Electrical Engineering Forum

Post thread
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...
Motor circuit breaker - connections
Replies
1
Views
1K
How Could the Poulcen Arc Operate on Just 50 Volts?
Replies
21
Views
3K
Semantic question on cell circuit symbol
Replies
2
Views
1K
Explosion of 74HC14 IC in Old Stock
Replies
11
Views
2K
Can't See Images? Troubleshoot Here!
Replies
9
Views
2K
What is the impact of distance on induction in electrical cables?
Replies
4
Views
1K
What is causing the square drop in my guitar effect's sine wave?
Replies
15
Views
2K
How to correct for a Leading Power Factor (kVArh)
Replies
9
Views
8K
Potentially silly question re magnetism....
Replies
10
Views
1K
Electric cars: What do you think?
3
Replies
117
Views
10K
I tried to build a radio receiver
Replies
11
Views
2K
I don't know how to use a buck converter....
Replies
11
Views
1K
Troubleshooting PSPICE Errors: Tips for Simulating Your Graph Successfully
Replies
3
Views
1K
Calculating the flux density between two magnets
Replies
5
Views
3K
Drawing Electric Arcs at 230 Volts
Replies
4
Views
2K
Can cell electrodes in series share the same current collector?
Replies
7
Views
2K
I tried to build a flyback converter
Replies
27
Views
2K
Problem in identifying a short circuit in a diagram
Replies
9
Views
2K
How Does a CRT TV Work?
Replies
30
Views
4K
Have a few outlets that test as a slightly dim open ground
Replies
3
Views
7K
Understanding and Tuning Non-Linear PID Controllers for UAVs
Replies
3
Views
2K
Can a Coiled Antenna Receive Radio Signals at 30 MHz?
Replies
26
Views
2K
Why are my living room lights and outlets not working after resetting breakers?
Replies
12
Views
3K
Intuitive way to understand ideal current and voltage amplifiers
Replies
7
Views
2K
What's the total amount of resistance in this kind of circuit?
Replies
4
Views
1K
How Does Negative Feedback Affect System Stability?
Replies
10
Views
2K
Comparison of Induction Heaters
Replies
2
Views
2K
Is My Super Capacitor Power Bank Circuit Safe?
Replies
17
Views
3K
Batteries: Is the current a diffusion current?
Replies
5
Views
2K
Integrated circuits made with GaN HEMTs
Replies
6
Views
1K
Relay and Capacitor circuit - blinking LED
Replies
26
Views
6K
Battery energy efficiency and Coulombic efficiency - what are they?
Replies
2
Views
2K
Share: Pre 1935, Vintage Rotory Transformer
Replies
23
Views
2K
Using multiple alternators at once for a power source
Replies
13
Views
10K
On/Off Ratio Limits: Practical Lower Limit for Logic Functionality
Replies
24
Views
3K
Threshold voltage shift vs temperature
Replies
16
Views
5K
Carbon Microphone & Loudspeaker History: Chicken/Egg?
Replies
20
Views
2K
Some basic questions about a DC motor and a DC generator
Replies
18
Views
4K
Induced/eddy current cancelation in a loop
Replies
26
Views
3K
What are the limitations of using real transistors to build an ideal op-amp?
Replies
4
Views
2K
Why are Mod-10 & Mod-5 decade counters while Mod-6 & Mod-8 not?
Replies
10
Views
4K
Motor/generator solenoid armature
Replies
1
Views
1K
Exploring 8K vs 4K: How to Choose the Right TV Size
Replies
7
Views
2K
What current would a 12 V lead-acid battery draw from a 24 V charger
Replies
22
Views
4K
How to start LM317 regulator from 0 Volts
Replies
13
Views
5K
I'd like to find a power bank circuit with 2.7V input
Replies
4
Views
1K
Looking for software to help me make electromagnets
Replies
19
Views
1K
What is the role of AlGaN in GaN HEMTs?
Replies
1
Views
1K
Does stacking mylar dielectric film reduce it's breakdown voltage?
