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

Gate source voltage and gate cathode voltage

  • parichay
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6
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20

Ferrite core size and number of turns for transformer design

  • sadehsatari
  • · Replies 3 ·
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3

Resistor ladder with 8-channel DIP switch for 16 distinct voltages

  • jsguitar93
  • · Replies 3 ·
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3

Electrical Question from Girl Without a Clue

  • tgala
  • · Replies 6 ·
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6

Identifying Shielded Twisted Wires with Connectors

  • DLINNI2000
  • · Replies 2 ·
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2

DAC0801 with OPA541 as voltage follower, single supply

  • apmechev
  • · Replies 1 ·
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1

Build an Electromagnet Project to Lift Objects

  • Flexx_23
  • · Replies 5 ·
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5

Why is my battery overheating when powering solenoids?

  • Dr Cadaver
  • · Replies 2 ·
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2

Measuring current with o'scope using shunt resistor?

  • hobbs125
  • · Replies 6 ·
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6

Induced V, due to self inductance?

  • Dash-IQ
  • · Replies 1 ·
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1

Do capacitors store charge on plates or in the dielectric?

  • EEngineer91
  • · Replies 15 ·
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15

How is thermal voltage established in semiconductors?

  • Godwin Kessy
  • · Replies 8 ·
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8

Can an audio speaker coil generate EMF without the woofer cone?

  • gaba
  • · Replies 1 ·
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1

Linear motor with permanent magnets. Where is the sticky point?

  • sv3ora
  • · Replies 2 ·
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2

Possible integration techniques for laptop keyboards

  • NaughtyBear
  • · Replies 3 ·
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3

Can you recycle electricity with long-lasting device components?

  • Smitty
  • · Replies 8 ·
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8

Start capacitors on 2 phase equipment

  • tonyole
  • · Replies 3 ·
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3

What are the Functions of VFD Control Circuits?

  • gutierrjg
  • · Replies 2 ·
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2
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2

Super capacitor for running DC motor

  • Yasir
  • · Replies 2 ·
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2
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8

Reverse saturation current in zener diode

  • meenu
  • · Replies 3 ·
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3

Why mobile devices use same pins for charging and for pwr transferring

  • amit016
  • · Replies 1 ·
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1

Electrical distribution Neutrals

  • Bstolle
  • · Replies 16 ·
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16

Solar Powered Light for Shop Display

  • LG911
  • · Replies 3 ·
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3
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12

Could you me what this transformer is doing in dc circuit?

  • amit016
  • · Replies 4 ·
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4

Is the golden ratio really the solution for Tesla coil voltage issues?

  • hstufflebeam
  • · Replies 11 ·
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11

What Are the Functions of a Programmable DSP?

  • vead
  • · Replies 4 ·
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4

Is a series resistor necessary when charging a capacitor?

  • Slem
  • · Replies 3 ·
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3

Digitally Controlled Audio Splitter Switch

  • preston8
  • · Replies 1 ·
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1

Simulate a VCVS by writing this netlist on PSpice

  • Danfor
  • · Replies 1 ·
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1

What are Vceq and Icq in collector-base bias configuration?

  • ranju
  • · Replies 7 ·
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7

How can I accurately measure the capacitance of a paper capacitor?

  • iScience
  • · Replies 15 ·
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15

DOL Motor Starter can support 160KW, 1000KVA Pump?

  • Lincoln
  • · Replies 5 ·
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5

Drift vs Diffusion current

  • Amerez
  • · Replies 7 ·
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7

Understanding Power in Star Connection

  • buell23
  • · Replies 4 ·
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4

Can Induced Back-EMF Be Maintained with Increased Input Power?

  • Dash-IQ
  • · Replies 46 ·
2
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46

Bridge rectifier output voltage

  • i_am_stupid
  • · Replies 3 ·
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3

Base emitter voltage and collector current

  • ranju
  • · Replies 5 ·
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5
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3

Cons of Stopping shaft connected to gearbox

  • chintu
  • · Replies 5 ·
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5

How can I calculate the force between finite coil and metal plate?

  • eastblue
  • · Replies 1 ·
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1

What is the relationship between resistivity and the Ohm meter?

  • davenn
  • · Replies 4 ·
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4

First and second order transfer functions missing DC gain terms

  • CraigH
  • · Replies 3 ·
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3

How do I convert my FFT code to an IFFT?

  • btb4198
  • · Replies 85 ·
3
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85

Radio Frequency Interference in Cell Phone

  • eclorian
  • · Replies 3 ·
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3

Abnormal Voltages in Transformer

  • EEngineer91
  • · Replies 6 ·
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6

Did Steinmetz Define Impedance Incorrectly in AC Theory?

  • EEngineer91
  • · Replies 14 ·
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14

Electromagnet design with wire gauge, turns, and time constant 0.0007-0.0008 s

  • checkmatescott
  • · Replies 3 ·
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3

Why do some adapters draw power with no secondary load but others don't?

