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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...
My variable speed drill switches turn into ON/OFF switches :-(
  • Bruce Ratcliffe
  • · Replies 30 ·
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How is an autocorrelation function computed? (Dynamic Light Scattering)
  • Salmone
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NPN transistor overheating even when used with appropriate parameters
  • Erik_clifton102
  • · Replies 11 ·
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11
I have a question about diodes and the PN junction
  • Etherealist
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Safer Lithium Ion Batteries - a Significant Step
  • Tom.G
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Will the bleed resistors enable a shorter path to ground or not?
  • checkmatescott
  • · Replies 80 ·
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How to rig multiple IR2103 to form an H-bridge to excite transformer
  • checkmatescott
  • · Replies 17 ·
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Nodal Analysis and Two Dependent Current Sources
  • Young_Scientist23
  • · Replies 4 ·
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4
Can we twist the two ends of the wire together?
  • Shervan360
  • · Replies 9 ·
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9
Wireless Microcurrent Stimulation
  • quantum82
  • · Replies 3 ·
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3
Electric motor torque control based on speed interaction/instability
  • MiguelS
  • · Replies 3 ·
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3
EPROM Programmer: Programming TMS2532 Chips w/ 25v
  • imsmooth
  • · Replies 5 ·
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5
Phone coming back to life after being exposed to saltwater
  • greypilgrim
  • · Replies 2 ·
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2
Getting a High Speed Synchronous N-Channel MOSFET Driver working right
  • techn0
  • · Replies 39 ·
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Synchronous MOSFET Driver not functioning when voltage already present
  • techn0
  • · Replies 2 ·
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2
Importing SPICE models for some ICs into Multisim
  • AMRITHAPRIYA K K
  • · Replies 6 ·
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6
DC Inverters and Rectifiers: Understanding the Terminology
  • JimTheHVACGuy
  • · Replies 8 ·
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8
Battery sizing in systems for power grid frequency regulation?
  • crowned
  • · Replies 1 ·
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1
Can Gyms Be Used to Generate Electricity?
  • jdog006
  • · Replies 1 ·
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1
Mosfet failures in this differential piezo drive circuit
  • core7916
  • · Replies 12 ·
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12
How EMI is handled in IC fabrication?
  • Muhammad Usman
  • · Replies 14 ·
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14
Nichrome Wire foam cutter/heater
  • hikarusteinitz
  • · Replies 8 ·
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8
Back EMF cancelation question with multiple coils wound on the same core
  • artis
  • · Replies 10 ·
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10
How can I convert loss units, dB/mm, to mm^-1
  • gps57
  • · Replies 7 ·
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7
About the existence and uniqueness of electrical network solutions
  • cianfa72
  • · Replies 4 ·
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4
Back EMF: Phase-to-Phase Voltage Explained
  • PhysicsTest
  • · Replies 2 ·
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2
Which Circuit is Best for Sampling Voltage and Current in the 250V, 30A Range?
  • core7916
  • · Replies 22 ·
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Induced voltage in loop with multiple switches
  • artis
  • · Replies 7 ·
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7
Generating electrical power from moisture?
  • wvt
  • · Replies 5 ·
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5
Insights The What and Why of Circuit Analysis Assumptions - Comments
  • anorlunda
  • · Replies 22 ·
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22
Relay with High DC Breaking Capacity
  • Farhan Ali
  • · Replies 13 ·
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13
Measuring the inductance of a micron feature size gold coil
  • ubergewehr273
  • · Replies 5 ·
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5
Calc Torque Req for Rotating 35lbs @ 25RPM
  • lulubell
  • · Replies 7 ·
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Canned motor design rotor magnetics
  • artis
  • · Replies 3 ·
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3
Battery protection circuit board
  • lukakopa7
  • · Replies 2 ·
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2
Need a Precision Voltage Divider for -10V to 10V Input and -4V to 4V Output?
  • kelly0303
  • · Replies 15 ·
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Bidirectional current switching with single type transistor
  • artis
  • · Replies 42 ·
2
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Servo duty cycle and overdriving
  • theycallmevirgo
  • · Replies 8 ·
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8
Electric Arc Lighter: Solving Transformer Overcurrent Issues
  • lukakopa7
  • · Replies 21 ·
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Help with proper grounding with oscilloscope tracings
  • imsmooth
  • · Replies 21 ·
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21
Phase currents of Trapezoidal switching
  • PhysicsTest
  • · Replies 4 ·
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4
What is the issue with my boost converter design and how can I fix it?
  • core7916
  • · Replies 55 ·
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Converting oscilloscope voltage to laser power
  • kelly0303
  • · Replies 12 ·
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12
Should the power supply float or be grounded?
  • imsmooth
  • · Replies 9 ·
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9
Need a voltage divider for a capacitor source voltage
  • imsmooth
  • · Replies 78 ·
3
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Reducing the voltage from a servo
  • kelly0303
  • · Replies 11 ·
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11
Voltage source and current source
  • PhysicsTest
  • · Replies 44 ·
2
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44
Receiving High Freq Signals via Passive Downconverter
  • hilbert2
  • · Replies 12 ·
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12
What household objects can pick up radio signals?
