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

Op-amp: Current and bandwidth question

  • tysz
  • · Replies 8 ·
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8

Inductive Rectifier with internal DC load

  • Dan_D93
  • · Replies 1 ·
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1

Transformer inductance a function of mu only?

  • tim9000
  • · Replies 16 ·
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16

How can i control magnet? on\off, base magnet?

  • sarizr
  • · Replies 7 ·
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7

Why there is dc component in square signal

  • giulioo
  • · Replies 4 ·
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4

Determine attenuation of voltage in transmission line

  • FDTD
  • · Replies 1 ·
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1

How big does a magnet need to be to move X amount of KGs

  • Will Stock
  • · Replies 1 ·
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1

Troubleshooting Transformer Core Loss Simulation Error

  • sobhi
  • · Replies 8 ·
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8
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2

Conversion Of Frictional Work To Electricity

  • anthonych414
  • · Replies 3 ·
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3

How to make a delta function signal in a circuit?

  • dilloncyh
  • · Replies 7 ·
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7

Why do resistors always cause a voltage drop equal to the voltage applied?

  • Joker93
  • · Replies 32 ·
2
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32

What Factors Affect Ultrasound Penetration Depth?

  • BobbyBrown
  • · Replies 1 ·
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1

Current flow in infinite sheet, and shape of isocurrents

  • AR01075
  • · Replies 4 ·
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4

How Can You Effectively Amplify a 868 MHz Signal for Phase Detection?

  • synMehdi
  • · Replies 11 ·
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11

Is My LM311 Speaker Protection Circuit Designed Correctly?

  • yungman
  • · Replies 15 ·
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15

Transistor Base/Collector Current mystery

  • Adder_Noir
  • · Replies 27 ·
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27

Magnetising current of inductor and transformer, onformation

  • tim9000
  • · Replies 6 ·
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6
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12

Health concern about lead on components

  • themadquark
  • · Replies 2 ·
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2
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5

How do you get 2 wires on AC out of phase by 180 degrees?

  • James12345678
  • · Replies 1 ·
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1

PM sychronous motor parameter measurement

  • awaiting
  • · Replies 2 ·
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2

Cap Bank Discharge Rate with 300v Spikes - New Threader

  • Dr. Mark Sexton
  • · Replies 2 ·
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2

Potential drop inside a circuit as a E=gradV

  • Joker93
  • · Replies 3 ·
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3

Take a stab at it what do you think? heat element/battery

  • John Crosby
  • · Replies 5 ·
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5

Understanding Residual Flux and Inconsistent Rotation in Stepper Motors

  • sandy.bridge
  • · Replies 1 ·
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1

Arc Suppression for Fuji PXR4 Micro Controller

  • Gordo
  • · Replies 29 ·
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29

How does voltage work in a circuit and why does it drop through resistors?

  • member 529879
  • · Replies 9 ·
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9

Transistor that *Stops* current when base is powered

  • NotASmurf
  • · Replies 6 ·
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6

VHDL Newbie Stumped by Error 10380

  • Steve198402
  • · Replies 3 ·
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3

Measuring the resistance of a button

  • caunyd
  • · Replies 2 ·
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2

How can i design a small sized high torque slow speed motor

  • nav kaushik
  • · Replies 4 ·
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4

What does 0 V exactly mean in an electric circuit mean?

  • thegreengineer
  • · Replies 11 ·
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11

Electromagnetic waves in a cavity resonator

  • hobbs125
  • · Replies 3 ·
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3

Drive Died (arcing between pins on the PCBA)

  • MaintenanceMGR
  • · Replies 5 ·
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5

High Frequency Servo shielding and grounding on robot?

  • empem90
  • · Replies 10 ·
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10

How does RAM give "4"th value when CPU requests the "001"th

  • NotASmurf
  • · Replies 4 ·
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4

Best circuit designing program for designing cpu?

  • Superposed_Cat
  • · Replies 5 ·
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5

Question about 12v Solar charger?

  • beany_bot
  • · Replies 13 ·
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13

Basic question on wave equation - need a reminder

  • VictorVictor5
  • · Replies 2 ·
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2

Role of Armature Current in DC Motors

  • ranju
  • · Replies 4 ·
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4

Control design for PWM converter

  • Hubert Tchio
  • · Replies 56 ·
2
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56

Wheatstone bridge -- Why set all 4 resistances equal?

  • arvindsharma
  • · Replies 3 ·
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3

Cheapest way to amplify 40ma to 2 amps

  • Superposed_Cat
  • · Replies 14 ·
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14

Detect infrared codes from the remote controller

  • iii
  • · Replies 2 ·
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2

What Causes ESD Discharge While Handling Components and Assembled Units?

  • likephysics
  • · Replies 4 ·
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4

Passive Sign Convention Misconception?

  • vintageplayer
  • · Replies 5 ·
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5

Adding resistors to a differentiating op-amp?

  • dilloncyh
  • · Replies 8 ·
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8

Redundant Power Monitoring and Switching

  • spurscouk
  • · Replies 3 ·
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3

Understanding Limit Current & Resistivity in Source Meter Machines

  • chikou24i
  • · Replies 7 ·
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7

Microcontroller to understand architecture

  • amenhotep
  • · Replies 2 ·
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2

Advice on building a radio transmitter in the Radio Control band

  • lostminty
  • · Replies 2 ·
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2

Solar panels -- connect as parallel circuit or series circuit?

