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...
I Don't Understand Transformers/How to Apply Them
  • · Replies 81 ·
3
Replies
81
Views
8K
What is the functionality of the LM3914V driver?
  • · Replies 3 ·
Replies
3
Views
2K
Can RF101 Diodes Be Used in Low-Frequency Recovery Circuits?
  • · Replies 7 ·
Replies
7
Views
2K
Longevity of 120V- vs. 240V-wired motor?
  • · Replies 5 ·
Replies
5
Views
2K
3 Phase Harmonics and Solid State Relay Issues
  • · Replies 26 ·
Replies
26
Views
4K
Mechanical_Thermal & Iepak in AEDT
  • · Replies 1 ·
Replies
1
Views
582
50Hz and 60Hz supply neutral line question
  • · Replies 9 ·
Replies
9
Views
3K
Does Heinrich Hertz' apparatus include a proper antenna?
  • · Replies 4 ·
Replies
4
Views
1K
Tuning a PID with extraneous noise on the error signal
  • · Replies 13 ·
Replies
13
Views
4K
Do concentric coils steal power from one another?
  • · Replies 3 ·
Replies
3
Views
2K
Grim Day on the Texas Power Grid
  • · Replies 151 ·
6
Replies
151
Views
13K
Circuit breakers trip on *power* overload?
  • · Replies 12 ·
Replies
12
Views
2K
Is it safe to cover a floor lamp with an Aluminum metal pie plate?
  • · Replies 13 ·
Replies
13
Views
2K
Need help with Axial flux generator
  • · Replies 2 ·
Replies
2
Views
1K
To get potentiometer recommendation
  • · Replies 19 ·
Replies
19
Views
2K
RC Phase Shift Oscillator not Oscillating
  • · Replies 41 ·
2
Replies
41
Views
7K
Shielding Dirty Electricity Ground Current
  • · Replies 8 ·
Replies
8
Views
2K
Metering a Single Phase 208 VAC Circuit
  • · Replies 77 ·
3
Replies
77
Views
8K
What are these DWV pipes with cables inside for?
  • · Replies 17 ·
Replies
17
Views
2K
What is the potential difference between two phases in 3-phase power?
  • · Replies 8 ·
Replies
8
Views
4K
What does ZPB mean in power systems?
  • · Replies 5 ·
Replies
5
Views
4K
Power Over Fiber for Small Sensors
  • · Replies 20 ·
Replies
20
Views
2K
Powering My Car's Electric Turbo: Alternators & Battery Charge
  • · Replies 7 ·
Replies
7
Views
2K
What is the possible risk of switch in its mid-way?
  • · Replies 5 ·
Replies
5
Views
1K
Thoughts for a low-power 60Hz 120Vrms signal generator please
  • · Replies 47 ·
2
Replies
47
Views
5K
How can I calculate the necessary inductance for a half wave helical antenna?
  • · Replies 16 ·
Replies
16
Views
5K
Find Frequencies in Signal with Random Sample Rate
  • · Replies 6 ·
Replies
6
Views
1K
Question about the energy stored in an RLC parallel resonant network
  • · Replies 44 ·
2
Replies
44
Views
6K
What is the voltage allowed Earth to Nuteral
  • · Replies 1 ·
Replies
1
Views
1K
Samsung double door fridge overload relay changed 3 times in 2 weeks
  • · Replies 12 ·
Replies
12
Views
4K
LED module failing due to DC motor?
  • · Replies 17 ·
Replies
17
Views
3K
Basic MOSFET Thermal Design: Parameter Calculations from Datasheet
  • · Replies 8 ·
Replies
8
Views
2K
Space charge region of p-n junction diode
  • · Replies 1 ·
Replies
1
Views
2K
Spectrometer sensitivity (photons/count) at different wavelengths
  • · Replies 5 ·
Replies
5
Views
2K
Magnetics Question; is the Answer Really as Obious as it Might Seem?
  • · Replies 8 ·
Replies
8
Views
2K
How to Choose Between FDTD, FEM and MoM | Open-Source Codes
  • · Replies 5 ·
Replies
5
Views
4K
Efficiency Analysis of a Voltage Multiplier Circuit
  • · Replies 27 ·
Replies
27
Views
4K
Understanding diode (LED) resistance at V=0
  • · Replies 11 ·
Replies
11
Views
2K
Block diagram showing how to turn white noise into rain
  • · Replies 22 ·
Replies
22
Views
2K
What is the limiting factor for the maximum speed of stepper motors?
  • · Replies 2 ·
Replies
2
Views
2K
Rotating radar time domain data
  • · Replies 17 ·
Replies
17
Views
2K
Formula to calculate the pull force between a magnet and a steel plate
  • · Replies 9 ·
Replies
9
Views
16K
Simulate Leakage Current - Reverse Bias Diode
  • · Replies 7 ·
Replies
7
Views
4K
Wiring 3/4 HP Submersible Well Pump - Is #10 OK?
  • · Replies 1 ·
Replies
1
Views
3K
Understanding an Inverter Simulation
  • · Replies 26 ·
Replies
26
Views
4K
Ion flow through a charged tube
  • · Replies 20 ·
Replies
20
Views
2K
Substitute PID Controls with a Polynomial Equation/Table?
  • · Replies 3 ·
Replies
3
Views
1K
What happened to make my battery melt?
