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

Building a Counter for HeartBeat

  • tenacity2986
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3

Can capacitors self charge in a circuit?

  • pandu
  • · Replies 3 ·
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3

Making a 433MHz Phase Detector with Log Amplifiers

  • RLovelett
  • · Replies 6 ·
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6

Strong electromagnet with a constant field

  • ThoughtProces
  • · Replies 11 ·
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11

Phase Shift Independent of Frequency: Circuit Solutions

  • GlynnHeeswijk
  • · Replies 4 ·
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4

How Do You Connect PLC with SCADA?

  • User Name1
  • · Replies 1 ·
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1

Having trouble with circuit to adjust speed of electric motor

  • .....
  • · Replies 11 ·
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11

Can you build a 10W battery-powered handheld laser?

  • Mgt3
  • · Replies 21 ·
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21

Microcontroller/fgpa language questions

  • bassplayer142
  • · Replies 7 ·
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7
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7

Maximum AC Frequency in a Super Conductor?

  • BrianConlee
  • · Replies 8 ·
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8

Voltage peak clipping in non-linear loads

  • jerry5565
  • · Replies 1 ·
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1

What is the Best Training Kit for .NET and Embedded Development?

  • bas222
  • · Replies 3 ·
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3

Magnetic circuits and transformer

  • ajnk
  • · Replies 5 ·
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5

Flyback Diode Implementation/Sizing w/ Relays/Switches

  • ¡MR.AWESOME!
  • · Replies 7 ·
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7

How to filter noise from an inductive pickup. low pass filter.

  • usmansaleem
  • · Replies 2 ·
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2

Electrolytic Capacitor with Unusual Marking

  • Ravaner
  • · Replies 3 ·
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3

Cylindrical Capacitor Computation

  • somasimple
  • · Replies 5 ·
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5

Counter in multisim with four seven segment displays

  • wo0bin
  • · Replies 6 ·
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6

Relay to control appliances connected to pc

  • bwana
  • · Replies 7 ·
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7

Control Design for a Bidirectional Buck Boost Converter

  • enyyubfa
  • · Replies 2 ·
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2

SPICE simulation of leakage current

  • Zapitgood
  • · Replies 2 ·
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2

How to measure electricity usage

  • hah2110
  • · Replies 13 ·
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13

What's the difference between a chopper transistor and a normal BJT?

  • TheAnalogKid83
  • · Replies 12 ·
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12

Can any DC 12v or 24v motor be put on a speed control?

  • JeffJohnson1
  • · Replies 4 ·
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4

Reques of data heet or specs for 2 Tela electromagnets

  • Hussein Eassa
  • · Replies 1 ·
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1

What is the name of this symbols. See Attachment.

  • ismat143
  • · Replies 1 ·
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1

Determining the behaviour of a wafer from the CV curves

  • bhavi
  • · Replies 1 ·
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1

Extended ASCII characters 80, 81, 82 in Micrologix 1500 LRP

  • Ivan Seeking
  • · Replies 1 ·
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1

Can R1 be treated as negligible if it's 100000 times smaller than R2?

  • somasimple
  • · Replies 10 ·
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10

How fast do electric and magnetic forces propagate in a circuit?

  • BrianConlee
  • · Replies 7 ·
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7

Calculate Voltage or EMF from Charge difference

  • arvindmer
  • · Replies 3 ·
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3

Can I replace the 2N7000 with a 2N3906 in a secured wire loop circuit?

  • Inspiron1
  • · Replies 5 ·
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5

Electron speed in wire in circuit

  • WARGREYMONKKTL
  • · Replies 15 ·
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15
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2

How Do Basic Capacitor Concepts Affect Voltage in Simple Circuits?

  • skybox
  • · Replies 5 ·
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5

How to Connect and Switch Between Two Current Amplifiers?

  • Stellad
  • · Replies 1 ·
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1

What is the highest frequency AC ever produced on earth?

  • BrianConlee
  • · Replies 10 ·
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10

PMOS diff amp - common mode input range

  • BillyBobjoe
  • · Replies 3 ·
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3

Variable frequency drive for high speed spindle

  • Icestation2
  • · Replies 3 ·
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3

Building a Tesla coil: materials, time and difficulty

  • Benzoate
  • · Replies 8 ·
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8

Measuring Current Flow in Open Circuit R Phase

  • lukus09
  • · Replies 1 ·
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1

Stopwatch Circuit: Schematic for High School Engineering Project

  • Jeff179
  • · Replies 1 ·
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1
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1

Inductor and Transformer Design Equations

  • Phrak
  • · Replies 10 ·
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10

Is there a circuit for precise microwatt power regulation with variable load?

  • 0xDEADBEEF
  • · Replies 3 ·
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3

Are these two circuits equivalent low pass filters?

  • somasimple
  • · Replies 3 ·
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3

Where to Find Thermocouples for Power Generation in Stores or Online?

  • .:Endeavour:.
  • · Replies 7 ·
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7

Old fashioned 2 pole ac/dc motor/generator used for classroom demonstrations

  • Spencer M
  • · Replies 3 ·
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3

What Happens if You Power a DC Device with AC Voltage?

