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

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6

Three phase induction generator on a single phase supply

  • dec335
  • · Replies 8 ·
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8

Converting 0-5V to 4-20mA using a Howland Current Pump for Scientists

  • DaineAtkins
  • · Replies 4 ·
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4

Generating 9MHz clock for LCD from 50MHz FPGA clock

  • Feldoh
  • · Replies 6 ·
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6

What Are We Doing About The Next Big Geomagnetic Storm?

  • Nspyred
  • · Replies 4 ·
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4

How to determine the output impedance of cmos gates?

  • likephysics
  • · Replies 8 ·
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8

Building an electron multiplier tube

  • tyrant91101
  • · Replies 1 ·
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1

How to attenuate an already amplified output?

  • chebyshevF
  • · Replies 3 ·
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3

Neodymium magnet thickness to hold fridge door safely

  • m iket
  • · Replies 1 ·
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1

Building a NEO Magnet Magnetizer

  • EddieO
  • · Replies 3 ·
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3

How does a fingerprint recognition circuit work?

  • engineerj2010
  • · Replies 2 ·
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2

Electromagnetism-wave polarization

  • johndoe
  • · Replies 1 ·
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1

Why is there resistor R2 connecting output and input of op amp?

  • Hyperspace2
  • · Replies 12 ·
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12

How Can I Develop an Adjustable Current Pulse Generator Circuit?

  • kylecivicsi
  • · Replies 3 ·
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3

Where to find 8051 microcontroller code examples

  • niko2000
  • · Replies 7 ·
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7

Work in Electronic Design/PCB Design from Home - Is It Possible?

  • hisham.i
  • · Replies 1 ·
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1

Practical uses of op amp subtractor, integrator, differentiator and inverter

  • Hyperspace2
  • · Replies 8 ·
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8

Parking sensors for a motorcycle with separate transmitter and receiver

  • marke2105
  • · Replies 9 ·
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9

My IEC Contactor Coil keeps overheating

  • epcole
  • · Replies 2 ·
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2

Confusion with voltage polarities in circuit analysis.

  • hassanjaved
  • · Replies 3 ·
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3

Heating an Antarctic shelter with wind power and batteries

  • derryck1234
  • · Replies 15 ·
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15

Automatically Charging and Discharging a Capacitor

  • HyperSniper
  • · Replies 4 ·
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4
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4

Do convolving two high frequency signals produce a high frequency result?

  • boredaxel
  • · Replies 2 ·
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2

What does 0.7V silicon or 0.3V germanium diode mean?

  • amaresh92
  • · Replies 3 ·
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3

What is the significance of phase inversion in an operational amplifier?

  • Hyperspace2
  • · Replies 5 ·
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5

How can I add an end switch to carraige system

  • epcole
  • · Replies 2 ·
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2

Where can I find reliable information on electromagnets?

  • Drakkith
  • · Replies 3 ·
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3

Reducing Gap Around IC Chip Pins for 0.5mm Track

  • hayowazzup
  • · Replies 1 ·
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1

Building a variable frequency ultrasonic dog repeller for 30ft range

  • JCDoherty
  • · Replies 3 ·
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3

High-Precision Timer: Solving a 500ps Accuracy Challenge

  • Scott Nelson
  • · Replies 5 ·
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5

Magnetic and nonmagnetic medium on wave propagation

  • johndoe
  • · Replies 1 ·
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1

What is the circuit desighn within op amp?

  • Hyperspace2
  • · Replies 8 ·
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8

Motor for steering a laser beam

  • maxsthekat
  • · Replies 3 ·
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3

Resistance of wire changes between tests?

  • icekin
  • · Replies 10 ·
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10

How Can I Adjust Vcc to Correct a 10V Output on my Amp Power Supply?

  • unknown_2
  • · Replies 9 ·
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9

How to derive XOR from only NOR gates

  • Glavata
  • · Replies 2 ·
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2

How to operate a 3-ph, 440V equipment using 1-ph, 230V supply?

  • Groovster
  • · Replies 11 ·
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11

How Does a Class C Frequency Multiplier Work?

  • skoomafiend
  • · Replies 1 ·
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1

Electricity Saving and Me, also about blown fuses.

  • High_Voltage
  • · Replies 1 ·
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1

Book recommendations for learning smart grids from basics

  • roTTer
  • · Replies 3 ·
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3

Accurate Capacitance Meter Reccomendations

  • lennybogzy
  • · Replies 9 ·
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9

Is 11.60 Volts the Total or Partial Voltage Induced in a Coil?

  • jearls74
  • · Replies 7 ·
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7

Can a DC drive provide constant torque at varying motor speeds?

  • david90
  • · Replies 7 ·
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7

Actual meaning of transistor transfer the resistance

  • amaresh92
  • · Replies 3 ·
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3

What Computational Tools Are Used in EE for Solid-State and Laser Research?

  • creepypasta13
  • · Replies 3 ·
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3

How Can a Sensor Detect Green LED States?

