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 have questions about an electromagnet coil and the winding technique
  • · Replies 3 ·
Replies
3
Views
6K
Speed control by flux weakening
  • · Replies 2 ·
Replies
2
Views
5K
Designing MFB Bandpass Filters: Frequency, Bandwidth, and Gain Formula Explained
  • · Replies 3 ·
Replies
3
Views
4K
Alternating Current: neutral & ground
  • · Replies 3 ·
Replies
3
Views
4K
Oscilloscope blanking (z modulation) possible on elenco s-1325?
  • · Replies 11 ·
Replies
11
Views
5K
How to make a reconfigurable circuit
  • · Replies 2 ·
Replies
2
Views
2K
Total amperage in a service panel
  • · Replies 41 ·
2
Replies
41
Views
18K
What is the purpose of whitening in Independent Component Analysis?
  • · Replies 1 ·
Replies
1
Views
2K
Equation of a Magnetic Field of a Solenoid
  • · Replies 2 ·
Replies
2
Views
3K
Question about single and dual supplies
  • · Replies 12 ·
Replies
12
Views
6K
Common Reference OSC for test equipment
  • · Replies 2 ·
Replies
2
Views
2K
Can someone explain control structures in simpler terms in the paper on DES?
  • · Replies 1 ·
Replies
1
Views
2K
How to calculate voltage fed to motor in an H-Bridge circuit?
  • · Replies 11 ·
Replies
11
Views
8K
How to prevent a circuit from cycling / oscillating
  • · Replies 12 ·
Replies
12
Views
2K
What is Pinch off in a transistor?
  • · Replies 2 ·
Replies
2
Views
4K
Can I use a 2A transformer to power 4 TDA2050 amplifier chips?
  • · Replies 57 ·
2
Replies
57
Views
9K
DC motors seem to have shorted rotors
  • · Replies 10 ·
Replies
10
Views
12K
Can a Microwave Be Powered by an Inverter?
  • · Replies 1 ·
Replies
1
Views
2K
How do these LED lights conduct ?
  • · Replies 6 ·
Replies
6
Views
3K
Question Regarding Armstrong-type Oscillators
  • · Replies 12 ·
Replies
12
Views
3K
Low pass filter for 60Hz rejection
  • · Replies 28 ·
Replies
28
Views
16K
Backgating (chip) advantages.
  • · Replies 3 ·
Replies
3
Views
2K
Can Variable Frequency Drives Control Both Speed and Torque Simultaneously?
  • · Replies 2 ·
Replies
2
Views
2K
Control Systems: How Does High Gain Affect the System?
  • · Replies 1 ·
Replies
1
Views
4K
Calculating gain of a phase detector
  • · Replies 15 ·
Replies
15
Views
3K
How to measure ripple voltage on CRO
  • · Replies 2 ·
Replies
2
Views
4K
How Does Increasing Frequency Affect Capacitor Voltage in an RC Circuit?
  • · Replies 33 ·
2
Replies
33
Views
7K
Is My Calculation for Lighting Circuit Load and Current Correct?
  • · Replies 1 ·
Replies
1
Views
2K
Can a Thermocouple's cold junction can be electrically manipulated
  • · Replies 4 ·
Replies
4
Views
1K
Inter Logic Block Synchronization
  • · Replies 18 ·
Replies
18
Views
2K
Linking Lower Voltage and Higher Voltage systems?
  • · Replies 1 ·
Replies
1
Views
3K
Secondary voltage on transformer
  • · Replies 4 ·
Replies
4
Views
2K
Why XOR (mod 2 addition) and multiplication are anologous?
  • · Replies 11 ·
Replies
11
Views
18K
Adding a Transistor to Fade LED
  • · Replies 4 ·
Replies
4
Views
2K
Detection of inter-turn winding-short fault in 1-phase transformer
  • · Replies 1 ·
Replies
1
Views
2K
Non-Conservative Electric Field
  • · Replies 3 ·
Replies
3
Views
3K
How do resistors handle high currents without burning up?
  • · Replies 11 ·
Replies
11
Views
3K
Battery-Powered LED: Feasible Solution for 3x3x3 Box?
  • · Replies 4 ·
Replies
4
Views
2K
How can you accurately calculate fault current on a finite bus by hand?
  • · Replies 1 ·
Replies
1
Views
3K
Can I Use CAT4101 with Arduino to PWM High Brightness LEDs in Parallel?
  • · Replies 3 ·
Replies
3
Views
4K
7-segment LED display using Arduino
  • · Replies 12 ·
Replies
12
Views
7K
Is constantly turning a light switch on and off bad?
  • · Replies 3 ·
Replies
3
Views
5K
Is there a way to check the calibration history of the Fluke 87-III?
  • · Replies 1 ·
Replies
1
Views
2K
Question about op amp input bias current
  • · Replies 8 ·
Replies
8
Views
4K
Understanding Flyback Diode Utilization in L293 H Bridge IC
  • · Replies 21 ·
Replies
21
Views
7K
Inductance of DC Electromagnet Coil. Help
  • · Replies 4 ·
Replies
4
Views
2K
Simple analog voice distortion circuit
  • · Replies 5 ·
Replies
5
Views
4K
Having trouble with L298N H-Bridge IC
  • · Replies 1 ·
Replies
1
Views
2K
What is photodetector bandwidth?
  • · Replies 26 ·
Replies
26
Views
18K
Convert unit vector from cartesian to spherical coordination
  • · Replies 1 ·
Replies
1
Views
2K
What am I missing in this voltage regulator design?