  • salman213
  • · Replies 3 ·
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3

Phase to Phase Fault in 480v Three Phase Induction Motor - Cause?

  • XPTPCREWX
  • · Replies 1 ·
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1

What are the options for long range distance sensors?

  • bassplayer142
  • · Replies 4 ·
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4

Connecting a power supply for negative voltage in a circuit

  • atlbraves49
  • · Replies 9 ·
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9

Designing a 240VAC Coil Assembly with 1600 Turns and 22 AWG Wire

  • bmwdavid
  • · Replies 7 ·
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7
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6

Can a DC to AC Inverter Circuit Be Simulated Using Multisim Software?

  • dht115
  • · Replies 2 ·
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2

Which Microcontroller Should I Choose for My Line Follower Robot Project?

  • dev_arora_13
  • · Replies 2 ·
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2

Permanent vs. Field Winding

  • Phrak
  • · Replies 3 ·
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3

Where can I find a simple explanation of how BJTs work?

  • frixis
  • · Replies 8 ·
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8

How Can I Control a Stepper Motor with LabView?

  • basem85
  • · Replies 7 ·
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7

How do you wire an LED to light up when a circuit is broken?

  • Inspiron1
  • · Replies 1 ·
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1
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2

How can parallel devices reduce energy consumption in household appliances?

  • b.shahvir
  • · Replies 23 ·
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23

Connecting sub-40 micrometer wires for a thermopile

  • 0xDEADBEEF
  • · Replies 8 ·
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8

4Ω speakers useable with 6Ω tuner?

  • dyaballikl
  • · Replies 4 ·
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4

Magnetic 'Spin Battery' Announced

  • sanman
  • · Replies 2 ·
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2

Calculate Battery Life with 50 Amp Hour Battery

  • salman213
  • · Replies 2 ·
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2

Connecting 3~ Phase 415V Pump to Single 250V - Checking Motor Windings

  • ismat143
  • · Replies 2 ·
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2

Confirm Gate, Drain, Source in Image

  • atlbraves49
  • · Replies 1 ·
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1

Toroidal electromagnet question ( really figuring my proplem out)

  • StephenDoty
  • · Replies 8 ·
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8

Installation of Electric Generator

  • shazirkhan
  • · Replies 5 ·
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5

How Can I Increase the Gauss Level of My Homemade Magnetic Pulser?

  • bryand2
  • · Replies 1 ·
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1

Can a common 9V power supply be used as a -9V supply?

  • atlbraves49
  • · Replies 2 ·
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2

Why does intrinsic emitter resistance go to ground in emitter followers?

  • garibaldi
  • · Replies 5 ·
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5

How does increasing driving torque affect two PM alternators in parallel?

  • b.shahvir
  • · Replies 5 ·
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5
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5

OP07 Op Amp Output Unexpectedly High Voltage

  • m718
  • · Replies 7 ·
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7

Replacing Car Batteries with Capacitors for EV - Answers Here!

  • trentr
  • · Replies 34 ·
2
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34

Query related to mobile phone charging

  • b.shahvir
  • · Replies 2 ·
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2

Set-up time in digital circuits

  • likephysics
  • · Replies 3 ·
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3

Better numerical filter than Kalman for ADC noise?

  • Topher925
  • · Replies 11 ·
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11

Steps for calculating dc generator output potential

  • Xeromyr
  • · Replies 2 ·
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2

How Do Heater Contactors and SSRs Control Heating Elements?

  • ismat143
  • · Replies 1 ·
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1

Pollution from semiconductor fabrication

  • aquitaine
  • · Replies 1 ·
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1

Define the term ‘’discrimination’’

  • vipse
  • · Replies 1 ·
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1

Convert LNA 433MHz Signal (21dB) to DC Voltage - Ryan's Question

  • RLovelett
  • · Replies 1 ·
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1

Square Wave Frequency Doubler using Op-Amps

  • Jdo300
  • · Replies 14 ·
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14
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6

Manufacturing costs and efficiency of solar and wind vs oil power plants

  • budder8819
  • · Replies 21 ·
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21

Op-amp integrator and differentiator in real-life

  • Kruum
  • · Replies 5 ·
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5

Using Different Types Of Batteries

  • DaleSwanson
  • · Replies 4 ·
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4

General query: Parallel, series, voltage division, etc

  • dalarev
  • · Replies 5 ·
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5

Make Low Frequency Radio: Where to Begin

  • m718
  • · Replies 1 ·
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1

Building Micro Tesla Coils with DC Supply

  • TuviaDaCat
  • · Replies 10 ·
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10

Solving PWM Issues with TL494 - Get 50% Duty Cycle

  • kk116
  • · Replies 5 ·
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5

Servo amplifier to control dc motor

  • muh_j18
  • · Replies 1 ·
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1

Electrical and magnetic field question

  • jearls74
  • · Replies 5 ·
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5

How do I create a 0-3V TTL waveform at 20 Hz in Capture (Pspice)?

  • snoggerT
  • · Replies 1 ·
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1

Capacitor charging loss (Not the two capacitor issue.)

  • spaceball3000
  • · Replies 46 ·
2
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46
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3