ·
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5

Hall Effect Magnetic Flux Sensor in very Strong Magnetic Fields

  • _maxim_
  • · Replies 17 ·
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17

H-Bridge troubles (driving a stepper motor)

  • loamobn1
  • · Replies 1 ·
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1

Looking for an idea for a new product.

  • JerryG
  • · Replies 20 ·
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20

Reading Error by Two Unsynchronized Power Meter

  • ayinaim
  • · Replies 8 ·
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8

Is it possible to run Window$ 3.1 on STM32?

  • Alex_Sanders
  • · Replies 3 ·
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3

Component selection for special purpose amplifier

  • Greg-ulate
  • · Replies 5 ·
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5

How Does a Tesla Coil Work and How to Build One?

  • Dreamius.BPT
  • · Replies 3 ·
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3

How one does make sense of AC circuit's forced response?

  • mt1200
  • · Replies 10 ·
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10

Measure the strength of the signal

  • Physicslearner500039
  • · Replies 2 ·
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2

Noise Calculations for OP27 Op-Amp

  • SamBam77
  • · Replies 18 ·
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18

Microprocessor for stacking inverters

  • elinxie
  • · Replies 3 ·
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3

Calculate Power Usage using device specs

  • paulie walnut
  • · Replies 4 ·
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4

Fourier transform of pulse sequence of varying pulse widths

  • jrive
  • · Replies 1 ·
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1

The whys of Combined Cycle power plants

  • Charles123
  • · Replies 34 ·
2
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34

Improving Power Factor of switching load

  • I_am_learning
  • · Replies 21 ·
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21

Microwave wireless power transmission prototype to charge a phone

  • harshnisar
  • · Replies 3 ·
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3

Question on current draw from an inverter

  • tommy060289
  • · Replies 3 ·
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3

Combining two audio sources, digitally

  • Skaperen
  • · Replies 14 ·
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14

What does the grounding terminal in electrical plugs do?

  • Bararontok
  • · Replies 8 ·
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8

Why +ve terminal of electrolytic caps must be connected to +ve of battery?

  • dexterdev
  • · Replies 3 ·
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3

Schematic for Holographic Projection

  • _maxim_
  • · Replies 3 ·
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3

Surplus electric power in grids

  • Charles123
  • · Replies 21 ·
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21

What is so special about TWO PORT NETWORKS

  • shippo113
  • · Replies 3 ·
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3

I get shock when i touch my electronic equipments

  • Physicslearner500039
  • · Replies 9 ·
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9

Audio amplifier using only 1 op-amp [single supply]

  • Bassalisk
  • · Replies 9 ·
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9

Stewart-Warner 970 tachometer ignition monitor circuit analysis

  • cfauvel
  • · Replies 8 ·
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8

Where can I find a Potentiometer Panel-mount, single-turn, 2K linear

  • Kieranlavelle
  • · Replies 6 ·
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6

Resistor Voltage Drop Concept Question

  • Simon777
  • · Replies 15 ·
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15

Two Frequency Input Solving for Output

  • KasraMohammad
  • · Replies 9 ·
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9

Why is three phase power rare in US homes?

  • Charles123
  • · Replies 3 ·
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3

Monitoring power line conditions

  • Skaperen
  • · Replies 8 ·
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8

How can I fix my soldering iron that won't heat up?

  • Physicslearner500039
  • · Replies 9 ·
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9

How Can I Generate a 2kHz PWM Control with PIC16F84?

  • Essadaoui_Red
  • · Replies 1 ·
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1

Noninverting and inverting voltage amplifiers with variable gain 1-100

  • cyberkaju
  • · Replies 2 ·
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2

How to start hacking electronics

  • jehan60188
  • · Replies 7 ·
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7

About transformer configuration

  • damithfirst
  • · Replies 4 ·
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4

Ignition coil won't spark from mosfet 555 timer circuit

  • pha3z
  • · Replies 11 ·
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11

How does RF power generation and coupling work?

  • beatlemaniacj
  • · Replies 5 ·
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5

Simple Circuit for high power LED

  • selseg
  • · Replies 6 ·
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6

Building a near infrared spectroscopy brain computer interface

  • stanford
  • · Replies 2 ·
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2

Why does my transistor desaturate so slowly

  • Ebola0001
  • · Replies 6 ·
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6
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2

Calculating BJT Dynamic Parameters with Charge Control Equations

  • kyva1929
  • · Replies 1 ·
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1
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1

How to add capacitance in between two points end points of spiral coil?