  • · Replies 4 ·
Replies
4
Views
4K
Inrush in Transformer at no load
  • · Replies 1 ·
Replies
1
Views
2K
120V AC Supply to Pull Boxes in station yard (Design Problem)
  • · Replies 5 ·
Replies
5
Views
3K
Compact Logic Gate Options for Efficient Circuit Design
  • · Replies 16 ·
Replies
16
Views
3K
Laws of Multi-Terminal Components
  • · Replies 17 ·
Replies
17
Views
2K
Voltage regulator, tweaking capacitor values
  • · Replies 7 ·
Replies
7
Views
3K
Sizing capacitors for smoothing signals
  • · Replies 3 ·
Replies
3
Views
2K
Very strange accidental proximity sensor - Explanation wanted
  • · Replies 4 ·
Replies
4
Views
2K
ATMega128's ATLM - how should I cope with this?
  • · Replies 2 ·
Replies
2
Views
1K
What kind of spaces are useful in signals?
  • · Replies 5 ·
Replies
5
Views
2K
Radio/magnetic field: detect direction of antenna
  • · Replies 85 ·
3
Replies
85
Views
10K
What is the current through a second separate wire?
  • · Replies 5 ·
Replies
5
Views
4K
I want to generate my own electricity via the included method
  • · Replies 4 ·
Replies
4
Views
2K
How to size a power supply for x-y stage?
  • · Replies 3 ·
Replies
3
Views
2K
Deriving inductor voltage equation
  • · Replies 15 ·
Replies
15
Views
11K
Using a DC power connector to power PC side panel case fans
  • · Replies 2 ·
Replies
2
Views
2K
Understanding Half Bridge Driver
  • · Replies 4 ·
Replies
4
Views
2K
Pelton turbine model when hydroelectric station works on grid
  • · Replies 48 ·
2
Replies
48
Views
12K
Advice on Publishing a Journal on DC Drive Generator
  • · Replies 6 ·
Replies
6
Views
1K
Type of Motor : hub motor vs outrunner
  • · Replies 1 ·
Replies
1
Views
2K
How to measure current through servo and how to calculate it's power
  • · Replies 7 ·
Replies
7
Views
12K
Why are these resistors present in these schematics?
  • · Replies 11 ·
Replies
11
Views
5K
Need Help Fixing Plasma Tv Please?
  • · Replies 6 ·
Replies
6
Views
3K
Master Power Switch for 3 Circuits?
  • · Replies 5 ·
Replies
5
Views
2K
Need help making a solar panel AA battery charger
  • · Replies 4 ·
Replies
4
Views
3K
Understanding the Basics of d-axis and q-axis Currents in Alternators
  • · Replies 5 ·
Replies
5
Views
2K
Need Help Understanding Transistor Theory: Saturation Region
  • · Replies 5 ·
Replies
5
Views
6K
Why Don't Phases Short Out in Three Phase Delta Transformers?
  • · Replies 2 ·
Replies
2
Views
2K
How to use Multisim in AC circuit analysis?
  • · Replies 1 ·
Replies
1
Views
5K
Controling the wavelength of an LED through voltage?
  • · Replies 8 ·
Replies
8
Views
10K
Why did my D cell battery get hot for no apparent reason?
  • · Replies 5 ·
Replies
5
Views
11K
Understanding my crystal oscillator
  • · Replies 13 ·
Replies
13
Views
3K
Representation of a 1 phase transmission line as line charges
  • · Replies 4 ·
Replies
4
Views
2K
What Can Induce Electron Flow and Why Are Magnets So Dominant?
  • · Replies 5 ·
Replies
5
Views
4K
Why Do We Neglect Short Circuit Current When Calculating CMOS Inverter Delay?
  • · Replies 1 ·
Replies
1
Views
3K
What is the difference between these two formula of ripple voltage
  • · Replies 5 ·
Replies
5
Views
27K
Charging a capacitor with induction
  • · Replies 10 ·
Replies
10
Views
8K
DQ Reference Frame in VSC Station: Fig. 1(b)
  • · Replies 3 ·
Replies
3
Views
2K
Conditions to be Picked Up By Radar
  • · Replies 4 ·
Replies
4
Views
2K
How is it that power can vary if the current stays constant?
  • · Replies 4 ·
Replies
4
Views
2K
Maximizing Power Output: Amplifiers in Bridge Mode
  • · Replies 4 ·
Replies
4
Views
3K
Power Supply Question: Can It Handle 6A @ 35V?
  • · Replies 5 ·
Replies
5
Views
2K
Problem in reading the 2nd data from pcf8563 real time clock by i2c
  • · Replies 3 ·
Replies
3
Views
3K
Effects on a cable at sea level compared to 35,000 feet
  • · Replies 9 ·
Replies
9
Views
3K
Understanding Bidirectional Level Shifter for 3.3V to 5V & 5V to 3.3V
  • · Replies 5 ·
Replies
5
Views
2K
Which is better for low rpm power generation: generator or alternator?
  • · Replies 2 ·
Replies
2
Views
3K
Rechargeable 9v Battery: Charging & Safety Tips
  • · Replies 4 ·
Replies
4
Views
3K
Transitioning from the classroom
  • · Replies 1 ·
Replies
1
Views
2K
Selecting magnet to be used along with hall effect sensors.
  • · Replies 1 ·
Replies
1
Views
3K
Alternative Light Curtains , has someone designed them?
  • · Replies 5 ·
Replies
5
Views
3K