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...
Common source amplifier low frequency resonse
Replies
4
Views
1K
Help with NPN Transistor: VBE, VE, VB
Replies
2
Views
2K
Large electromagnet with unusual requirements
Replies
9
Views
2K
What is the advantage of CNT and graphine capacitors
Replies
1
Views
1K
Looking for a "highly resistive ring"
Replies
13
Views
1K
I'm looking for this transistor
Replies
3
Views
2K
Small signal analysis of a cascode amplifier
Replies
3
Views
3K
What does GPS do about atmospheric interference?
Replies
4
Views
2K
What dominates the high-freq. behavior of a CS-amplifier?
Replies
1
Views
1K
Can Electric Jet Engines Revolutionize Future Aviation?
Replies
6
Views
1K
Power supply modification question
Replies
4
Views
2K
Measuring Pulsing Current Output Average From Photodiode
Replies
1
Views
1K
How to calculate reactance of this capasitor
Replies
7
Views
2K
Why is there a cathode to ground resistor on a KT66 power tube in an amp kit?
Replies
7
Views
2K
How can I rewire my air conditioning unit and fix a faulty capacitor?
Replies
1
Views
1K
HVDC - Current Source Converter - Minimum DC Power flow
Replies
3
Views
1K
Question about dielectric elastomers
Replies
4
Views
1K
Why is the 'active load' in an CS-amp called a load?
Replies
2
Views
2K
Danger from damaged fiber optic cable?
Replies
3
Views
3K
I bet my friend I could design a circuit with no background
Replies
12
Views
2K
What Battery Bank Size Do I Need to Replace My 1250 kVA Diesel Generator?
Replies
8
Views
3K
What is the protocol used for the Panasonic incremental encoder?
Replies
6
Views
3K
Why does q-axis stator current control torque in 3-ph IM?
Replies
3
Views
2K
Superposition Theorem (basic query)
Replies
8
Views
2K
Induction motor vector control stator current vector
Replies
8
Views
3K
Flux Density in Mutual Induction Solenoid with Core
Replies
7
Views
3K
Potential divider textbook example. Confused.
Replies
2
Views
1K
Detecting a Thumb Touching a Finger on Same Hand?
Replies
12
Views
3K
Building a portable AC for my car
2
Replies
87
Views
8K
Optimizing Circuit Design: Voltage Range, Internal Resistance, and Wire Sizing
Replies
15
Views
2K
Finding the Perfect Oscilloscope for Hobbyists and Diagnostics
Replies
5
Views
2K
3 Extension power cords connected one after another
Replies
20
Views
6K
Is Powerline Voltage Always an Integral Multiple of 11?
Replies
1
Views
1K
Unwanted noise in oscilloscope diaplay
Replies
12
Views
2K
Trigerins a tablet power button inderectly by applying?
Replies
2
Views
1K
Circuit for reactive archery target
Replies
5
Views
2K
How to calculate the energy and power of a signal?
Replies
1
Views
2K
Frequency Control in Power Plants -- Droop
Replies
2
Views
2K
Replacing UPS Batteries with Marine/RV Batteries
2
Replies
56
Views
53K
Sharks and magnetic fields, trying to learn from nature
Replies
2
Views
1K
Thinking about buying a Tektronix 2465B....Need advice
Replies
4
Views
1K
Help with Magnetic Dipole Moment
Replies
4
Views
2K
220V 50Hz Equipment vs. 230V 60Hz Equipment compressor
Replies
2
Views
4K
What's the min power needed for a DC motor to move 5K lbs?
Replies
3
Views
1K
Can heat damage the magnetic properties of an electromagnet?
Replies
2
Views
1K
Can square waves cause a DC voltage
Replies
7
Views
2K
EI Core electromagnet questions
Replies
1
Views
2K
THz radiation detection with a conductor
Replies
1
Views
1K
Low Level EMF and Helmholtz coil design
Replies
9
Views
3K
Will N52 Magnets Offset Costs vs N50 in a Piggot Wind Turbine?
Replies
2
Views
1K
Why Is My DIY Grounding Mat Triggering the Volt Meter Alarm?