  • · Replies 9 ·
Replies
9
Views
2K
Torque Production in Eddy Current Motors
  • · Replies 18 ·
Replies
18
Views
4K
RF Energy Harvesting Simulation
  • · Replies 4 ·
Replies
4
Views
1K
Two-port linear network general representation AV + BI = 0
  • · Replies 11 ·
Replies
11
Views
2K
Transistor theory question involving the base current
  • · Replies 41 ·
2
Replies
41
Views
5K
Checking the Back EMF of a Motor
  • · Replies 6 ·
Replies
6
Views
4K
Using an inductor choke as a receiving antenna for LW radio
  • · Replies 14 ·
Replies
14
Views
3K
Gain limiter circuit in LTspice - current flowing in wrong direction
  • · Replies 7 ·
Replies
7
Views
3K
Production of the magnetic field from 3-phase currents
  • · Replies 1 ·
Replies
1
Views
1K
Aliasing Phase Shift: Determining Phase Shift
  • · Replies 10 ·
Replies
10
Views
3K
Transmission line with 2x termination
  • · Replies 6 ·
Replies
6
Views
1K
What's wrong in my LTspice simulation of an Op-Amp integrator circuit?
  • · Replies 9 ·
Replies
9
Views
7K
Can I replace a 4 ohm speaker with a 4 ohm power resistor?
  • · Replies 3 ·
Replies
3
Views
2K
Amplifier for piezoelectric sensor, OP Amp circuit
  • · Replies 6 ·
Replies
6
Views
5K
Earth grounding problems and RCDs (Strictly a UK scenario, I think)
  • · Replies 16 ·
Replies
16
Views
4K
When to Use a Two-Port Representation for a Quadripole in External Circuits?
  • · Replies 1 ·
Replies
1
Views
2K
Troubleshooting a FET-controlled car tailgate
  • · Replies 15 ·
Replies
15
Views
3K
White stuff of ants colony inside electronics
  • · Replies 10 ·
Replies
10
Views
3K
What makes antenna grounding "good"?
  • · Replies 25 ·
Replies
25
Views
4K
What factors affect the induced voltage in an induction circuit?
  • · Replies 3 ·
Replies
3
Views
1K
Something is wrong with my simple solder job?
  • · Replies 7 ·
Replies
7
Views
2K
Verifying a circuit design with voltage regulators
  • · Replies 6 ·
Replies
6
Views
2K
How do you calculate the series resistance for this Triac control circuit?
  • · Replies 10 ·
Replies
10
Views
5K
Source Level calculations of an Underwater Cylindrical Acoustic Array
  • · Replies 19 ·
Replies
19
Views
3K
Why Did My Wire Burn When I Turned On the Switch?
  • · Replies 1 ·
Replies
1
Views
2K
AC RPM and the amount of Reactance
  • · Replies 3 ·
Replies
3
Views
1K
Can someone give me a better intuition of bandwidth?
  • · Replies 23 ·
Replies
23
Views
2K
Can I use individual capacitor IR for parallel circuit balancing resistors?
  • · Replies 3 ·
Replies
3
Views
2K
Synchronous Buck Converter Switching
  • · Replies 5 ·
Replies
5
Views
2K
Maxwell3D Error -- Unable to locate COM Engine on 'Local Machine'
  • · Replies 1 ·
Replies
1
Views
2K
High Power Rectifiers - AC Conversion?
  • · Replies 14 ·
Replies
14
Views
2K
News and Updates for Homeschool Parents "Latest News for Homeschool Parents
  • · Replies 10 ·
Replies
10
Views
2K
What type of dielectric is used in an NP0 capacitor?
  • · Replies 3 ·
Replies
3
Views
1K
Different methods of strengthening a magnetic field.
  • · Replies 5 ·
Replies
5
Views
2K
Creating a stable 5V DC supply out of 6 V (RMS) AC
  • · Replies 63 ·
3
Replies
63
Views
8K
How Does Project 122 Snap Circuit AM Transmitter Work?
  • · Replies 35 ·
2
Replies
35
Views
6K
IEC type power cord not correctly labeled
  • · Replies 17 ·
Replies
17
Views
4K
Voltage detection in electrical cables
  • · Replies 7 ·
Replies
7
Views
2K
Skin depth of multilayered (2-layer) wire
  • · Replies 9 ·
Replies
9
Views
3K
Minimum Tone Spacing: Coherent Frequency Shift Keying
  • · Replies 17 ·
Replies
17
Views
4K
Are My Nets Aligned with Pins in PSpice(9.1) Netlist Error?
  • · Replies 12 ·
Replies
12
Views
4K
Calculating the resistance in a compensating circuit for a thermocouple
  • · Replies 8 ·
Replies
8
Views
3K
Semiconductor -- Conduction and Valence bands
  • · Replies 1 ·
Replies
1
Views
2K
How to define PV module IV curve using given parameters
  • · Replies 9 ·
Replies
9
Views
2K
Does every control system contain an integrator?
  • · Replies 10 ·
Replies
10
Views
3K
Is an Incandescent Lightbulb Truly a Non-Ohmic Device?
  • · Replies 12 ·
Replies
12
Views
3K
Digital Filters: why is sampling frequency equal to 2*pi unit circle
  • · Replies 5 ·
Replies
5
Views
3K
Small-florida-community-aims-for-energy-independence
  • · Replies 4 ·
Replies
4
Views
856
What Gauge Wire Should Be Used for the Neutral in a 240VAC Circuit?
  • · Replies 13 ·
Replies
13
Views
3K
Why do you discharge the anode first.
  • · Replies 4 ·
Replies
4
Views
1K
Don't know how to make an ultrasonic sensor circuit....
  • · Replies 1 ·
Replies
1
Views
2K
Resistor is connected parallel to Voltage Source
  • · Replies 2 ·
Replies
2
Views
2K
Can increasing voltage or changing the motor size help maximize servo torque?
  • · Replies 4 ·
Replies
4
Views
3K