  • Muldanian
  • · Replies 14 ·
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14
CE Mark Surge Testing: Protecting Wireless Products
  • dwsexton
  • · Replies 5 ·
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5
Name of the connector used for coax for internet, cable TV, TV antenna
  • yungman
  • · Replies 6 ·
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6
Help with Tektronix differential probes
  • imsmooth
  • · Replies 12 ·
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12
Power Efficiency of Linear Piezo Electric Motors
  • Ahmedbadr132
  • · Replies 6 ·
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6
I need help with a Baldor dc motor, 15kw 240 volt ,150 volt field
  • odbob
  • · Replies 12 ·
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How to calculate HP for motors (alternators)
  • rizwan25
  • · Replies 10 ·
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Outlet adapter to mimic a car battery to power 12V devices
  • DagmaarUlereich
  • · Replies 6 ·
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Can I run cable tv signal and on air tv signal in a single coax?
  • yungman
  • · Replies 9 ·
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Wavelength / signal which would pass through concrete and rubble
  • Jack_A
  • · Replies 7 ·
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7
Mike Engelhardt, LTspice, and S·P·Q·R
  • Baluncore
  • · Replies 1 ·
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Help with understanding of RF theory-Kinetic inductance parametric amp
  • dp20051
  • · Replies 1 ·
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1
How can I solve my ADS EM simulation problem?
  • tadeh89
  • · Replies 3 ·
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3
Op-amp compensation of cascade fudges audio signal oddly
  • Callicious
  • · Replies 3 ·
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3
Power factor of a retrofitted LED unit in a fluorescent fitting
  • Guineafowl
  • · Replies 8 ·
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8
Power consumption of astable multivibrator
  • Ahmedbadr132
  • · Replies 31 ·
2
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Wiring 4 wire US 120V/208V-240V ceramic cooktop to 230V EU outlet.
  • sofarry1
  • · Replies 20 ·
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20
Is the Speed of Electricity Affected by the Length of the Wire?
  • John Mcrain
  • · Replies 14 ·
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14
Why are my terminals not marked on my capacitor?
  • dana198
  • · Replies 25 ·
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Reversible operation of fuel cell
  • Est120
  • · Replies 2 ·
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How to include an ITO layer for Anti-Reflection Coating in Silvaco?
  • miloud22
  • · Replies 1 ·
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Lithium Charging Load Resistance?
  • John-BOOM
  • · Replies 10 ·
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10
Why Does My Rewound Alternator with Copper Wire Not Generate Power?
  • odbob
  • · Replies 28 ·
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28
Looking for a 12VDC motor with low RPM
  • may ki
  • · Replies 4 ·
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4
Formula for Resonant Frequency of 2 Metal Coaxial Cylinders?
  • LarryS
  • · Replies 10 ·
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10
Is a Purely Parallel Magnetic Circuit Feasible?
  • Aswin Sasikumar 1729
  • · Replies 6 ·
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6
Circuit analysis via polyhedron
  • swampwiz
  • · Replies 5 ·
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Circuit Analysis Theorem For the Number of Independent Equations
  • rtareen
  • · Replies 5 ·
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Frequency selective surface radome
  • garryA
  • · Replies 7 ·
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High power RF amplifier at fixed frequency
  • BillKet
  • · Replies 12 ·
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12
Silvaco Atlas Syntax question - area from curve
  • GaNHEMT
  • · Replies 1 ·
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1
Inducing Voltage in a Transformer: How Does It Work?
  • Elquery
  • · Replies 3 ·
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3
Analyzing the Force of Two Disk Magnets on a Metal Plate
  • Kupa140
  • · Replies 2 ·
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2
Detrimental impact of magnetic field on PCB and battery?
  • tchains
  • · Replies 3 ·
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3
Flyback Converter Magnetic Flux Calculation
  • BlackMelon
  • · Replies 4 ·
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4
Trouble building a Buck Converter
  • manoj1996
  • · Replies 14 ·
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14
Is it possible to build a low-voltage Thompson jumping ring apparatus?
  • CrayV
  • · Replies 10 ·
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10
Power Fluctuations in our AC Mains Power Generation Facility
  • sponeill3031
  • · Replies 6 ·
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Best way to measure magnetic waves for electromagnetic induction
  • josh_TMS
  • · Replies 13 ·
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What are the differences between the two package types for MIC29302?
  • bitfoic
  • · Replies 4 ·
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Calculating LED Requirements for Reuse for Scientists
  • Flyboy
  • · Replies 15 ·
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15
Is My Samovar Really 110V or 220V? Decoding the Resistance of the Element
  • ER_Doc
  • · Replies 8 ·
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The use of Riccati equations in optimal control theory
  • John Finn
  • · Replies 3 ·
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3
Circuit equivalent for fitting my data
  • MarkTheQuark
  • · Replies 2 ·
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2
How to wind a 5K audio tube amplifier transformer?
  • gary350
  • · Replies 9 ·
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9
Composite signal generation IC in DIFAR Sonobuoys
  • nauman
  • · Replies 11 ·
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11
How do manufacturers determine the 'rated' quantities for motors?
  • yucheng
  • · Replies 3 ·
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3
Finding the Best Batteries for a 48V EV Motor
  • JoeMac
  • · Replies 8 ·
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8
Earth ground meter Vs Multimeter
  • Neitrino
  • · Replies 1 ·
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Anyone familiar with SFP Fiber Optic Modules?
  • A.J.710
  • · Replies 4 ·
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4
Is Analog Computing Making a Comeback in AI Research?
  • The Art of DHT
  • · Replies 3 ·
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How to add HZO as an Oxide gate in Silvaco TCAD?
  • mhr0003
  • · Replies 1 ·
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1