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Electrical Engineering Forum
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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
Optimizing PMT Circuit: Resistor Values for Secondary Electron Detection in SEM
Apr 8, 2016
Replies
2
Views
2K
Free online antenna design software?
Apr 8, 2016
Replies
5
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2K
Learn How to Draw a Schematic Diagram for Home Wiring System
Apr 8, 2016
Replies
1
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1K
Is the Phase of a Magnetic Field Aligned with an Alternating Current?
Apr 8, 2016
Replies
18
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2K
Most power efficient display of single digits and color flap
Apr 8, 2016
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Programmable polarity reversal circuit
Apr 7, 2016
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2K
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Apr 7, 2016
Replies
9
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Diode Use in Relay: Why & How to Protect Op Amp
Apr 7, 2016
Replies
2
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3K
Electric Bike Motors: Size, Wire Gauge & More
Apr 7, 2016
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3
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2K
High electric field / droplet levitation
Apr 7, 2016
Replies
1
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1K
What could be a load for lightning?
Apr 7, 2016
Replies
1
Views
970
Transistor Logic Gate : NOT Gate Explanation?
Apr 7, 2016
Replies
9
Views
3K
What is the formula for calculating resistance in a 1km copper wire?
Apr 6, 2016
Replies
25
Views
3K
Why Do we ground an electronic circuit?
Apr 6, 2016
Replies
19
Views
7K
Testing RF Waveguides: Using VNA for Freq, Power & Avg
Apr 6, 2016
Replies
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2K
Using Solar panels for energy conversion?
Apr 5, 2016
Replies
4
Views
1K
Electromagnetic muscles? Practical?
Apr 5, 2016
Replies
4
Views
1K
Do Settingless Relays truly improve Protection Ideas?
Apr 5, 2016
Replies
4
Views
1K
Adding extra socket share with water heater power supply
Apr 4, 2016
Replies
2
Views
1K
Building a musical tesla coil,
Apr 4, 2016
Replies
2
Views
2K
Transistor current gain in saturation mode
Apr 4, 2016
Replies
4
Views
8K
Build a Lightning Cloud with a 555 Timer | LED Flashing Help
Apr 4, 2016
Replies
16
Views
2K
Understanding the Relationship Between Time and Frequency in Modulation?
Apr 4, 2016
Replies
4
Views
2K
Electric field in the vicinity of an antenna
Apr 4, 2016
Replies
19
Views
2K
Amplifying AD9850 DDS for 5Watt output. OPamp or RF FIT?
Apr 3, 2016
Replies
2
Views
4K
LEDs: Connect 3 LEDs Without Microcontroller
Apr 3, 2016
Replies
18
Views
2K
Hardware Random Generators: Transistors vs Diodes
Apr 3, 2016
Replies
4
Views
2K
Induction Motor Builds & Experiments: What PSU to Use?
Apr 2, 2016
Replies
2
Views
1K
Understanding the Significance of Complex Exponential in Electrical Engineering
Apr 2, 2016
Replies
26
Views
4K
What Are Good Alternatives for PTC Thermistors with Sharp Resistance Changes?
Apr 2, 2016
Replies
2
Views
2K
Electric Field distribution around two-conductor cable
Apr 2, 2016
Replies
5
Views
2K
Question about Parasitic capacitances and physical grounds
Apr 1, 2016
Replies
5
Views
4K
Impedance of a 5kW generator (synchronous single phase)
Apr 1, 2016
Replies
3
Views
2K
Ideas for Graduation Projects that involve lots of math
Apr 1, 2016
Replies
3
Views
1K
How does a spectrum analyzer measure Noise Spectral Density
Mar 31, 2016
Replies
5
Views
6K
Analog Signal of Noncontinuous Variables
Mar 31, 2016
Replies
30
Views
3K
Why won't it work? (sump pump project)
Mar 31, 2016
Replies
9
Views
2K
Confusing terms? Live, Common, Neutral, Ground....
Mar 31, 2016
Replies
9
Views
14K
Electric current is reduced by the resistance?
Mar 30, 2016
Replies
28
Views
3K
Tektronix 2465 Oscilloscope problem
Mar 30, 2016
Replies
9
Views
5K
Diode Configs: Same Work | Rectify Me Please
Mar 30, 2016
Replies
5
Views
1K
Understanding Harmonics in Electrical Power
Mar 30, 2016
Replies
2
Views
2K
Voltage and Frequency Regulation (Grid, synchronous generation)
Mar 30, 2016
Replies
4
Views
1K
100um Core MM Fiber connected to 50um Core 10G SFP Module
Mar 30, 2016
Replies
2
Views
1K
Why Does a Lamp Gradually Brighten When Connected in Parallel with an Inductor?
Mar 29, 2016
Replies
10
Views
5K
Is Your Power Cord Safe in a Puddle?
Mar 29, 2016
Replies
5
Views
6K
What sensor to choose to find the shape of current
Mar 29, 2016
Replies
14
Views
2K
Microwave on capacitors battery power
Mar 29, 2016
Replies
2
Views
2K
Help with basical electromagnetics
Mar 28, 2016
Replies
1
Views
1K
Does electrical arc with the same power have same temp?
Mar 27, 2016
Replies
2
Views
3K
What Are These Two Equations for Equivalent Capacitor Circuits?