  • Jeetkumar
  • · Replies 1 ·
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1

Designing an Effective system for lunar robots

  • MonserrateM
  • · Replies 1 ·
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1

Carbon Nanotube FET: Gate Voltage and Conductance

  • w.shockley
  • · Replies 1 ·
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1

DSP on Data Acquired from Agilent Software

  • ZunairaMaryam
  • · Replies 1 ·
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1

Why industrial motors etc need 3 phase power?

  • Charles123
  • · Replies 1 ·
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1

A high power current amplifier circiut?

  • matinking
  • · Replies 1 ·
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1

Paper presentation(Electronics and telecommunication engineering)

  • arvik
  • · Replies 7 ·
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7

Active Noise Cancellation / Soundproofing

  • jonnyb
  • · Replies 4 ·
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4

Using logic gates as inverters and other tricks

  • sandy.bridge
  • · Replies 7 ·
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7

How much power is needed to melt aluminum using induction heating?

  • mustafa01991
  • · Replies 7 ·
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7

How to interpret datasheets? (akak 7-segment displays)

  • jehan60188
  • · Replies 1 ·
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1

1500w 120vac variable power control

  • T Handy
  • · Replies 3 ·
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3

Darlington pairs in parallel failing when sharing 140 mA each at 165 V

  • rnbd81
  • · Replies 2 ·
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2

PWM circuit for battery and supercapacitor load sharing

  • shanver
  • · Replies 4 ·
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4

How to physically invert sound waves for destructive interference

  • Bluestribute
  • · Replies 15 ·
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15

Can Bluetooth Replace IR in TV Remotes?

  • bhaazee
  • · Replies 5 ·
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5

Detecting resonance Q factor with a change in dielectric properties.

  • DragonPetter
  • · Replies 2 ·
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2

Some basics of power loss and voltage drop in cables

  • tommy060289
  • · Replies 8 ·
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8

What actually completes a circuit? Ground vs return.

  • Elquery
  • · Replies 13 ·
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13

Is It Possible to Extend Flame Duration Beyond 100% Duty Cycle?

  • rama1001
  • · Replies 3 ·
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3

Flux lines in diametrically magnetized cylinder

  • Awfulwaffle
  • · Replies 3 ·
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3

Does Resistance Decrease Over Time for Metal Resistors?

  • kahwawashay1
  • · Replies 3 ·
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3

New MITx Circuits and Electronics course starting March 2012

  • nobahar
  • · Replies 6 ·
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6

Vibration motor won't work with potentiometer voltage divider

  • nani_student
  • · Replies 5 ·
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5

Figuring out motor power needed

  • Corporate666
  • · Replies 2 ·
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2

Connecting a 9v AC Circuit to a 9v Battery

  • AlexJames
  • · Replies 9 ·
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9
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3

Inducatnce and Capacitance calculation for rectangular spiral coil

  • Jeetkumar
  • · Replies 4 ·
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4

Decreasing Capacitor charge time

  • poekrel
  • · Replies 1 ·
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1

Multiplying Voltage for Coil Gun - DIY Project

  • poekrel
  • · Replies 3 ·
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3

Building a coil for generating ELF magnetic fields

  • GVP
  • · Replies 4 ·
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4

How does alternating current produce a sine wave over time?

  • Annabell
  • · Replies 35 ·
2
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35
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3

(QUESTION) electric motor nature

  • hondaman520
  • · Replies 8 ·
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8

How does path loss affect wireless transmission?

  • Fischer777
  • · Replies 17 ·
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17

Calculating heat output from current

  • timsea81
  • · Replies 4 ·
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4

How do I relate flux equation to transformers?

  • pghaffari
  • · Replies 12 ·
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12

How can improve voltage quality?

  • upendra badal
  • · Replies 2 ·
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2

Difference between neutral and ground

  • sirsajid
  • · Replies 55 ·
2
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55

Current through Voltage in a Transfer Function

  • KasraMohammad
  • · Replies 2 ·
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2

Difference between Pulse Wave and PWM ?

  • Etude
  • · Replies 2 ·
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2

Controlling radio wave transmission distance with frequency and power

  • harshnisar
  • · Replies 14 ·
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14

Questions about frequency and pattern

  • beatlemaniacj
  • · Replies 4 ·
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4

Difference between Oudin coil and Tesla coil

  • Fischer777
  • · Replies 1 ·
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1

Finding 4-pin connectors with pre-crimped wires for micromouse project

  • AppleBite
  • · Replies 1 ·
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1

MOSFETs and floating gate potential

  • sandy.bridge
  • · Replies 11 ·
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11
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9

Where to buy 8 and 11-pin contact relays cheaply

  • sangara
  • · Replies 1 ·
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1