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

Display 1V - 1uV Voltages Without Microcontrollers

  • almn22
  • · Replies 11 ·
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11

Engineering Books for Logic Gates, Boolean Algebra, etc.

  • kevinf
  • · Replies 3 ·
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3

Lossless transmission line and a lossless antenna

  • Wannabeagenius
  • · Replies 4 ·
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4

Does this burglar alarm circuit design function correctly?

  • swty todd
  • · Replies 5 ·
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5

Omni-directional Antenna Questions

  • cf8
  • · Replies 13 ·
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13

How Do Energy Meters Use Power Lines for Communication?

  • dk99
  • · Replies 3 ·
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3

Understanding Transformer Core Loss under Increasing Load on Secondary

  • neduet
  • · Replies 4 ·
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4

What areas of study does electrical engineering cover

  • land_of_ice
  • · Replies 3 ·
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3

Need a mecanical generator for experimentation.

  • mzr99
  • · Replies 5 ·
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5

Can You Create a Quantum CPU?

  • jwxie
  • · Replies 1 ·
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1

How do you compare AC currents of the same frequency for equality?

  • dk99
  • · Replies 7 ·
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7

Solving Voltage Drop Problem on Robotics Project

  • robotnut
  • · Replies 5 ·
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5

Radio-Emitting LEDs: Can It Be Done?

  • univeruser
  • · Replies 5 ·
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5

How Elctric signals are converted into Electormagnetic signals?

  • rraj.be
  • · Replies 4 ·
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4

Digital Logic - Timing Analysis

  • ECE
  • · Replies 4 ·
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4

Charging 12V from 12V, but limiting the current

  • Gold5th
  • · Replies 28 ·
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28

Filter specifications, conversion between them

  • cubeleg
  • · Replies 4 ·
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4
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9

Using pager motor in RC car receiver to build pocket vibrator

  • trip6
  • · Replies 3 ·
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3

Trying to see if I understand Ohms law

  • open
  • · Replies 4 ·
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4

What does filter length mean in DSP?

  • rraj.be
  • · Replies 8 ·
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8
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1

Disabling Op-Amp ICs - Is Cutting Supply or Ground OK?

  • Jdo300
  • · Replies 4 ·
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4

Understanding 110/220V Transformers and Designing Linear 24V 3A DC Power Supply

  • likephysics
  • · Replies 2 ·
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2

Buidling this circuit Drawdio (again)

  • k_squared
  • · Replies 4 ·
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4

Common-drain small signal analysis with C1 feedback capacitor

  • dalarev
  • · Replies 10 ·
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10

Resistor: Low Heat Capacity, Low TCR, Constant heat dissipation

  • marklv87
  • · Replies 4 ·
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4

How to estimate the Rating of Transformer

  • otomanb
  • · Replies 1 ·
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1

Voltage Translation: Can a Capacitor Do It?

  • Ravaner
  • · Replies 3 ·
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3

Multiway Switching with 3 Switches: Possible?

  • raynard
  • · Replies 1 ·
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1

Relation between un-balanced loading and transformer loss

  • b.shahvir
  • · Replies 14 ·
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14

Master-Slave Current Regulator

  • Jdo300
  • · Replies 6 ·
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6

Design of Photovoltaic pumping system

  • sciencefan
  • · Replies 11 ·
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11

How can regenerative braking be used to save energy in trains?

  • trideon
  • · Replies 8 ·
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8

Is Wireless Power Transmission Viable for Offshore Technologies Today?

  • I_am_learning
  • · Replies 20 ·
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20

How to Cascade Two Sets of 4-bit JK Flip-Flop Counters?

  • KAS90
  • · Replies 3 ·
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3

LED lights cut out when winch or cooling fan activates on stator system

  • CLARKMP
  • · Replies 9 ·
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9

Find the Right Terminal Block for Undercabinet Wiring

  • MacLaddy
  • · Replies 7 ·
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7

How Do Transformers Work with Ohm's Law?

  • Lsos
  • · Replies 1 ·
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1

Too much noise in Embedded system?

  • Wetmelon
  • · Replies 4 ·
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4

Catastrophic failure SF6 Circuit Breaker

  • BIGEYE
  • · Replies 8 ·
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8

Charging lithium-ion cell from a current limited voltage source

  • gnurf
  • · Replies 2 ·
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2

How long will a 500Ah 12V battery power an 11A sump pump?

  • XsnidalX
  • · Replies 9 ·
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9

Piezoelectric Energy Harvester Project

  • JMack23
  • · Replies 1 ·
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1

Power Calculations for Home made generator

  • keith03
  • · Replies 4 ·
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4

Electromagntic fields in a high voltage line

  • Radinax
  • · Replies 9 ·
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9

Why pulse solid-state IR sources in gas detection systems

  • skuntz
  • · Replies 2 ·
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2

J835L stepper motor vibrates with ULN2003A driver

  • neergmas
  • · Replies 3 ·
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3

AC Circuit Analysis with phasors- tutorials/video lectures?

