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...
Could Wireless Electricity Revolutionize Energy Use Without Health Risks?
Replies
4
Views
3K
Caframo ecofan thermoelectric device
Replies
4
Views
8K
Does your brain outpower a computer?
Replies
44
Views
9K
Simple inverter schematic? (Solid state, no coil.)
Replies
7
Views
18K
Losses in power transmission lines
Replies
9
Views
11K
Hi,If I keep the primary voltage constant
Replies
13
Views
4K
Need help locating high power shunt resistor
Replies
6
Views
3K
Is ULN2064B Safe for 24V Stepper Motors?
Replies
5
Views
3K
Images in the frequency domain
Replies
2
Views
3K
Troubleshooting My Timer: Why Won't My Relay Open and Shut?
Replies
3
Views
3K
Transform DC to AC with a Solar Panel Circuit
Replies
5
Views
2K
Microprocessor controlled light dimmer?
Replies
9
Views
11K
Battery operated electronics and water
Replies
2
Views
3K
How Can I Build a Sound Activated Shutter for High Speed Photography?
Replies
8
Views
5K
Connecting HP 4140B pA Meter for VI Curve Measurement
Replies
9
Views
3K
Cheap function generator options.
Replies
1
Views
4K
Designing Circuits: RF & Sensor Basics for Self-Study
Replies
7
Views
3K
Low pass filter or envelope detector in Excel
Replies
9
Views
18K
Help On Engineering Probability Resources
Replies
2
Views
2K
Determining R & X from 1 AC Measurement
Replies
8
Views
3K
Gain saturation in EDFA amplifiers
Replies
2
Views
5K
Flash Drive Memory Specifics-For Legal Reasons
Replies
3
Views
4K
Building Devices for College Admissions: Advice and Safety Precautions
Replies
7
Views
2K
How Does a Potential Effect Transistor Work?
Replies
4
Views
4K
What's a good way to measure liquid's pressure and/or velocity?
Replies
4
Views
4K
CM input range of instrumentation amp
Replies
2
Views
2K
Charging Camcorder Overseas - 220V: Do I Need an Adapter?
Replies
8
Views
2K
Phasor Representation: Vrms/Irms or Vmax/Imax?
Replies
1
Views
2K
Babylon AD & OLED: Charting the Future of Tech
Replies
8
Views
5K
Noises on Phone line when touching appliances
Replies
1
Views
2K
Solving 555 Timer Issues with RH Over 45%
Replies
2
Views
3K
Understanding Op-Amp: Get Help with Physics & Functions
Replies
4
Views
5K
Controlling Induction Motor Speed with Fixed Frequency Supply
Replies
1
Views
3K
What source puts out the strongest power signal on earth?
Replies
12
Views
5K
Whos right? - capacitor to capacitor discharge.
Replies
4
Views
12K
Big project question - salami drying room
Replies
12
Views
10K
How to Design a Simple, No-Solder Circuit for a Charity Fair Game?
Replies
7
Views
4K
Cost Implications Of Low Power Factor
Replies
5
Views
4K
Possibility of HUD in Motorcycle Helmet
Replies
1
Views
11K
Passive vs Active Components in Capacitors and Inductors: What's the Difference?
Replies
4
Views
3K
Can Adder and Divider Circuits Be Used to Create Closed Loop Inverter Equations?
Replies
6
Views
8K
How do you capture this long waveform?
Replies
4
Views
2K
H Is a low, leading power factor causing our subsea power distribution issues?
Replies
5
Views
4K
Generating using a DC brushed motor
Replies
4
Views
4K
Detecting wheel slip from DC motor on low friction surface
Replies
11
Views
7K
Designing a Rotating Holder: Tips and Tricks
Replies
8
Views
2K
Help with 6 Axis DC Motor Control
Replies
5
Views
2K
Computer specs needed for university
Replies
1
Views
3K
Car Battery and 120vac 100 watt bulb
Replies
9
Views
9K
Constant output from measuring angular speed
Replies
7
Views
3K
What Steps Define a Scientist's Writing Process?
