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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What does cellphone antenna consist of physically?

  • cave_cat
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Imposing high frequency on AC mains

  • shaik.as22
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Proper Wiring of Old Washing Machine Motor

  • peu0011
  • · Replies 4 ·
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Power Factor Questions in AC Circuits

  • daredevil
  • · Replies 4 ·
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Electronic Books: Finding the Right One for You

  • o0Vox
  • · Replies 7 ·
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High pass filter, output has negative voltage level

  • d.arbitman
  • · Replies 22 ·
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Negative sequence (Symmetrical component)

  • sarayut
  • · Replies 2 ·
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Fast PLCs for Sensor Monitoring & Relay Triggering

  • opmal7
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Understanding FT in Transistors: Designing Collpitts Oscillators

  • baby_1
  • · Replies 11 ·
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Can I Measure the Output of an Unknown High Voltage Transformer?

  • Hohenheim
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Basic question: What is amplifier saturation?

  • ncstebb
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What is Power Factor Correction VARS?

  • johnnyb6231
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Single supply instrumentation amplifier

  • xortan
  • · Replies 9 ·
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Bilifar Coil Inductor Q&A: What Happens When Powered On/Off?

  • nemesiswes
  • · Replies 5 ·
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Hi all. Induction heater question

  • Nygie
  • · Replies 8 ·
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Why Are My Phase Voltages the Same in This Motor Circuit?

  • milesyoung
  • · Replies 1 ·
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Seven segment display acting wierd.

  • kElect
  • · Replies 5 ·
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AC voltage, DC voltage, AC current and DC current

  • rama1001
  • · Replies 7 ·
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Serial Resistor solution to finding individual voltage not adding up

  • perpc
  • · Replies 9 ·
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Where can I find reliable resources to learn SMD soldering techniques?

  • Mike706
  • · Replies 6 ·
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Flyback Q: Need for a Diode w/ Motor & IGBT?

  • mdjensen22
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Dielectric Resonators, Resonant Frequency, and Dielectric Constant?

  • HMS-776
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Accelerometer Noise PSD to Velocity Random Walk

  • schaffmc
  • · Replies 4 ·
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Is the Transformer Short Circuit Calculation Correct?

  • fonz
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Difference between current and voltage transformer

  • d.sonali20
  • · Replies 7 ·
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Voltage vs Current - Power, Electrons, Transformers

  • Finris
  • · Replies 6 ·
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Converting a toy that runs on batteries to wall power

  • ryanduty
  • · Replies 1 ·
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Stability of signals and systems

  • mod31489
  • · Replies 4 ·
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How to design a circuit in which an LED turns on when there is a voltage drop

  • brainfunction
  • · Replies 2 ·
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Question about auto-volt adapters for electrical appliances

  • Bararontok
  • · Replies 10 ·
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USB IO PICs for Simple Computer Control: Tips and Advice

  • Sathhin
  • · Replies 4 ·
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If electricity is flow of electrons and also positive and negative

  • hackersatyam
  • · Replies 4 ·
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Control engineering: lead and lag compensators

  • iiJDSii
  • · Replies 1 ·
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Guitar Related Electronics - Where to Start

  • thegreenlaser
  • · Replies 24 ·
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Inductor Antenna for 125kHz NFMIC System: FCC Part 15

  • ¡MR.AWESOME!
  • · Replies 9 ·
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How to slow down a 1.5-3v motors RPMs?

  • -WidgeT-
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Experimenting with 24VDC to AC Generator Output

  • JSF
  • · Replies 4 ·
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Charge Battery w/ Universal AC Adapter: Tips & Advice

  • jaguar7
  • · Replies 4 ·
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Rectifier Circuits: Questions & Answers

  • daredevil
  • · Replies 4 ·
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Troubleshooting My DIY Capacitive Transducer

  • phyky
  • · Replies 39 ·
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How Can I Achieve Low-Noise Amplification of 1nA to 1V?

  • Wapochief
  • · Replies 46 ·
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Calculation for Charge/Discharge Current

  • HelloCthulhu
  • · Replies 14 ·
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Small GPS devices with long battery life

  • clawson1985
  • · Replies 1 ·
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What is the reason behind inductive reactance in an AC circuit?

  • fonz
  • · Replies 35 ·
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Punch Down Blocks (Telephony or Ethernet Cables)

  • Newtons Apple
  • · Replies 9 ·
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Explaining reactive power on a subatomic level

  • JOmega
  • · Replies 10 ·
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Dielectric Barrier Discharge Plasma Discharge Circuit

  • cyho
  • · Replies 1 ·
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Why Single-wire earth return systems are only used in rural areas?

