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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...
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Title
Diagnosing and Repairing a Faulty Inverter: Tips from a Scientist
Sep 6, 2020
2
Replies
54
Views
10K
Switching scheme in an inverter
Sep 5, 2020
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Accounting for mutual inductance in a Hartley Oscillator
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Capacitive soil moisture sensor using TLC555
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14
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7K
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What percentage of heat is generated from LED lighting?
Aug 13, 2020
Replies
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Another angle of "Why do you need a line 2 on a circuit?"
Aug 11, 2020
Replies
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Noninverting op amp doesn't work on a highly resistive load
Aug 11, 2020
Replies
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Difference in these two concepts of Magnetic Torque
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Force on a current carrying conductor
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Arcing in electrical relay contacts due to different types of loads
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11
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How can I safely energize a suspect alternator
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16
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Couple Questions about this Resistor Datasheet
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4
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Electrical conduction through air
Aug 3, 2020
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26
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Need help for project plans (Solar and Wind Generator)
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4
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Engineering Limits Challenged: Metering Device Project
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Replies
49
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7K
Where is the demodulator in this AM receiver?
Aug 2, 2020
Replies
12
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3K
Relation between electric motor and battery current, peak etc.
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3
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Using a low voltage supply in a class B amplifier
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25
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3K
What approach should be used when solving a circuit?
Jul 31, 2020
2
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56
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What is the significance of using U/2I in four point probe theory?
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Voltage Substractor simple circuit
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31
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12V Tractor Battery supply: Losing Power Supply
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7
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Fundamentals of the PN Junction
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12
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Diffusion current and carrier concentration equilibrium (unbiased)
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1
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How Can I Get Help with a Comsol Simulation for Nanoparticles?
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Good LED bulb will not work in a socket
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21
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How to determine UV lamp dosage values of 10-20 mJ/cm2
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5
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Buck Converter with USB-C output
Jul 23, 2020
Replies
2
Views
2K
Help designing an electrical circuit for camper van
Jul 23, 2020
Replies
5
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Encasing an electronic prototype
Jul 22, 2020
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8
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1K
A different angle of Why do you need a line 2 on an AC circuit?
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Replies
13
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Wireless routers vs. microwave ovens
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2
Replies
72
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6K
Problems figuring out this inductance formula
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Replies
7
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Function of this piece in a loudspeaker?
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Replies
13
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Building a three phase motor -- figuring out how many poles
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22
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Not able to get the desired output frequency using a Wein Bridge Oscillator
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24
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Dr. Middlebrook's "Technical Therapy For Analog Circuit Designers"
Jul 6, 2020
Replies
4
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Alternator Field Winding Question
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3
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3K
Understanding 5G Beamforming Using Phased Arrays
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Rewiring of a stator - The math behind it
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1
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The RPM of Dyson DC04 vacuum motor and more....
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Rotating waveguide antenna (rotating marine radar)
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34
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The REAL difference between a Galvanometer and an Ammeter
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6
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How Do You Calculate Forces when The Lorentz Force Doesn't Seem to Apply?
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26
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RLC-circuits where phasor diagrams don't work
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6
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Ladder-like bandpass filter theoretical analysis problem
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20
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The Lorentz Force Law Can be Completely Inaccurate
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1
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1K
Need to use a rectifier.... but where to put it?
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7
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What Could Be Causing My 3 Phase Motor to Lack Power and Torque?
Jun 26, 2020
Replies
23
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How does electron speed affect electric power?
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11
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Connecting Two 30x10mm2 Earth Busbars: Min. Conductor Cross Section
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2
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DIY Continuity Tester: Increase Sensitivity | Matt
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1
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2K
Physical/conceptual reason for inductor voltage step response
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4
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2K
Specific Absorption Rate(SAR) - caused from radio frequency from mobile phones
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11
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What does this DC motor supply do?
Jun 13, 2020
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9
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The important non-fundamental electrical components?
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13
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Long Distance Wireless Power Transmission
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8
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Are ISFETS available for cheap or am I out of luck
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7
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Signal classification and processing for a gesture sensor module
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7
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How to estimate the measurement uncertainty of an oscilloscope ?
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6
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3K
GridTie Synchronous Generation Project Using Carbon Neutral Flare Gas
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9
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1K
Is a 1 Ohm reading normal for a cold 12 volt thermistor?
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14
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Transformer Coupled Class A amplifier Single supply
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3
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Building a DIY multimeter for my school project
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9
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Effect of doping concentration on the depletion width of p-n junction diodes
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11
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Designing a DC Motor Torsional Spring Circuit with Arduino Uno
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12
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DC generator: Induced EMF of a single coil armature
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How Are Materials for Infrared Sensors Selected and Developed?
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1
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12
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Homemade solenoids and professional solenoids
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15
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Which Circuit Breaker Switch to Turn?
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How does regenerative braking vary the load?
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11
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Safe to charge a Lithium Battery with a Voltage Limit?
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2
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2K
What is the metallic circular component in this voltage sensor?
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Replies
7
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Build Your Own AC Generator: How to Create 2V for an LED
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10
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Question about electrical networks
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11
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1K
Why Not Stack Busbars?
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Is Wall-Mounted Solar Production More Efficient in Winter at High Latitudes?
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Replies
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Pass current to "burn" stray vias?
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14
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I need a controller for this 25kW DC Brushless Motor
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6
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1K
What is the meaning of "Long time maximum output current ≥ 1.5 A"?
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Transformer without separate primary and secondary windings....
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Concentric coils for power generation
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1K
DC Motor "TACHO ERROR": Solutions & Causes
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Why this Simple Watt Meter for a 220 Volt Circuit works?
May 15, 2020
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4
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DIY wideband antenna VSWR - beginner
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8
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Need help with a parallel inductance calculation for this transformer
May 10, 2020
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2
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EMF below Power Transmission Lines
May 9, 2020
Replies
2
Views
2K
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