This video provides an introduction to the internal components of typical smoke detectors.
A 12-V automotive battery rail is subject to many transients. The purpose of the front-end power…
The R/2R DAC circuit is an alternative to the binary-weighted-input…
Like its bipolar cousin, the field-effect transistor may be used as an…
What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…
If a pulse-width modulated (PWM) signal is sent to a passive…
Bipolar junction transistors (Also known as BJTs) can be used as an…
Define what noise means, in the electrical sense of the word. How does…
In the simplest terms you can think of, define what an electrical…
The Insulated-Gate Field-Effect Transistor (IGFET), also known as…
PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or…
PARTS AND MATERIALS Two NPN transistors—models 2N2222 or…
Don’t just sit there! Build something!! Learning to mathematically…
Transformers with Multiple Secondaries Transformers are very versatile…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…
The Maximum Power Transfer Theorem is not so much a means of analysis…
Whenever electrons flow through a conductor, a magnetic field will…
All About Contactors When a relay is used to switch a large amount of…
Learn the Power Formula We’ve seen the formula for determining…
Don’t just sit there! Build something!! Learning to mathematically…
If we were to express the series-connected DC voltages as phasors…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
In this circuit, three resistors receive the same amount of current (4…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
This calculator determines the total path loss provided by an RF n-way power splitter.
Fallacious reasoning and poor interpersonal relations account for more…
In the last section, we learned what would happen in simple…
A chandelier has five light bulbs in it, and one of them is not…
Many different equations used in the analysis of electric circuits may…
The most important component of your voltmeter will be the…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS High-quality “closed-cup” audio…
PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…
Capacitors store energy in the form of an electric field, and…
A switch can be constructed with any mechanism bringing two conductors…
A circuit which removes the peak of a waveform is known as a clipper.…
Don’t just sit there! Build something!! Learning to analyze digital…
A high-pass filter’s task is just the opposite of a low-pass…
Don’t just sit there! Build something!! Learning to mathematically…
Resistors vs. Inductors Inductors do not behave the same way as…
Passive Devices Components incapable of controlling current by means…
When lightning strikes, nearby magnetic compass needles may be seen to…
What will this voltmeter register when connected to a battery as shown…
Convert between Celsius, Fahrenheit and Kelvin
