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

Phototransistor Circuit for Motor Control

  • Microhoo
  • · Replies 2 ·
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2

How can I improve the accuracy of my load cell signal output?

  • elixirnova
  • · Replies 2 ·
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2

Basic Questions over the function of Logic Gates

  • perd1t1on
  • · Replies 8 ·
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8

Shifting 0-5V signal to -2.5-2.5V

  • bassplayer142
  • · Replies 7 ·
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7

I'm using pwr-tools software to calculate power and torque.

  • inertiaman63
  • · Replies 1 ·
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1

Is a Small AC Generator Suitable for Running Electronics?

  • gamefreak123
  • · Replies 4 ·
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4

Calculating Wattage Rating for Generator to Power Electric Motor

  • Grabowski
  • · Replies 2 ·
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2

Powering a Half Ton 4x4 Truck: How Many HP Does an Electric Motor Need?

  • Grabowski
  • · Replies 3 ·
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3

Could a PC calabrate a cheap PC mic?

  • Spinnor
  • · Replies 1 ·
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1

Designing a Rocket Controller for Altitude Control

  • one3seven5
  • · Replies 2 ·
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2

Can a Kinked Ethernet Cable Still Function Properly?

  • PeterPumpkin
  • · Replies 2 ·
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2

Powering a small fan with solar panels

  • handychick
  • · Replies 2 ·
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2

Can I Charge A Capacitor While Using It?

  • ijrdn
  • · Replies 9 ·
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9

Darlington pair base current with floating fingers on base

  • vugo
  • · Replies 6 ·
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6

Malfunctioning LeCroy Oscilloscope

  • gnurf
  • · Replies 9 ·
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9

LED vs induction light: which is more promising?

  • Barmaley
  • · Replies 4 ·
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4

Wye or delta, source side power generation and distribution

  • chopficaro
  • · Replies 1 ·
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1

Charging 6V emergency light from 12V bicycle dynamo

  • M Rashid
  • · Replies 1 ·
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1

Is the Sampling Theorem Always Accurate?

  • Negatron
  • · Replies 13 ·
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13

Hi everyone i am dong my project designing a 3d solid state

  • gopikandru
  • · Replies 6 ·
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6

Anyone know how I can build a FM radar gun?

  • drakecai
  • · Replies 9 ·
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9

Maximum current for 9V and 1.5V DC batteries

  • tefavolc
  • · Replies 5 ·
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5

What can you make in different EE specializations?

  • PhysicsHigh
  • · Replies 6 ·
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6

Small device to get voltage from fire

  • bassplayer142
  • · Replies 9 ·
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9

P-channel Mosfet Design for switching of LED display as source

  • rishispr
  • · Replies 8 ·
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8

Transformer Wiring for Triple Phase to Split Phase Conversion

  • chopficaro
  • · Replies 7 ·
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7

Zero State Step Response vs. Step Response in LTI Systems?

  • kirthiga
  • · Replies 1 ·
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1

Who can send me a diagram of a 12dc battery inverted to 220vac thank

  • khisiamer
  • · Replies 1 ·
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1

Explain the basic concept of IGBT inverter ?

  • mandala09
  • · Replies 7 ·
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7

Wiring fan control to heating and cooling circuits

  • vincemash
  • · Replies 1 ·
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1

Constant Power to a Varying Load

  • fobos3
  • · Replies 9 ·
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9

Distance measurement by means of optical interferometry

  • ikatz
  • · Replies 2 ·
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2
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2

High voltage Ac generation to apply to a capacitor

  • Bailiwick
  • · Replies 11 ·
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11

Testing Heating Hot Dog in 900W Microwave Oven

  • gstrom
  • · Replies 8 ·
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8

Why is my state machine output being synthesized away?

  • keith03
  • · Replies 6 ·
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6

Can heat generate triboelectricity?

  • Stanley514
  • · Replies 1 ·
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1

Backup Generator for 90 Apartments: Is My Understanding Right?

  • ariseawake
  • · Replies 3 ·
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3

How to Calculate Heat Generated by Electric Current in Different Materials?

  • Frostfire
  • · Replies 4 ·
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4

Why Does Changing Intervals and Arguments Affect Convolution Integrals?

  • nhrock3
  • · Replies 2 ·
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2

How can I safely use HDD stepper motors for different applications?

  • Lancelot59
  • · Replies 12 ·
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12

First Project - Simple FM Radio/Receiver made Complex

  • Voltman13
  • · Replies 1 ·
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1

Why is the Inducted Voltage Negative in Book B's Dot Convention?

  • degs2k4
  • · Replies 6 ·
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6

What to do with an extra motor?

  • noagname
  • · Replies 7 ·
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7

1X or 10X Passive Voltage Probe?

  • vze3bbyp
  • · Replies 1 ·
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1

Multiplexing 7 high-frequency analog signals with minimal crosstalk

  • Topher925
  • · Replies 14 ·
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14

How to convert dc voltage into higher dc voltage using transformer?

  • tefavolc
  • · Replies 16 ·
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16

Wiring a three pronged rocker switch

  • CYIWON
  • · Replies 5 ·
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5

Ultrasonic in distance measurement

  • newyorker
  • · Replies 16 ·
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16

LTSpice IV simulation speed adjustments

  • ElectroPhysics
  • · Replies 1 ·
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1
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1

Is Using PV Cells for Water Heating a Cost-Effective Solution in Southern UK?

