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

Troubleshooting a FET-controlled car tailgate

  • Guineafowl
  • · Replies 15 ·
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15

White stuff of ants colony inside electronics

  • Cobul
  • · Replies 10 ·
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10

What makes antenna grounding "good"?

  • hacivat
  • · Replies 25 ·
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25

What factors affect the induced voltage in an induction circuit?

  • Osnel Jr
  • · Replies 3 ·
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3

Something is wrong with my simple solder job?

  • pete
  • · Replies 7 ·
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7

Verifying a circuit design with voltage regulators

  • Vossi
  • · Replies 6 ·
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6

How do you calculate the series resistance for this Triac control circuit?

  • Wrichik Basu
  • · Replies 10 ·
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10

Source Level calculations of an Underwater Cylindrical Acoustic Array

  • nauman
  • · Replies 19 ·
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19

Why Did My Wire Burn When I Turned On the Switch?

  • exp6
  • · Replies 1 ·
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1

AC RPM and the amount of Reactance

  • Osnel Jr
  • · Replies 3 ·
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3

Can someone give me a better intuition of bandwidth?

  • pj33
  • · Replies 23 ·
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23
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3

Synchronous Buck Converter Switching

  • sodoyle
  • · Replies 5 ·
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5

Maxwell3D Error -- Unable to locate COM Engine on 'Local Machine'

  • TiGuru22
  • · Replies 1 ·
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1

High Power Rectifiers - AC Conversion?

  • mbowen03
  • · Replies 14 ·
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14

News and Updates for Homeschool Parents "Latest News for Homeschool Parents

  • Z-Johnny
  • · Replies 10 ·
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10

What type of dielectric is used in an NP0 capacitor?

  • sodoyle
  • · Replies 3 ·
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3

Different methods of strengthening a magnetic field.

  • gramps1
  • · Replies 5 ·
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5

Creating a stable 5V DC supply out of 6 V (RMS) AC

  • Wrichik Basu
  • · Replies 63 ·
3
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63

How Does Project 122 Snap Circuit AM Transmitter Work?

  • topito2
  • · Replies 35 ·
2
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35

IEC type power cord not correctly labeled

  • Buckethead
  • · Replies 17 ·
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17

Voltage detection in electrical cables

  • QuentinChe
  • · Replies 7 ·
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7

Skin depth of multilayered (2-layer) wire

  • tm64
  • · Replies 9 ·
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9

Minimum Tone Spacing: Coherent Frequency Shift Keying

  • Master1022
  • · Replies 17 ·
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17

Are My Nets Aligned with Pins in PSpice(9.1) Netlist Error?

  • jubayer ahmed
  • · Replies 12 ·
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12

Calculating the resistance in a compensating circuit for a thermocouple

  • Davidllerenav
  • · Replies 8 ·
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8

Semiconductor -- Conduction and Valence bands

  • pj33
  • · Replies 1 ·
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1

How to define PV module IV curve using given parameters

  • sodoyle
  • · Replies 9 ·
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9

Does every control system contain an integrator?

  • PainterGuy
  • · Replies 10 ·
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10

Is an Incandescent Lightbulb Truly a Non-Ohmic Device?

  • rhubarbpf
  • · Replies 12 ·
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12

Digital Filters: why is sampling frequency equal to 2*pi unit circle

  • Master1022
  • · Replies 5 ·
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5

Small-florida-community-aims-for-energy-independence

  • dlgoff
  • · Replies 4 ·
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4

What Gauge Wire Should Be Used for the Neutral in a 240VAC Circuit?

  • PEMFC
  • · Replies 13 ·
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13

Why do you discharge the anode first.

  • Osnel Jr
  • · Replies 4 ·
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4

Don't know how to make an ultrasonic sensor circuit....

  • zxcvb
  • · Replies 1 ·
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1

Resistor is connected parallel to Voltage Source

  • hquang001
  • · Replies 2 ·
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2
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4

RE: Thread from Jan. 2021 - from voice to pulse

  • Cyn5463
  • · Replies 6 ·
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6

LT spice result analysis, Capacitance Multiplier vs RC filter circuit

  • brainbaby
  • · Replies 2 ·
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2

How to understand power stage circuits with transistors (undergrad level)?

  • Master1022
  • · Replies 4 ·
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4

Find the Equivalent Impedance of the Network

  • rtareen
  • · Replies 18 ·
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18

Mesh hole size calculation for RFID signal blocking

  • schoor
  • · Replies 14 ·
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14

Laplace Transform Finding Open-Circuit Voltage

  • willDavidson
  • · Replies 5 ·
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5

Making an Armature from scratch

  • FreddieAzoth
  • · Replies 11 ·
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11

Some Questions About Thevenin's Theorem

  • rtareen
  • · Replies 27 ·
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27

Building a Low Power DiY marine bluetooth speaker set

  • BiGyElLoWhAt
  • · Replies 1 ·
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1

Building a Buck Converter Using the LT1170

  • sodoyle
  • · Replies 10 ·
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10

Can I series buck converters to get higher stepdown ratio?

  • sodoyle
  • · Replies 10 ·
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10

Tech of the 60s: Computer Systems for Ground Control & More

  • LT72884
  • · Replies 17 ·
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17

What Are Some Options for High Frequency EMF Meters?

  • rtareen
  • · Replies 10 ·
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10

In what way does current flow through a potentiometer?