Replies
1
Views
2K
How Does a Second Order High-Pass Filter Create Energy at Cutoff Frequency?
Replies
10
Views
20K
A way to automatically adjust a variable resistor?
Replies
5
Views
10K
Want to Program a 555 Timer? Here's What You Need!
Replies
13
Views
15K
Any good sources for starter motors (without gearbox/solinoid)?
Replies
1
Views
2K
Building a Frequency to Voltage Converter
Replies
7
Views
29K
Mobile charging using batteries
Replies
8
Views
3K
Why are electric space heaters only 100% efficient?
Replies
19
Views
23K
Connect a antenna with 75Ω line impedance to VNA
Replies
13
Views
5K
How can I convert 12v from a battery to 5v for monitoring in a jeep?
Replies
8
Views
8K
How to plot frequency vs gain for a filter?
Replies
5
Views
14K
Ideal Low-Pass Filter: Output When Gain ≠ 0 for f > F
Replies
22
Views
6K
Question on equation for instantaneous E field along the transmission medium.
Replies
5
Views
2K
What is the capacitance of a wire mesh parallel to a solid plane?
Replies
3
Views
4K
PC Power Consumption: Can I Use a UPS to Supply Voltage?
Replies
1
Views
4K
Can Transistors Be Used as Zener Diodes?
Replies
1
Views
14K
Power Supplies, resistors, and ohm's law
Replies
5
Views
7K
Value of Voltage Reflection Coefficient
Replies
2
Views
7K
Understanding DC Motors: Heat, Wire Thickness & Multiple Speeds
Replies
9
Views
13K
In am Electrical Generator, where do the Electrons come from?
Replies
21
Views
49K
Waveguide loss measurement- endfire coupling
Replies
1
Views
3K
Sources for 1D Signal Decimation - Books & URLs
Replies
1
Views
5K
The Mystery of Computer Parts Doubling in 18 Months
Replies
4
Views
2K
Why use thick wire over thin wire in electronic circuits?
Replies
18
Views
87K
Orientation of 8-Pin IC Without Notch: Help Needed
Replies
5
Views
20K
Mastering DSP: Fourier Series & Transforms
Replies
4
Views
3K
Dipole antenna theory: a few questions
Replies
6
Views
9K
Can coax cause distortion in signals?
Replies
7
Views
6K
Make a 2 tenth MicroHenry Inductor | DIY TV Transmitter
Replies
9
Views
3K
Protecting Your Power Supply: Using Resistors with Electromagnets
Replies
3
Views
3K
Help: line transmission question
Replies
4
Views
3K
Two questions about dc-dc converter.
Replies
5
Views
4K
Diameter vs current rate of a copper wire
Replies
3
Views
28K
Why do 3 phase balanced faults cause such high fault currents?
Replies
5
Views
7K
White line sensor circuit, determening currents
Replies
14
Views
5K
Empowering Your Electrical/Mechanical Eng. Vocab: Recommended Books
Replies
1
Views
3K
Any good antenna theory and design book with solution manuel available?
Replies
6
Views
9K
Troubleshooting Multisim Simulation of 4017 Chip
Replies
3
Views
2K
Understanding how transistors work
Replies
8
Views
3K
How does frequency multiplexing work ?
Replies
3
Views
8K
Understanding Capacitive Circuits: The Relationship Between Current and Voltage
Replies
5
Views
2K
0 ohm resistor selection for single-point grounding
Replies
4
Views
9K
Capacitors in Common Emitter Amplifier Circuit ?
Replies
1
Views
10K
Correct method of measuring a pulse
Replies
1
Views
3K
High Temp Speakers: 3-4in Diam 300-400F
Replies
13
Views
7K
Comparing Charging Currents for Underground vs. Overhead Cables
Replies
11
Views
8K
How to separate induced voltage from terminal?
Replies
2
Views
3K
Can You Make Money from Old, Drained Batteries?
Replies
2
Views
3K
Can voltage and current values be captured and logged in labview?
Replies
1
Views
4K
Fix False GFCI Tripping in 240V AC Circuit
Replies
18
Views
30K