Electrical Engineering Forum

Trying to understand how operational amplifiers work

Actuator-solenoid valve circuit

Faraday Flashligh = Cell Phone Charger?

LED lights causing RFI on AM and FM radios

Phase locked loops with phasors vs phases

Electromagnetic repulsion query

Ideas for circuit simulation project?

External Power Supply or Put Regulator on Main PCB?

Improving IR LED sensitivity for robot beacon detection at 2m

USB communication for a homemade CCD camera with PIC processor

Convert device from AC to DC powered

Volume control potentiometer for 12V 150W motorcycle speaker amp

What are the advantages of using BJT switches for a 7 segment display schematic?

Current Mirror Load on Diff Amp

What is the purpose of a common ground connection in power supplies?

Why Can We Experience An Electric Shock From Neutral

Level of johnson-Nyquist noise in analog voltmeter

Down sampling, bandpass sampling theorem, downconversion

Can a 555 timer create a toggle switch from a momentary push button?

Simple control circuit for a dc motor to power a conveyor for 5 seconds

JFET self-bias amplifier output DC offset

Advice needed on a laser activated LED

Eeprom 27C2001 /P: Low vs High Settings

How to select the DC generator?

Identify the source of this electrical engineering problem

Very specific question on current draw from a dc power supply

Why Does Duty Cycle Determine Voltage Gain in Boost Converters?

Urgent assignment help request

Why water heated with electric heater remains hot for long time?

Understanding Smith Charts

Intermediate Frequency vs Baseband Signal Processing

Trouble in implementing dual supplies with battery in circuit

• Poll

Why do we get electric shocks when there is no potential difference?

Resistance controlled voltage source (for led array

No sound from DAC speaker, only noise

Thermocouples, dissimilar metals?

Where Can I Find the Datasheet for an Unmarked LCD with 75-76 Pins?

How thermoelectric cooling works?

RF Distance Measurement Techniques (ToF+Interferometry)

Electromagnet design for 1000-5000 lb scrap metal lifting

Why inductor voltage depends on duty cycle, not frequency

How to Choose TVS Diodes for ESD Protection?

Insertion Loss / VSWR of RF Lines

Why have two inverters in series?

How Does the MUSIC Algorithm Derive the Auto-Correlation Matrix?

Capacitor discharge current direction between two different voltages

Basics of Common Emitter amplifier.

Dc signal generator to several motors

Impulse Waveform: Representing Data

What is a heat run test?

Best book for introduction to Digital Design?

Nyquist bandwidth criterion

Why is the Author Using Negative Signs in this Circuit Analysis Problem?

Why there is minus sign in my tablet phone signal strength?

Android- Gyro Sensor drift and Correct angle Estimation

Floating Ground with wireless energy

Square wave into a transformer, low impedance output needed

Replacing a lead acid 12 volt battery with a Lithium ion Polymer battery

Which Poles Do I Connect for Short Circuiting in a Wound Rotor Motor?

How did Henrich Hertz measure UHF waves?

18V not reaching powermat after 8Ω resistor and 4700μF capacitor

Inverting audio signals with an NPN transistor amplifier

Need to interrupt a low voltage lighting loop circuit

Building an Electrical Circuit to Monitor Pressure

Current direction in dipole antenna

PTC/Resistance for 150°C at 220V AC and 24V DC

Why is my MOSFET switch not behaving as expected?

How would I make a (very very very) basic transistor computer

What Specific Topic Should I Choose for My 8-Page Research Paper on Electricity?

Calculate cross correlation manually

Maxwell 3D eddy current simulation for a cylindrical wire

Using a magnet near audio cable

Resistance for a lightbulb circuit

Can you combine parallel resistors when a voltage source is on one leg?

How do different types of elements affect the BTU output of a 24V DC heater?

How does LC phase shift oscillator work?

High voltage but low current how?

I need to interview an Electrical engineer

Why does adding a 1 ohm resistor to a 12V 5A battery increase current?

Designing a lowpass Butterworth filter

Powering a 12V 1.5A external hard drive from laptop ports

What Wires Are Best for Antennae and Magnet Wire Projects?

How Can I Modify an IR Burglar Alarm to Trigger When Light is Blocked?

Suggest Final Year Project for EE

What are the initial conditions in this simple RCL circuit?

Why are capacitors and transformers needed in a Tesla coil?

Maxwells Equations and Time Invariance

Magnetic vector and scalar potential

Particle filter for Pedestrian Dead Reckoning

555 timer circuit to light LED for 3-5 seconds on 12V input

Single phase 240v and double phase 240v

How does a 555 timer astable multivibrator work?

Power factor in different voltages

Transformer dot prob don't understand (with sol)

I have designed a multi op amp circuit

What is causing the 0.7V voltage drop across the capacitor?

Need Explanation of this Master Slave D Flip Flop

Can a 12V Relay Handle a 36V Application?

Understanding Current Inrush on Device Activation

Using an L.E.D. as a diode to control current flow?