Replies
5
Views
3K
Magnetic Field outside an Iron Core Solenoid
Replies
4
Views
7K
Building a Faraday Cage: Is 2-Layer Aluminum Screen Enough?
Replies
6
Views
4K
Generating High Voltage: Safe and Effective Methods for Amateur Use
Replies
1
Views
2K
Effect of voltage on resistance wire life expectancy?
Replies
6
Views
1K
Using concentric pipes as an inductive heater
Replies
5
Views
2K
Which Sensor Setup Wins the Race: 80ft Wide Field or 20ft Wide Spaceship?
Replies
3
Views
1K
Photodiode parallel to a capacitor
Replies
1
Views
3K
Frequency appears to have to effect on hysteresis
Replies
15
Views
3K
Is it current or voltage that is fixed in transformer output
Replies
10
Views
2K
Amplifying a Photodiode using an OpAmp
Replies
28
Views
8K
What Do the Pairs in an RFID/RFIC Hexadecimal Number Represent?
Replies
6
Views
2K
How to connect DC motor to Raspberry Pi?
Replies
3
Views
3K
Can DC Fans Operate Effectively in High-Humidity Conditions?
Replies
5
Views
1K
Need help with wiring motors in series and in parallel
Replies
17
Views
5K
Induction: Questions reg. Coils vs Parallel Conductors
Replies
6
Views
2K
Troubleshooting a Non-Functioning Phono Input on a Marantz PM94 Amplifier
Replies
5
Views
2K
Understanding relationships in Induction Heating circuits
Replies
1
Views
3K
Understanding the LM2576 Step-Down Regulator
Replies
1
Views
3K
Build a Low-Voltage Negative Ion Generator w/ AA Batteries
Replies
2
Views
2K
Making a wind turbine, how to stop it overcharging battery?
Replies
3
Views
4K
What is the reason for using high KVA transformers in electrical heaters?
Replies
1
Views
1K
How to understand negative frequency?
Replies
2
Views
2K
Anyone know how much torque a 550kva generator will make?
Replies
8
Views
2K
Salient and Non-Salient pole Synchronous Generator
Replies
11
Views
7K
Resistor noise reduction questions
Replies
4
Views
2K
Why Does Connecting Multiple Ohmmeters Result in Cumulative Resistance?
Replies
2
Views
1K
Death of a Condenser (with Autopsy)
Replies
8
Views
4K
Need ideas for a LED Pilot light for a tube amp
Replies
21
Views
4K
"Easy" but cool electrical engineering projects
Replies
6
Views
3K
230V/50Hz to 110V/60Hz converter?
Replies
22
Views
17K
Enclosed floating aquatic 12v car-audio amp system
Replies
12
Views
2K
What is the derivation of built in voltage for a P-n junction?
Replies
1
Views
2K
What is this electromagnetic device called?
Replies
4
Views
2K
Resistance Between Two Rectangular Electrodes
Replies
5
Views
3K
How much electricity can be produced from 3000 rpm?
Replies
4
Views
2K
How to calculate Battery run-time?
Replies
4
Views
3K
How Do I Choose the Right Potentiometer for a Car Heater Blower Motor?
Replies
16
Views
4K
How is it possible to run a 12AX7 vacuum tube at 415VDC?
Replies
23
Views
4K
Relay Driving Circuit Design Help
Replies
6
Views
2K
Looking for a small journal on antenna theory to publish my paper
Replies
7
Views
2K
How useful is the IEEE green book?
Replies
2
Views
2K
How to Harness braking energy from an electric motor
Replies
3
Views
2K
Boost a 36V e-scooter from Greece Crete
Replies
6
Views
1K
SMPS transformer core getting hot advice
Replies
48
Views
10K
Finding n and p of semiconductor given temp, NA, ND, and Ni
Replies
1
Views
12K
Temperature dependant resistor for MAF
Replies
2
Views
2K
How Do Antenna Size and Frequency Impact Ham Radio Transmission?
Replies
3
Views
2K
Connecting an External Audio Source to a DDS-100 Function Generator
Replies
3
Views
2K
Electrical Information on Items
Replies
8
Views
1K