Mar 27, 2016
Replies
18
Views
2K
Series resistors' output voltage
Mar 27, 2016
Replies
8
Views
2K
Impedance of capacitor and inductors
Mar 27, 2016
Replies
13
Views
2K
Synchronization of an alternator to the grid
Mar 27, 2016
Replies
15
Views
3K
How Can I Extend Battery Life in Classroom Electromagnet Experiments?
Mar 27, 2016
Replies
9
Views
2K
Talked to my local cop about his sat phone comms
Mar 27, 2016
Replies
10
Views
1K
How to find equivalent circuits
Mar 27, 2016
Replies
13
Views
2K
Transform Vectors to Spherical Coordinates at P (-3,2,4)
Mar 26, 2016
Replies
2
Views
2K
Transformer Efficiency - Max & Calculation
Mar 26, 2016
Replies
2
Views
1K
How Can You Safely Discharge High-Voltage Capacitors Without Losing Energy?
Mar 26, 2016
Replies
6
Views
2K
Root Mean Square: What It Is & Why It Matters in Electrical Engineering
Mar 25, 2016
Replies
3
Views
2K
Question about power supply output parasitics (scope shots attached)
Mar 25, 2016
Replies
37
Views
5K
Simple experiment to measure resistance of a semiconductor
Mar 25, 2016
Replies
14
Views
1K
Understanding How Batteries Store & Release Energy
Mar 25, 2016
Replies
16
Views
3K
In an Alternator, is the armature an electromagnet?
Mar 24, 2016
Replies
8
Views
8K
Non-contact DC Voltage detector
Mar 24, 2016
Replies
23
Views
3K
Equivalent circuit of an Induction Motor
Mar 24, 2016
Replies
4
Views
3K
What are resistors in power supplies for?
Mar 23, 2016
Replies
5
Views
2K
How Can We Efficiently Harvest RF Energy to Charge Batteries?
Mar 23, 2016
Replies
19
Views
3K
Calculating Time from 4:1 Mark-Space Ratio @ 10KHz
Mar 23, 2016
Replies
3
Views
4K
Electromagnetic Induction Help Requested
Mar 23, 2016
Replies
8
Views
2K
Measuring Battery EMF: Is it Accurate?
Mar 22, 2016
Replies
19
Views
3K
Choosing Relay for 5V DC & 12V Motor
Mar 22, 2016
Replies
4
Views
2K
What could have caused an EMI Filter Bead shorted by itself?
Mar 22, 2016
Replies
37
Views
4K
DSB and SSB Radio: Explaining the Confusion
Mar 22, 2016
Replies
41
Views
6K
Force on a permanent magnet from an electromagnet
Mar 22, 2016
Replies
1
Views
2K
Use of Capacitors for Generators
Mar 22, 2016
Replies
1
Views
2K
How Can I Efficiently Build a Solar Phone Charger with Nimh and Lipo Batteries?
Mar 21, 2016
Replies
5
Views
2K
FDM simulation of an electrical transformer?
Mar 21, 2016
Replies
1
Views
1K
Mallory 50V 2500uf large can capacitor question
Mar 21, 2016
Replies
9
Views
2K
Auto track using Kinematic model
Mar 20, 2016
Replies
6
Views
2K
Control System Doubt: Voltage Transfer Function of Resistor
Mar 20, 2016
Replies
2
Views
1K
Is 4G LTE Compatible with Satellites?
Mar 20, 2016
Replies
2
Views
2K
What Does a Shifted Voltage Waveform Indicate About Load Characteristics?
Mar 20, 2016
Replies
4
Views
1K
Experiment to find out emf of the battery
Mar 19, 2016
Replies
3
Views
1K
In a DC circuit, is "negative" synonymous with "neutral"?
Mar 19, 2016
Replies
12
Views
17K
Potential divider to adjust volume and sensors
Mar 18, 2016
Replies
4
Views
1K
Help to identify a capacitor in this schematic
Mar 18, 2016
Replies
23
Views
3K
Why not transmit electricity in 4-phase?
Mar 18, 2016
Replies
12
Views
3K
Rare public involvement in electrical safety
Mar 18, 2016
Replies
10
Views
2K
Wind turbine to charge 12V batteries
Mar 18, 2016
Replies
6
Views
5K
Would it be incorrect to say a node exists between two elements?
Mar 18, 2016
Replies
11
Views
2K
What is the correct way to wire a piezoelectric circuit on a breadboard?
Mar 18, 2016
Replies
5
Views
2K
How to calculate in a nested supermesh?
Mar 17, 2016
Replies
3
Views
913
Why efficiency of induction motor is low for low HP?
Mar 17, 2016
Replies
3
Views
2K
Why slip is more in low HP induction motor?
Mar 16, 2016
Replies
1
Views
2K
Difference between ohmic and non ohmic resistors
Mar 16, 2016
Replies
7
Views
17K
This fellow wants to make an electromagnet....
Mar 16, 2016
Replies
6
Views
3K
Does a coil with CW and CCW turns split its B field?
Mar 14, 2016
Replies
18
Views
4K
Subharmonic noise in DC-AC H-bridge Inverter
Mar 14, 2016
Replies
7
Views
3K
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