  • iScience
  • · Replies 4 ·
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4

What is the Best Core Material for an AC Electromagnet?

  • mugginsjr
  • · Replies 13 ·
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13

ANSYS Maxwell Impedance Matrix

  • jcesar1029
  • · Replies 2 ·
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2

Where Can I Find Online Resources to Pre-Learn Electromechanics?

  • cpscdave
  • · Replies 3 ·
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3

Measuring microwave wavelength with PASCO kit and frequency mixer

  • TheBestCake
  • · Replies 8 ·
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8

How do I troubleshoot my EEPROM test code problem?

  • NexusRevZ
  • · Replies 5 ·
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5

Minimum solenoid activation time?

  • nielskool
  • · Replies 8 ·
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8

What is happening to the PN, NP, and MS junctions when using a BJT?

  • CraigH
  • · Replies 1 ·
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1

Zero Impedance in Oscillating current transformer

  • Deco56
  • · Replies 12 ·
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12

Fork made sparks in a microwave

  • oneamp
  • · Replies 2 ·
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2

RF absorbers for X, K and Ka band radar frequencies

  • GlennGlenn
  • · Replies 16 ·
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16

Shared Neutral Between Distribution and Split Phase

  • elimenohpee182
  • · Replies 7 ·
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7

How to Bypass Faraday Cages with DC Pulses?

  • Deco56
  • · Replies 11 ·
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11

Flyback diode to prevent back voltage

  • NATURE.M
  • · Replies 4 ·
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4

Can you electrify a mesh wire around a tree without it grounding out?

  • Freakendorf
  • · Replies 9 ·
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9

Why won't a 9V battery charge a phone via USB?

  • Regenrok
  • · Replies 3 ·
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3

Simple Circuit Analysis Given Power

  • elimenohpee182
  • · Replies 7 ·
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7

What's the deal with the power section in my Adcom amp?

  • NavinRJohnson
  • · Replies 3 ·
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3

Concerning differentials in electric field strength calculations

  • rgr3
  • · Replies 7 ·
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7

What NTC thermistor resistance should I use with the TP4056?

  • Trevo
  • · Replies 36 ·
2
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36

Using Motors for Motion: Ask Your Questions Here!

  • simmo
  • · Replies 4 ·
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4

Need a Refresher on Basic EE Theory Before Starting University?

  • trollcast
  • · Replies 4 ·
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4

What is a three-line diagram in power systems?

  • Passacaglia
  • · Replies 8 ·
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8

Frequency - Temperature characteristics of transformer winding

  • makkena
  • · Replies 1 ·
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1

HP 34401a meter loads high impedance sensor when ground probe connects

  • ttsky
  • · Replies 3 ·
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3

Finding the ratio of the emfs of two cells by a potentiometer

  • betaleonis
  • · Replies 9 ·
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9

Is having Circuits 2 a corequisite for Signals and Systems viable?

  • Elekromatik
  • · Replies 3 ·
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3

Using a transistor to switch trans brakes faster than a relay

  • 462chevelle
  • · Replies 3 ·
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3

How do alternators convert mechanical energy into AC current?

  • yoloswag
  • · Replies 16 ·
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16

Should you hear static on a crystal radio?

  • ChromeBit
  • · Replies 7 ·
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7

Antenna coupling behavior at separations much less than wavelength

  • JPBenowitz
  • · Replies 10 ·
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10

How to transmit composite video

  • Tesladude
  • · Replies 11 ·
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11

Why Is My Boss Subwoofer Amplifier Distorting at High Volume?

  • Tesladude
  • · Replies 4 ·
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4

Zener diode characteristics question

  • ranju
  • · Replies 6 ·
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6

Laplace analysis of simple LC tank (no resistance)

  • jrive
  • · Replies 4 ·
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4

16 bit sigma delta ADC question

  • ttsky
  • · Replies 22 ·
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22

When to use a PLC versus an Arduino for robotics and automation?

  • yoloswag
  • · Replies 8 ·
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8

What causes LED bulbs to age and stop working?

  • iScience
  • · Replies 1 ·
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1

Identifying this unknown component

  • Mniazi
  • · Replies 4 ·
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4

Arduino and beginner microcontroller kits for robotics projects

  • Physixs
  • · Replies 21 ·
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21

Are Parallel Circuits Affected When One Bulb Goes Out?

  • iScience
  • · Replies 8 ·
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8

Charge 4 AA Lithium Ion Batteries at 5V in 2 Quarters

  • Trevo
  • · Replies 7 ·
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7

Explanation for PIDrobust methodology to a layman

  • marellasunny
  • · Replies 5 ·
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5

Power dissipation at high ambient temperatures

  • Demishrike
  • · Replies 9 ·
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9

Factors for installing DG at high ambient temperature ?

  • mustaq ahmed
  • · Replies 2 ·
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2

What Would the Circuit Diagram of a Square Inch of Air Look Like?

  • vivi-d
  • · Replies 5 ·
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5