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

Why use an op-amp if the input resistance is infinite

  • hurliehoo
  • · Replies 4 ·
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4

Controlling Induction Motor Speed with Fixed Frequency Supply

  • strokebow
  • · Replies 1 ·
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1

What source puts out the strongest power signal on earth?

  • buffordboy23
  • · Replies 12 ·
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12

Whos right? - capacitor to capacitor discharge.

  • spaceball3000
  • · Replies 4 ·
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4

Big project question - salami drying room

  • surbani
  • · Replies 12 ·
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12

How to Design a Simple, No-Solder Circuit for a Charity Fair Game?

  • Stormy234
  • · Replies 7 ·
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7

Cost Implications Of Low Power Factor

  • BIGEYE
  • · Replies 5 ·
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5

Possibility of HUD in Motorcycle Helmet

  • firefly_1
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1
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4
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6

How do you capture this long waveform?

  • david90
  • · Replies 4 ·
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4

H Is a low, leading power factor causing our subsea power distribution issues?

  • Screamtruth
  • · Replies 5 ·
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5

Generating using a DC brushed motor

  • lucy_b14
  • · Replies 4 ·
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4

Can plasma conduct through a metal wire to light an LED?

  • VelociBlade
  • · Replies 10 ·
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10

Detecting wheel slip from DC motor on low friction surface

  • Weird Fishes
  • · Replies 11 ·
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11

Building a rotating holder that stops at 180 degrees precisely

  • lankan_ice_405
  • · Replies 8 ·
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8

Printing A Circuit Board Design

  • Lancelot59
  • · Replies 9 ·
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9

Controlling 6 axes with 2 DC motors and gears

  • Clue144
  • · Replies 5 ·
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5

Computer specs needed for university

  • chollins
  • · Replies 1 ·
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1

Car Battery and 120vac 100 watt bulb

  • coffee-3000
  • · Replies 9 ·
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9

Constant output from measuring angular speed

  • cshieldsx
  • · Replies 7 ·
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7

What Steps Define a Scientist's Writing Process?

  • madness006
  • · Replies 1 ·
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1
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10

A way to automatically adjust a variable resistor?

  • atlbraves49
  • · Replies 5 ·
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5

Want to Program a 555 Timer? Here's What You Need!

  • xboxmodandrep
  • · Replies 13 ·
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13

How to drive an actuator in its resonance frequency?

  • mharaghi
  • · Replies 7 ·
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7

Any good sources for starter motors (without gearbox/solinoid)?

  • LimitedSlip7
  • · Replies 1 ·
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1

Building a Frequency to Voltage Converter

  • meitl
  • · Replies 7 ·
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7

Mobile charging using batteries

  • grafica
  • · Replies 8 ·
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8

Why are electric space heaters only 100% efficient?

  • Naty1
  • · Replies 19 ·
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19

Connect a antenna with 75Ω line impedance to VNA

  • N468989
  • · Replies 13 ·
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13

How can I convert 12v from a battery to 5v for monitoring in a jeep?

  • lowspeedchase
  • · Replies 8 ·
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8

How to plot frequency vs gain for a filter?

  • trip6
  • · Replies 5 ·
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5
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22
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5

What is the capacitance of a wire mesh parallel to a solid plane?

  • m1985
  • · Replies 3 ·
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3

PC Power Consumption: Can I Use a UPS to Supply Voltage?

  • apkvnbw
  • · Replies 1 ·
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1

Can Transistors Be Used as Zener Diodes?

  • Garnet
  • · Replies 1 ·
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1

Power Supplies, resistors, and ohm's law

  • StephenDoty
  • · Replies 5 ·
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5

Can a plasma arc with ionized gas flow through a wire net generate net power?

  • VelociBlade
  • · Replies 17 ·
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17

Voltage reflection coefficient with distance measured from source

  • varunag
  • · Replies 2 ·
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2

DC motor overheating: wire thickness, current, and speed control

  • ahrouhi
  • · Replies 9 ·
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9

In am Electrical Generator, where do the Electrons come from?

  • timejim
  • · Replies 21 ·
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21

Fabry-Perot oscillations in waveguide loss measurement at 1550 nm

  • maxclark153
  • · Replies 1 ·
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1

Theory behind 1D signal decimation for coding

  • makris
  • · Replies 1 ·
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1

Why do computer parts double in capacity every 18 months?

  • theallknower
  • · Replies 4 ·
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4

Why use thick wire over thin wire in electronic circuits?

  • coffee-3000
  • · Replies 18 ·
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18

Find Plant Zeros: Can We Determine Stability from Output Y?