Replies
2
Views
2K
Trying to calculate the peak current of a Capacitor bank
Replies
15
Views
5K
Power, current, voltage transfer principles
Replies
10
Views
2K
Si IGBT and SiC MOSFET comparison
Replies
1
Views
2K
Subthreshold slope and transconductance
Replies
2
Views
2K
What voltage/current/power meter do you use in your (hobby) projects?
Replies
2
Views
2K
"Class-B" Audio Power Amp with "Current Pumping"
Replies
26
Views
3K
Suggestion for a gas discharge lamp
Replies
18
Views
2K
Stability of an open loop controller
Replies
3
Views
1K
Why do powerplants sell electricity for a negative price?
Replies
10
Views
1K
Eddy currents in an Aluminum substrate PCB
Replies
7
Views
2K
Transmission line resonator
Replies
7
Views
2K
How can I wire a bipolar stepper motor to switches for my laser engraver?
Replies
11
Views
2K
Why Does My Treadmill Start at Full Speed Then Stop?
Replies
6
Views
3K
Do soft errors still occur in today's machines?
Replies
4
Views
1K
Cost of a 50 km range RC system & Type of Antenna
Replies
12
Views
2K
Obtaining the series and shunt resistance of a photodiode from the datasheet
Replies
3
Views
3K
Technology behind the small jump-starters for cars?
Replies
8
Views
4K
Basics of RF coil development for MRI
Replies
11
Views
3K
What happens when electric current is distributed in the material?
Replies
5
Views
2K
How Does Lenz's Law Apply to Induction Motors?
Replies
7
Views
4K
Understanding Radio Bands: Amplitude & Frequency
Replies
45
Views
5K
Adiabatic switching time of a filament lamp
Replies
8
Views
2K
I have been trying to create an air-core electromagnet with no luck
2
Replies
76
Views
10K
Using a capacitor for RFI protection
Replies
8
Views
2K
Thermal radiation in CMOS transistors
Replies
20
Views
2K
How does an antenna work with harmonics?
Replies
5
Views
3K
How does a Capacitor protect against voltage spikes?
Replies
28
Views
14K
Electromagnetic Induction -- Insane Idea
Replies
15
Views
1K
Help with a control system for a hydroelectric tank
Replies
3
Views
1K
Freeware for Nanoantenna Calculation
Replies
1
Views
966
Optimizing Insulator Spacing for High Strength Busbar Systems
Replies
10
Views
3K
How can I effectively suppress Poisson noise in my data?
Replies
19
Views
2K
What is the Sun's energy content at the Earth's equator?
Replies
7
Views
2K
How to calculate the inductance of a center tapped solenoid ?
Replies
5
Views
3K
Convert Lux to RGB: 4 Values to RGB/Hex Color
Replies
11
Views
4K
Troubleshooting a Boost Converter Circuit
Replies
36
Views
5K
Units of Fourier Transform (CTFT) vs spectral density
Replies
2
Views
2K
Introductory Circuit Analysis—power ratings
Replies
6
Views
2K
How to convert 1 frequency to a lower frequency?
Replies
8
Views
2K
Description of a telemetry transmitter
Replies
6
Views
1K
Circuit design question -- 100% transistor functionality needed?
Replies
16
Views
2K
Voltage between two points on an empty wire and also across a resistor
Replies
12
Views
2K
How to build a radio relay station?
Replies
19
Views
3K
How Does Amplitude Modulation Work in Radio Transmission?
Replies
5
Views
2K
The power spectrum of Poisson noise
Replies
7
Views
2K
What is the Relative Permeability of Iron in a Solenoid?
Replies
6
Views
2K
Infrared Lamp vs Red Heat Lamp: What's the Difference?
Replies
4
Views
5K
Why Does My FFT Integration Method Produce Nonzero Imaginary Parts?
Replies
8
Views
2K
Best way to match impedance between an amplifier and transducers
Replies
23
Views
3K
Battery Charge and Discharge Time Calculations
Replies
14
Views
3K
Hacked pulsed laser driver using Arduino
Replies
32
Views
4K