  • dsimp
  • · Replies 6 ·
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6
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3
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2

Using an inverter to run a camping fridge

  • roro36
  • · Replies 15 ·
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15

Two Parallel Voltage sources and KVL

  • ecy5maa
  • · Replies 2 ·
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2

Understand the Function of this Circuit

  • waht
  • · Replies 6 ·
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6

Finding Resistance of an electronic component

  • MCCCLXXXV
  • · Replies 1 ·
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1

We don't have ideas that may attract engineers

  • hisham.i
  • · Replies 3 ·
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3

What is an electrical net in circuit simulation?

  • tdotengineer
  • · Replies 3 ·
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3

DC Blocking capacitor - How does it know where ground is?

  • AnalogNewb
  • · Replies 17 ·
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17
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3
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5

Charge flow through a mains tester

  • akhil123
  • · Replies 5 ·
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5

How to make a remote control on / off switch

  • John Readman
  • · Replies 2 ·
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2

Biomedical Electronics Engineering

  • Aryati
  • · Replies 4 ·
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4

Ideas for low power radio transmission in terrain

  • mike548141
  • · Replies 11 ·
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11

What Does 50% Battery Really Indicate About My Phone's Charge?

  • ramonegumpert
  • · Replies 6 ·
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6

Low Frequency Radio Trilateration

  • RadioEng
  • · Replies 86 ·
3
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86

Voltate, Resistance of open circuit

  • yuno96
  • · Replies 1 ·
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1

Laboratory equipment- what is this?

  • C.Braestrup
  • · Replies 2 ·
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2

Modeling I-V Characteristics in LTSpice

  • crono1009
  • · Replies 4 ·
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4

Electrons vs Ground: What's the Difference?

  • High_Voltage
  • · Replies 1 ·
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1

Why can't an ideal low pass filter be real?

  • boredaxel
  • · Replies 6 ·
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6

What is the purpose for frequency?

  • johnbrown11
  • · Replies 7 ·
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7

Hoping to interview an engineer

  • PrimeDrive
  • · Replies 1 ·
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1

Solving Magnetic Field Problems with Simulation Software

  • IanTrout
  • · Replies 1 ·
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1

Find the Best Variable Attenuator with Display for D-Band (110-170GHz)

  • manthan
  • · Replies 1 ·
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1

RF Detector: Understanding Video Bandwidth

  • manthan
  • · Replies 1 ·
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1

Can Mirrors Boost the Efficiency of a Portable Solar Panel Sphere?

  • Katie_Bear
  • · Replies 1 ·
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1

Standard/wifi light switch schematic

  • sanforce
  • · Replies 1 ·
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1

Four Terminal Sensing Measurement for Printed Conducting Inks

  • guusmatijs
  • · Replies 1 ·
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1

Dg201cj cmos quad spst analog switch

  • syee10
  • · Replies 4 ·
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4

Adjusting Output Voltage with Potentiometers

  • misteliquid
  • · Replies 10 ·
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10

How do football broadcasts place the first down line behind players?

  • Naty1
  • · Replies 9 ·
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9

Controlling gauge brightness with a 3-wire factory rheostat

  • SilverJester
  • · Replies 8 ·
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8

Can a 5V DC to 100V AC Inverter Power a Television?

  • High_Voltage
  • · Replies 5 ·
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5

Inverters and Power Consumtion?

  • tina-duncan
  • · Replies 2 ·
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2

Recommended Electrical Engineering Books

  • 6eecs
  • · Replies 1 ·
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1

Three-phase power using water or electricity analogy

  • TSN79
  • · Replies 17 ·
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17

How does energy flow in an LC oscillator generate sine waves?

  • Sentinel45
  • · Replies 3 ·
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3

How to create a voltage-controlled capacitor for auto wah filter

  • chaoseverlasting
  • · Replies 5 ·
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5

Resistances of common appliances

  • jslatane
  • · Replies 22 ·
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22

Using capacitance to track wire position with magnet

  • bengaltiger14
  • · Replies 2 ·
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2

What parameters should I assume for a $100 million substation transformer?

  • tims.corbett
  • · Replies 3 ·
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3
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7

Building a Counter with IR Sensor and Manual Buttons

  • Kalagaraz
  • · Replies 6 ·
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6

2i-6i1+4i2=0 3i+4i1-9i2=0 5i-3i1-5i2=0 check i1

  • ritzmax72
  • · Replies 6 ·
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6
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2

Driving 12V solenoids from 5V microcontroller with MOSFET or optocoupler

  • Wetmelon
  • · Replies 10 ·
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10

How do I build a palm reader circuit using electrodes?

  • BananaYanana
  • · Replies 3 ·
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3

Can an Opamp be Used to Create a Voltage to Voltage Converter?

  • tabish fawad
  • · Replies 7 ·
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7

Why Isn't My Condo's Musical Doorbell Working?

  • Claref
  • · Replies 2 ·
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2

Back EMF: Definition and Concept

  • Vishalatbatu
  • · Replies 3 ·
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3

FM transmitter works with DC transformer but not batteries

  • Shelnutt2
  • · Replies 41 ·
2
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41