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...
Reverse Recovery Time Explained: Simple Guide
  • · Replies 6 ·
Replies
6
Views
2K
How do I obtain a usable 60 volts for my singing arc?
  • · Replies 6 ·
Replies
6
Views
3K
Can Emerging Battery Technologies Approach the Energy Density of Liquid Fuels?
  • · Replies 4 ·
Replies
4
Views
2K
How Does Resistance Distribute Along the Length of a Resistor?
  • · Replies 4 ·
Replies
4
Views
2K
Find the Perfect Heat Sink: Closed Four-Sided Design with Open Ends
  • · Replies 2 ·
Replies
2
Views
2K
Can electrons pile up in a conductor
  • · Replies 12 ·
Replies
12
Views
3K
How to convert AC Watts to DC Watts
  • · Replies 9 ·
Replies
9
Views
43K
Need a stable 5V 7A Power Supply
  • · Replies 15 ·
Replies
15
Views
4K
Why is the Norelco 1.1kW step-down device so compact?
  • · Replies 6 ·
Replies
6
Views
2K
What Makes the Wheatstone Bridge Ideal for Measuring Small Resistances?
  • · Replies 5 ·
Replies
5
Views
24K
How EMR interacts with matter and how antennas differ to other rods
  • · Replies 15 ·
Replies
15
Views
3K
Any frequency sweep feature in LTSpice?
  • · Replies 11 ·
Replies
11
Views
21K
Are Relays the Electrical Equivalent of Mechanical Switches?
  • · Replies 2 ·
Replies
2
Views
2K
DC vs AC Parameters: Understanding the Difference
  • · Replies 6 ·
Replies
6
Views
7K
How to Measure the Bandwidth of an LNA?
  • · Replies 4 ·
Replies
4
Views
3K
How Does Generator Size Affect Weight at Different Speeds?
  • · Replies 4 ·
Replies
4
Views
2K
What are the Convolution Intervals for Step Function and Exponential Decay?
  • · Replies 1 ·
Replies
1
Views
3K
Adding New Section Panel: Do We Need a Separate Feeder & Breaker?
  • · Replies 2 ·
Replies
2
Views
2K
Why do we need setup and hold time?
  • · Replies 4 ·
Replies
4
Views
8K
What is the Quiescent Operating Point for FET's?
  • · Replies 5 ·
Replies
5
Views
3K
A Parallel AND a Series circuit
  • · Replies 5 ·
Replies
5
Views
3K
A problem with display on an oscilloscope
  • · Replies 1 ·
Replies
1
Views
2K
Voltage Fluctuations in Arduino-opamp-thermistor circuit
  • · Replies 1 ·
Replies
1
Views
3K
How to Boost 0.3V to 5V for Capacitor Charging?
  • · Replies 19 ·
Replies
19
Views
10K
The difference of Back EMF waveform shape of BLDC and brushless PM generator
  • · Replies 12 ·
Replies
12
Views
15K
Power electronic switches VS dc contactor
  • · Replies 1 ·
Replies
1
Views
2K
RL-circuit with a switch, with the differential equation.
  • · Replies 4 ·
Replies
4
Views
3K
Motors for a scale model plane (airfix not rc)
  • · Replies 1 ·
Replies
1
Views
1K
Balanced load at home means no current on the neutral?
  • · Replies 4 ·
Replies
4
Views
3K
Diode in a series LC circuit and voltage at resonance?
  • · Replies 15 ·
Replies
15
Views
13K
Need help setting up multi potentiometers.
  • · Replies 5 ·
Replies
5
Views
2K
Understanding FET Maximum Ratings: DC vs Pulsed Drain Current
  • · Replies 1 ·
Replies
1
Views
2K
What is an Active*low*Input*and edge* triggered input?
  • · Replies 4 ·
Replies
4
Views
3K
Inductive Torque sensing demystified
  • · Replies 9 ·
Replies
9
Views
6K
How is a pole mounted transformer wired?
  • · Replies 16 ·
Replies
16
Views
40K
Are Modular Synthesizers the Future of Music Creation?
  • · Replies 6 ·
Replies
6
Views
2K
FDM vs OFDM: Why Can OFDM Overlap Without ICI?
  • · Replies 4 ·
Replies
4
Views
8K
Why Is Transformer Secondary Voltage In Phase With Primary Despite Lenz's Law?
  • · Replies 25 ·
Replies
25
Views
13K
Powering a Railgun: Generating High Currents & Calculating Velocity
  • · Replies 2 ·
Replies
2
Views
2K
Can someone explain the workings of this FM transmitter circuit in detail?
  • · Replies 6 ·
Replies
6
Views
11K
Discrete time Derivative/Integration mechanisms in DSP.
  • · Replies 4 ·
Replies
4
Views
4K
How Do You Determine if a System is Causal and Distinguish Between FIR and IIR?
  • · Replies 1 ·
Replies
1
Views
2K
How Does Rotor Pole Count Affect AC Motor Performance?
  • · Replies 4 ·
Replies
4
Views
16K
Understanding High Pass Filter: Plate Behavior and Phase Shift
  • · Replies 1 ·
Replies
1
Views
3K
Can I share an AC neutral w/ two different voltage requirements?
  • · Replies 8 ·
Replies
8
Views
10K
Can Magnetic Induction Affect Measurements in Non-Conservative Fields?
  • · Replies 9 ·
Replies
9
Views
2K
Current through short-circuit inductor
  • · Replies 12 ·
Replies
12
Views
7K
Dielectric Polarization and leakage effects?
  • · Replies 2 ·
Replies
2
Views
3K
Question about capacitor voltage and inner dielectric effects?