  • vaporize
  • · Replies 1 ·
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1
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1

Finding a small radioactive particle sensor for air monitoring

  • ws0619
  • · Replies 7 ·
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7

What Are the Best BJTs for a 17.5 MHz Pulse Input Application?

  • VASANSNS
  • · Replies 3 ·
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3

How do I design an accelerometer for a motor?

  • koneur
  • · Replies 9 ·
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9

Calculate Total Impedance Quickly in Series Circuit

  • weedannycool
  • · Replies 4 ·
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4

Slowing a Dayton single phase AC motor by reducing frequency

  • Shadrack
  • · Replies 8 ·
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8

Reasons why horizontal sync on LCD is erratic

  • tundrawolf
  • · Replies 5 ·
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5

PM generator direction vs. polarity

  • colintonks
  • · Replies 7 ·
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7

Negative terminal vs Ground. Double definitions?

  • tampora
  • · Replies 27 ·
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27

Do Step-Up Transformers Reduce Electricity Availability for Neighbors?

  • waterchan
  • · Replies 1 ·
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1

How Can I Charge Series NiMH Batteries In-Circuit?

  • Jdo300
  • · Replies 4 ·
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4

Can flux pass through any medium?

  • otomanb
  • · Replies 4 ·
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4

What is the correct polarity for a phone charger cord?

  • zoobyshoe
  • · Replies 4 ·
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4

Trying to make a parallel plate capacitor

  • mathew086
  • · Replies 59 ·
2
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59

RMS power calculation with square wave voltage and sine wave current

  • famousken
  • · Replies 6 ·
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6
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8

Repairing a battery-powered electric cat toy

  • Neopets
  • · Replies 3 ·
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3

Learning basic electronics to build guitar pedals and amps

  • SrEstroncio
  • · Replies 2 ·
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2

Charging Capacitor with 12v battery

  • JackL
  • · Replies 12 ·
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12

Build Direction Finder Apparatus Under £100

  • wolram
  • · Replies 12 ·
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12
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3

Where is the Earth Pin Connected in a Laptop Power Converter?

  • likephysics
  • · Replies 9 ·
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9

Where can I find information on building a cell phone?

  • Hyperreality
  • · Replies 5 ·
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5

Electrical Engineering: Past and Present

  • Jurrasic
  • · Replies 4 ·
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4

Motion control for a rotating a cylinder

  • Whynotreuse
  • · Replies 5 ·
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5

Powering solenoid valve in hazardous area

  • jesse69
  • · Replies 15 ·
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15

Does SNR change when analog and digital receiver gains double the signal?

  • Charles77
  • · Replies 10 ·
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10

How does the positive plate form when charging a capacitor?

  • david888lee
  • · Replies 2 ·
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2

What is the Symbol for the Yellow Electronic Component?

  • weitao
  • · Replies 8 ·
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8

Application of a frequency comparator in speed monitoring systems

  • kautilya
  • · Replies 1 ·
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1

Best way to produce 1 million volts dc

  • reddevil2576
  • · Replies 50 ·
2
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50

Operation Amplifiers for high frequency application

  • pooyan
  • · Replies 17 ·
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17

Intergrator/Differential Op-Amp Frequency

  • big_tobacco
  • · Replies 3 ·
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3

Simple model of electrostatic trap

  • th5418
  • · Replies 1 ·
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1

Free software for microwave simulation?

  • Ulysees
  • · Replies 9 ·
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9

Higest speeds possible from solenoids

  • Grego Howard
  • · Replies 2 ·
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2

Cheaper Alternative to FlexiForce Sensor

  • geolej
  • · Replies 3 ·
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3

How to come up with ideas for electrical engineering projects

  • nisargphysics
  • · Replies 4 ·
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4

What Programs Do Engineers Use for Circuit and Chip Design?

  • maxsthekat
  • · Replies 2 ·
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2

Low-Noise, Low-Power, Low-Voltage; Mixed-Mode Design with CAD Tools;

  • Areky_qin
  • · Replies 1 ·
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1

What is the Symbol for the Black Electronic Component?

  • weitao
  • · Replies 6 ·
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6

What is the Symbol for the SJC27145A Remote Control Circuit?

  • weitao
  • · Replies 3 ·
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3

Suggested ICs for Outdoor Speaker Sound Level Meter

  • zafranax
  • · Replies 10 ·
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10

Why does my CT2A05 diode get warm at 162mA?

  • ramonegumpert
  • · Replies 4 ·
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4

Creating Electricity with a Motor and Bike Tire

  • skilet
  • · Replies 6 ·
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6

How do high voltage surges affect lightbulbs?

  • labview1958
  • · Replies 4 ·
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4

Can a USB Relay Be Controlled Without a Microcontroller?

  • barderer
  • · Replies 8 ·
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8

Seeking Heating Element: 5 cm x 5 cm, 293-373 K

  • Excom
  • · Replies 3 ·
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3

Why use a combination of capacitors in decoupling circuits?

  • lennybogzy
  • · Replies 2 ·
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2

Charging nimh AAA batteries in series

  • ramonegumpert
  • · Replies 5 ·
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5

What is the function of a copper-coil electronic component?

  • weitao
  • · Replies 3 ·
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3