  • rtareen
  • · Replies 24 ·
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24

I do not sell these, an actual non-contact VOLTMETER

  • Windadct
  • · Replies 4 ·
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4

PWM signal generating circuit based on LM393

  • zxcvb
  • · Replies 2 ·
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2

Sٍٍhort circuit simulation using ANSYS Maxwell

  • SalahAhmed03
  • · Replies 1 ·
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1

Measuring ripple reduction in LTSpice

  • brainbaby
  • · Replies 22 ·
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22

Measurement of frequency deviation in FM signals

  • nauman
  • · Replies 20 ·
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20

Choosing pneumatic solenoid, AC or DC

  • FiveO
  • · Replies 3 ·
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3

How to Judge the Linearity of a Dependent Current/Voltage Source

  • FAS1998
  • · Replies 7 ·
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7

How to distinguish between linear and non-linear circuits?

  • Fascheue
  • · Replies 13 ·
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13

Active LPF or Integrator w/feedback Resistor

  • Jody
  • · Replies 8 ·
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8

Understanding PV Cell Modeling: Single vs Double Diode

  • willDavidson
  • · Replies 11 ·
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11

Piano Keyboard, detecting multiple keys pressed

  • mishima
  • · Replies 27 ·
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27

4 (insulated) wires from electric pole for underground 3-phase service

  • Elquery
  • · Replies 21 ·
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21

High Volts Low Amps: Sustaining Power with Arduino & MOSFET

  • EagleOnePro
  • · Replies 7 ·
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7

Get electrical signal of a piezoelectric with ultrasound

  • hugo_faurand
  • · Replies 7 ·
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7

Is There a New, More Efficient Electric Motor?

  • Fisherman199
  • · Replies 3 ·
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3

Which Formula Should I Use for Calculating Power in an AC Circuit?

  • hquang001
  • · Replies 2 ·
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2

Question about Spectral Estimation using AR Models

  • Master1022
  • · Replies 1 ·
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1

Signal Processing: DFT spectrum of sinusoid signals

  • Master1022
  • · Replies 3 ·
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3

Control Theory: Derivation of Controllable Canonical Form

  • Master1022
  • · Replies 3 ·
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3

Transformers in a circuit, interpreting the label

  • latot
  • · Replies 7 ·
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7

Biomedical Engineering: Scanning k-space in NMR with readout gradient

  • Master1022
  • · Replies 11 ·
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11

Question about the operation of a current mirror

  • Master1022
  • · Replies 10 ·
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10

Electrical Machines and Power Flow

  • lcr_melo
  • · Replies 6 ·
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6

Harvesting the energy of sea waves using capacitance

  • tarakan
  • · Replies 39 ·
2
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39

Is it illegal to reproduce someone circuit schematic in your paper ?

  • patric44
  • · Replies 10 ·
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10

Automatic TV attenuation with thumb drive....Possible?

  • vandy12
  • · Replies 18 ·
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18

Is this an antenna array on the new Chinese aircraft carrier?

  • berkeman
  • · Replies 24 ·
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24

RF Transistors, is there a 'minimum' frequency where they work?

  • cmb
  • · Replies 6 ·
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6

Capacitor Insulation Resistance

  • willDavidson
  • · Replies 19 ·
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19

Measuring Temperature of PCB Via

  • willDavidson
  • · Replies 30 ·
2
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30

PID or Relay for Circulating Shower

  • mess
  • · Replies 5 ·
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5

What is the standard process of Microphone testing?

  • abnerko1973
  • · Replies 10 ·
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10

Lab/benchtop supplies with many, many outputs?

  • f95toli
  • · Replies 5 ·
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5

Dielectric and Attraction Between Oppositely Charged Plates

  • iVenky
  • · Replies 10 ·
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10

Theory question about neutrals in circuits

  • ffp
  • · Replies 32 ·
2
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32

What type of diode is best for protecting batteries in a weather station?

  • sophiecentaur
  • · Replies 22 ·
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22

Troubleshooting stove heating elements

  • DaveC426913
  • · Replies 13 ·
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13

Handle Peak Inrush Current of a BLDC Motor to protect the Power Supply

  • Vatech
  • · Replies 21 ·
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21

Inserting pulling metal wires in existing empty conduit

  • Cobul
  • · Replies 5 ·
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5

Troubleshooting Neutral Cables in Electrical Circuits

  • ffp
  • · Replies 2 ·
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2

Dividing the output of a VCO or....

  • rdawe
  • · Replies 8 ·
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8

Help with linear solenoid calculations (engine valve actuators)

  • linkss56
  • · Replies 15 ·
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15

Why does the top surface of a Silicon Die measure close to 0 ohms?

  • austinuni
  • · Replies 5 ·
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5

Solve for phase-to-neutral voltage in terms of phase-to-phase voltage

  • EQVan
  • · Replies 14 ·
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14

Why Does a Circa 1905 Solenoid Have Two Different Wires?

  • flynnr2
  • · Replies 31 ·
2
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31

How do pull up and pull down resistors remove electrical noise?

  • kolleamm
  • · Replies 46 ·
2
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46

Securing Power from a 120VAC Generator: H3 and H8 Taps

  • jimboz
  • · Replies 22 ·
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22

Lectro Power Saver Review: $30 Plug-In Electricity Savings

  • Meubus
  • · Replies 5 ·
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5

Basic NMOS+Zener Current Source Test

  • Helena Wells
  • · Replies 12 ·
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12