  • sophiecentaur
  • · Replies 3 ·
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3

Image vs. sound quality in videos and audio lectures?

  • Spinnor
  • · Replies 2 ·
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2

Can radio aerials be arranged as point sources in a line for directionality?

  • poor mystic
  • · Replies 65 ·
3
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65

Convert from tripple phase to 120/240

  • chopficaro
  • · Replies 1 ·
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1

Removing moisture from SF6 gas tank with cooling water

  • Hypersphere
  • · Replies 2 ·
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2

Cockroft Walton Capacitor charging circuit.

  • wil3
  • · Replies 13 ·
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13

Why is energy needed to create magnetic flux but not to maintain it?

  • dhruv.tara
  • · Replies 1 ·
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1

Make a Resonant Electrostatic Water Capacitor

  • Farlander
  • · Replies 5 ·
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5

Relation between sensitivity and Q-factor

  • aashishphy
  • · Replies 1 ·
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1

Transistor beta(dc current gain)

  • tefavolc
  • · Replies 5 ·
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5

Make Auto-Switching Device Using Transistor

  • tefavolc
  • · Replies 12 ·
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12

How do transformer turn ratios affect voltage in basic design?

  • mfc5200
  • · Replies 5 ·
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5

High Voltage Amplifier and Frequency Divider

  • TChi
  • · Replies 6 ·
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6

Calculating Complex Power: P+jQ

  • chopficaro
  • · Replies 4 ·
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4

How to increase the current source/sink capacity of a digital PWM signal

  • Mark Merlo
  • · Replies 2 ·
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2

How Does a Metal Sleeve Affect a Solenoid's Inductance?

  • Antimatter90
  • · Replies 1 ·
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1

Electrical resistance of springs

  • CuriousG44
  • · Replies 5 ·
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5

Measuring Voltage with Step-Down Adapters: Questions & Answers

  • whiterabbot1
  • · Replies 3 ·
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3

Building a LED flasher timer circuit from basic components

  • BrackenFernso
  • · Replies 4 ·
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4

Electric field between bands in semiconductors

  • green-fresh
  • · Replies 2 ·
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2

How Effective Is an LM317 in Sequentially Charging Multiple Batteries?

  • krispots
  • · Replies 1 ·
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1

Fix Circuit Board: No Expertise Needed

  • 120rob
  • · Replies 4 ·
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4

Can you insulate bare copper wire with spray enamel for an inductor?

  • Fronzbot
  • · Replies 1 ·
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1

Powering LM741 Op Amp Without -15V Supply

  • Blenton
  • · Replies 4 ·
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4

Designing a Tone Generator for Telecommunications

  • aliaze1
  • · Replies 1 ·
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1

Can solar cells use the same principle as WiFi-based chargers?

  • aladin777
  • · Replies 22 ·
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22

Why Use Sense Resistors in 4-Wire Kelvin Measurements?

  • Tweedle_Dee
  • · Replies 1 ·
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1

Common emitter amp and BJT base-emitter resistance question

  • linear_shift
  • · Replies 4 ·
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4

Generating 40KHz Signal Bursts with 555 Timers

  • cat1cat
  • · Replies 2 ·
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2

Force that holds capacitor plates

  • akhil123
  • · Replies 4 ·
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4

Energy gain in a resonant system

  • maldata
  • · Replies 5 ·
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5

Grounding(Earthing)Resistance Calc.

  • dsky
  • · Replies 5 ·
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5

What are the variables in the core loss power equation?

  • chopficaro
  • · Replies 2 ·
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2

Understanding Efficiency Calculations

  • Vyrwnas
  • · Replies 1 ·
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1

Duplicating the function of an IR remote

  • DaveC426913
  • · Replies 3 ·
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3

Outputting Voltages to a Computer

  • Cesium
  • · Replies 4 ·
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4

Intro to electronics for a physics student

  • barnflakes
  • · Replies 8 ·
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8

Nodal analysis physical problem

  • green-fresh
  • · Replies 7 ·
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7

How does software create mechanical motion?

  • Red_CCF
  • · Replies 7 ·
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7

Capacitor and their behavior in AC

  • dhruv.tara
  • · Replies 7 ·
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7

How to measure heat flow through a wall for thermal conductivity

  • motaz
  • · Replies 2 ·
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2

Core loss calculation - inductor

  • chopficaro
  • · Replies 1 ·
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1

What is the difference between ground and neutral?

  • neduet
  • · Replies 11 ·
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11

Magnetic susceptibility measurement

  • geetika
  • · Replies 2 ·
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2

Do Both Magnets Induce Current in the Coils When Moved Towards Them?

  • 72Zorad
  • · Replies 3 ·
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3

Sugestion for a Electrical energy generation project

  • Mano Jow
  • · Replies 9 ·
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9

Shunt Calibration of a Strain Gauge

  • El Moriana
  • · Replies 2 ·
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2

What Is the Best Wireless Communication Method for Long-Distance RC Vehicles?

  • Lancelot59
  • · Replies 8 ·
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8

Why Does CDMA Utilize Entire Bandwidth for Multiple Users?

  • netizen
  • · Replies 3 ·
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3