  • ohmatlab
  • · Replies 2 ·
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2

Identifying 8-pin IC orientation using dot instead of notch

  • IHateMayonnaise
  • · Replies 5 ·
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5

How to quickly learn Fourier series and transforms for DSP

  • madchiller
  • · Replies 4 ·
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4

Beamwidth, gain and feedline effects of a 7m dipole antenna

  • Yakult
  • · Replies 6 ·
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6

Can coax cause distortion in signals?

  • seang
  • · Replies 7 ·
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7

How do I make a 0.2 microhenry inductor for a TV transmitter?

  • BrockLee
  • · Replies 9 ·
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9

Protecting Your Power Supply: Using Resistors with Electromagnets

  • StephenDoty
  • · Replies 3 ·
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3

Calculate characteristic impedance with R, L, C, G values

  • Danieljax88
  • · Replies 4 ·
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4

Two questions about dc-dc converter.

  • sami_r
  • · Replies 5 ·
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5

Diameter vs current rate of a copper wire

  • pixel01
  • · Replies 3 ·
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3

Why do 3 phase balanced faults cause such high fault currents?

  • Ian_Brooks
  • · Replies 5 ·
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5

White line sensor circuit, determening currents

  • rusty009
  • · Replies 14 ·
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14

Empowering Your Electrical/Mechanical Eng. Vocab: Recommended Books

  • XPTPCREWX
  • · Replies 1 ·
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1
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6

4017 decade counter ~Q5-9 output stuck at 0V in Multisim

  • roeb
  • · Replies 3 ·
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3

Understanding how transistors work

  • Atriusbread
  • · Replies 8 ·
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8

How does frequency multiplexing work ?

  • RipClaw
  • · Replies 3 ·
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3
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5

0 ohm resistor selection for single-point grounding

  • rogerdi
  • · Replies 4 ·
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4

Capacitors in Common Emitter Amplifier Circuit ?

  • AbuYusufEg
  • · Replies 1 ·
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1

Correct method of measuring a pulse

  • James G Deye
  • · Replies 1 ·
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1

Finding high-temperature speakers for automotive design

  • Jason03
  • · Replies 13 ·
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13
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11

How to separate induced voltage from terminal?

  • Cspeed
  • · Replies 2 ·
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2

Can You Make Money from Old, Drained Batteries?

  • ZPlayer
  • · Replies 2 ·
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2

Can voltage and current values be captured and logged in labview?

  • atlbraves49
  • · Replies 1 ·
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1

Fix False GFCI Tripping in 240V AC Circuit

  • tjpoc
  • · Replies 18 ·
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18

How Do I Interpret Multimeter Units Correctly?

  • Cspeed
  • · Replies 8 ·
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8

About battery and power grid circuits

  • Will1987
  • · Replies 25 ·
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25

Building a low-latency voice command system for vehicle control

  • Phrak
  • · Replies 12 ·
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12

LED indicator across switch in 110V AC circuit with only two wires

  • jeancollin
  • · Replies 15 ·
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15

Using DC-AC inverters in parallel

  • misslexi
  • · Replies 4 ·
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4

Why does a diode block all current from my AC generator?

  • Cspeed
  • · Replies 16 ·
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16

Calculating Magnetic Flux from Induced Voltage in Proximity Coils

  • burnit
  • · Replies 6 ·
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6
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5

Sliding DFT discrete Fourier transform

  • hxtasy
  • · Replies 1 ·
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1

Transformerless AC to DC power supply

  • Gianna
  • · Replies 18 ·
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18

Sending signals through the computer?

  • pooface
  • · Replies 6 ·
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6

Nick's Search for Streaming Time in Hobby Rocket Engines

  • capslockroxx
  • · Replies 3 ·
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3

Modifying AM Radio for Low Frequency Scanners (10-200 Hz)

  • m718
  • · Replies 7 ·
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7

Why does capacitor reactance equal peak voltage divided by peak current?

  • unseensoul
  • · Replies 10 ·
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10

Why do battery vehicles take so long to charge?

  • Pumblechook
  • · Replies 29 ·
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29

How Does Q Factor Influence Gain in a Parallel LC Circuit?

  • Idea04
  • · Replies 1 ·
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1

Wiring Thin film solar panels into a circuit

  • Mikeemc
  • · Replies 4 ·
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4

Circuit testing handheld switch

  • DaveC426913
  • · Replies 8 ·
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8

How does resistor size affect capacitor discharge time?

  • Pythagorean
  • · Replies 19 ·
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19
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2

Strange question - electronics kits

  • Xibalba
  • · Replies 3 ·
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3

How can I effectively short a push button switch using electronics?

  • benzun_1999
  • · Replies 15 ·
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15

How to Build a Circuit to Detect a White Line?

  • rusty009
  • · Replies 9 ·
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9

RSSI (Received Signal Strength Indication)

  • RLovelett
  • · Replies 7 ·
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7
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8

Where should a center tap be placed on an inductor?

  • FlufferNuterFSU
  • · Replies 3 ·
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3