  • Charles123
  • · Replies 7 ·
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Back to basics Current return path.

  • Nah_Roots
  • · Replies 8 ·
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Power loss between the electricity meter and the building

  • AC/DC
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Coilgun Design: Troubleshooting, Current & Coil Specs

  • happyp
  • · Replies 2 ·
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The Mysteries of Laser Mouse Size & Design

  • cave_cat
  • · Replies 5 ·
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Microcontroller kit beyond beginner

  • David32
  • · Replies 5 ·
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How is 350kV DC achieved from 220kV in HVDC systems?

  • AElcEng
  • · Replies 4 ·
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Op amp transfer function incorporating output impedance

  • jrive
  • · Replies 2 ·
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Learn Maxwell's Equations Intuitively & In-Depth with Book Suggestions

  • iVenky
  • · Replies 5 ·
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Transmitter uses radio waves or any type of waves

  • 0_o
  • · Replies 19 ·
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Is there any quantum mechanics in electrical engineering?

  • madah12
  • · Replies 20 ·
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Can USB Cables & Ports Survive Over-Standard Voltage/Current?

  • cave_cat
  • · Replies 4 ·
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Electrical engineering or mechanical engineering

  • ThomasG
  • · Replies 4 ·
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3rd order harmonic distortion with PM alternator

  • hogshead
  • · Replies 1 ·
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Information about High Frequency Dielectrics

  • Hiilal
  • · Replies 9 ·
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Identifying a Non-Linear Parameter Varying System

  • FaroukSchw
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LTI Difference Equation from Impulse response

  • paul_harris77
  • · Replies 12 ·
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Ultrasonic actuator from Ceramic Phono Cartridge

  • Emreth
  • · Replies 6 ·
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Common Emitter Amplifier Analysis

  • SaruMihai
  • · Replies 9 ·
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LED Torch Heads for 12V Miniature Railway Signals

  • stantheman
  • · Replies 9 ·
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LPF Magnitude Slope: Why is it 20dB/Decade?

  • salil87
  • · Replies 4 ·
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What are audio taper, linear taper, and reverse taper potentiometers?

  • yungman
  • · Replies 4 ·
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Laplace plane meaning in control engineering ?

  • Femme_physics
  • · Replies 6 ·
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Quadrature sampling detector circuit

  • FrankJ777
  • · Replies 1 ·
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Physical Meaning of Leading/Lagging Voltage/Current

  • scothoward
  • · Replies 38 ·
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Understanding Electricity Waste: TV vs. Reality

  • Nirelan
  • · Replies 10 ·
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How complex would it be to make a usb power source imitating small battery?

  • cave_cat
  • · Replies 11 ·
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Circuit Design with Sensors-Your Advice Needed

  • JamieStrath
  • · Replies 2 ·
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Intrinsic carrier concentration formula

  • aarnes
  • · Replies 1 ·
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Computational electromagnetics books

  • DragonPetter
  • · Replies 4 ·
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Why circuit breaker shuts off when lamp burns out?

  • Charles123
  • · Replies 4 ·
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Is a transistor sensing circuit output analogue or digital?

  • rollcast
  • · Replies 9 ·
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What type of motor is best for a DIY ribbon cutting machine?

  • beeohbee
  • · Replies 4 ·
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How do I properly charge a VRLA battery?

  • pocho
  • · Replies 2 ·
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How to Derive Thévenin's Equivalent Circuit from Nodes a and b?

  • An1MuS
  • · Replies 4 ·
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Solving the Solar Panel Debacle: Powering a 6V Battery with 4V Cells

  • robotics1234
  • · Replies 2 ·
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Capacitor makes the circuit open?

  • samieee
  • · Replies 48 ·
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Which component for momentary strobe trigger?

  • SerialCoder
  • · Replies 1 ·
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Physical Meaning of T's in Laplace equations

  • RadKrish
  • · Replies 1 ·
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Wiring 100 LEDs - Advice Needed

  • SummersLCFC
  • · Replies 19 ·
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Differential Readings upon Reversing Polarity on MEMS Gyroscope

  • Free Radical
  • · Replies 1 ·
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Why does negative feedback stabilize an operational amplifier?

  • CraigH
  • · Replies 6 ·
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Protecting an LM324 Op-Amp in a Vacuum Tube Deflection Amplifier

  • Ravaner
  • · Replies 6 ·
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