  • · Replies 2 ·
Replies
2
Views
2K
Calculating Amperage from a 3 Farad Capacitor
  • · Replies 4 ·
Replies
4
Views
8K
Electromagnetic Induction Without Air Core
  • · Replies 8 ·
Replies
8
Views
3K
How can I protect my DC series motor starter from frequent damage?
  • · Replies 18 ·
Replies
18
Views
4K
Find Replacement for LM1013 IC - Need Help
  • · Replies 5 ·
Replies
5
Views
2K
JFET Clarification: Why the Depletion Region is Wider near the Top?
  • · Replies 1 ·
Replies
1
Views
2K
Voltage spike in alternator when phases are shorted?
  • · Replies 5 ·
Replies
5
Views
4K
RLC circuit resistance, inductance and capacitance
  • · Replies 6 ·
Replies
6
Views
5K
Help w/ Signal Generator (voltage varies w/ freq adjustment)
  • · Replies 11 ·
Replies
11
Views
4K
Multi inductor or capacitor RLC circuits
  • · Replies 7 ·
Replies
7
Views
3K
Branch Circuits: What is and isn't?
  • · Replies 10 ·
Replies
10
Views
4K
How Does the Depletion Region Influence Diode Behavior in Forward Bias?
  • · Replies 5 ·
Replies
5
Views
2K
Voltage in Circuits: Why Does Potential Difference Appear?
  • · Replies 6 ·
Replies
6
Views
2K
Thermal gradients in electrical paths of thermocouple conductors
  • · Replies 1 ·
Replies
1
Views
2K
Impedance: What is it & How Does it Differ from Resistance?
  • · Replies 10 ·
Replies
10
Views
3K
Waveguide discontinuity with centered circular aperture
  • · Replies 2 ·
Replies
2
Views
2K
Piezoelectric actuator in water
  • · Replies 1 ·
Replies
1
Views
2K
A 25W Light Bulb Married a GE Clock/Radio
  • · Replies 4 ·
Replies
4
Views
2K
Can anyone please tell me more about local oscillator?
  • · Replies 7 ·
Replies
7
Views
6K
Tesla circuit radio mining for electrically independent house?
  • · Replies 1 ·
Replies
1
Views
2K
Robotic Table Tennis Player: Selecting Motors for High Response
  • · Replies 4 ·
Replies
4
Views
2K
How to recharge neodymium magnets?
  • · Replies 10 ·
Replies
10
Views
26K
Using a hototransistor to follow a light source
  • · Replies 4 ·
Replies
4
Views
2K
Calculating Current from a Function Generator
  • · Replies 4 ·
Replies
4
Views
2K
Demand factor for the medical equipments
  • · Replies 1 ·
Replies
1
Views
2K
Working out voltage drop and current flowing through a circuit
  • · Replies 1 ·
Replies
1
Views
3K
Increasing power supply to building
  • · Replies 11 ·
Replies
11
Views
3K
Creating a signal amplifier using circuits
  • · Replies 4 ·
Replies
4
Views
4K
A standard form of Complex Frequency can only have two terms?
  • · Replies 2 ·
Replies
2
Views
2K
Charging two parallel capacitors one of them is %50 charged
  • · Replies 14 ·
Replies
14
Views
3K
Is it incorrect to say when the voltage arrives to point X
  • · Replies 10 ·
Replies
10
Views
2K
I want to know what do diodes facing opposite each other do?
  • · Replies 4 ·
Replies
4
Views
9K
Why is it important to consider current and voltage when thinking about power?
  • · Replies 13 ·
Replies
13
Views
3K
Measuring distance from an RF beacon
  • · Replies 11 ·
Replies
11
Views
13K
Dead Car Battery Load when car off
  • · Replies 21 ·
Replies
21
Views
7K
Does the inverter can be used as a power sourse
  • · Replies 9 ·
Replies
9
Views
2K
Understanding Electromagnetic Waves
  • · Replies 4 ·
Replies
4
Views
2K
What Determines the 0.2V Saturation Voltage in BJTs?
  • · Replies 1 ·
Replies
1
Views
5K
Rectifier circuit: What am I doing wrong?
  • · Replies 6 ·
Replies
6
Views
4K
Why is My Laptop Battery Failing After One Year of Use?
  • · Replies 1 ·
Replies
1
Views
2K
Driving requirement of a typical ear phone of small walkman or IPOT
  • · Replies 2 ·
Replies
2
Views
2K
Why is Coax Shielding Important for Signal Integrity?
  • · Replies 9 ·
Replies
9
Views
3K
DC-DC power conversion and voltage regulators
  • · Replies 5 ·
Replies
5
Views
3K
Help Me Find Resistor Network Specs for My Circuit Board
  • · Replies 2 ·
Replies
2
Views
2K
Selecting the Right MOSFET for Low Voltage and High Frequency Applications
  • · Replies 2 ·
Replies
2
Views
2K
What's the point of biasing any transistor?
  • · Replies 15 ·
Replies
15
Views
3K
Build RLC Oscillator Circuit: Real-Life Examples & Falstad Simulation
  • · Replies 8 ·
Replies
8
Views
4K
What Are the Two Types of Threshold Voltage (Vth) in MOSFETs?
  • · Replies 1 ·
Replies
1
Views
3K
Low Power FM transmitter explanation
  • · Replies 4 ·
Replies
4
Views
2K
Basic LED circuit, 9v battery, what resistors to use?
  • · Replies 5 ·
Replies
5
Views
15K
Why Do Motors Draw More Current During Brownouts?
  • · Replies 9 ·
Replies
9
Views
5K
Measuring Resistance in Series & Parallel: Unknown Values
  • · Replies 2 ·
Replies
2
Views
2K