  • Destruct_
  • · Replies 6 ·
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6

How do I reduce the amount of voltage in a circuit?

  • Broly
  • · Replies 3 ·
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3

How Can We Optimize Antenna Design to Harness Radio Waves Efficiently?

  • TriflingTroy
  • · Replies 6 ·
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6

Can I operate a 230V, 50 Hz, 500 W german oscillating saw

  • miforensic
  • · Replies 6 ·
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6

Transformation of electronic audio signal into audible Sound

  • AustinTahir
  • · Replies 3 ·
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3

Don't understand clipper circuit

  • iScience
  • · Replies 5 ·
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5

Is current the flow of protons or just the movement of holes

  • Devguy101
  • · Replies 2 ·
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2

Running 3 motors in circuit, where to insert lipo alarm?

  • Stoph
  • · Replies 4 ·
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4

What is the post orientation of a EU1L battery

  • Tipiford
  • · Replies 8 ·
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8

How to use the arduino breadboard syb 46?

  • ivyacheslav
  • · Replies 2 ·
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2

Can we replace LIPO battery with LION battery

  • rkg
  • · Replies 1 ·
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1

Microwave cavity resonators as filters

  • FrankJ777
  • · Replies 8 ·
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8

AudioQuest Diamond: most expensive HDMI cables worth it?

  • Greg Bernhardt
  • · Replies 10 ·
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10

Connecting Heating Pad: 2 Resisters & 4 Switches

  • madhuomni
  • · Replies 3 ·
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3

Ideal Opamp Analysis: Determine Vout for Vin = 2V & Vs = 15V

  • joel amos
  • · Replies 5 ·
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5

Floating Systems: Earth Faults & Detection

  • fonz
  • · Replies 31 ·
2
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31

How do semiconductors affect a circuit?

  • Devguy101
  • · Replies 3 ·
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3

How Can You Test a Coil for Shorts Without Disassembly?

  • thetexan
  • · Replies 5 ·
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5

Synchronize a dc pulse through an array of parallel wires

  • trini
  • · Replies 11 ·
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11

Power Formula: Frequency & Electrical Power Explained

  • mnada
  • · Replies 11 ·
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11

Magnetic field of permanent magnet on ansys and comsol

  • Imtiaz47
  • · Replies 1 ·
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1

I have a question on the phase of a frequency response

  • great1122
  • · Replies 1 ·
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1

Recharge 9V Battery on Device Without Affecting Electronics

  • Anthonytsi
  • · Replies 3 ·
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3

Op-Amp convex optimization question

  • perplexabot
  • · Replies 3 ·
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3

Can I draw a helical coil in MAXWELL 3D using PF and ANSYS?

  • ATTAB
  • · Replies 2 ·
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2

Antenna theory detection of angle of incidence

  • synMehdi
  • · Replies 25 ·
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25

How does the circuit in a stun gun produce high DC voltage

  • Gabe P.
  • · Replies 5 ·
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5

Designing a variable-frequency ultrasonic wave generator

  • Andrew Raisbeck
  • · Replies 2 ·
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2

How can I make position controlled motor ?

  • Anup yadav
  • · Replies 2 ·
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2

Question about the Nyquist sampling rate

  • Vagabond7
  • · Replies 4 ·
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4

Parallel RL Circuits: Uses & Impedance Matching

  • davenn
  • · Replies 3 ·
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3

Replacing a capacitor in my DVD player

  • SnakeDoc
  • · Replies 16 ·
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16

Rf basics, digital vs analog info tx

  • Shaheers
  • · Replies 8 ·
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8

What is the polarity of a Pn junction diode

  • Ahsan Khan
  • · Replies 42 ·
2
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42

Joule thief : number of turns around the ferrite core

  • Corvinus96
  • · Replies 6 ·
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6

Make a taser out of a 555 a 2n3055

  • thankz
  • · Replies 4 ·
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4

Whats the point of transistors?

  • jaydnul
  • · Replies 9 ·
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9

Why AM wave is multiplication of carrier and message signal?

  • Dark_Capacitor
  • · Replies 4 ·
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4

Can you do load line analysis on a bjt with just a knowlege-

  • thankz
  • · Replies 1 ·
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1

Anyone have a old vga crt schematic?

  • thankz
  • · Replies 2 ·
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2

Life expectancy of Aqueous Flux going LowZ

  • edwardtre
  • · Replies 3 ·
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3

Asking for Op Amp recommendations

  • Loudhvx
  • · Replies 7 ·
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7

Circuit to control the pulse width of digital signals

  • hamburg21
  • · Replies 67 ·
3
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67
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4

Scattering Parameters and S-domain

  • FrankJ777
  • · Replies 1 ·
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1

Improving Frequency Resolution with Window Functions in FFT Calculations

  • Tim Condra
  • · Replies 3 ·
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3

Can I add these Current sources?

  • ches18
  • · Replies 8 ·
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8