Logic circuits, whether comprised of electromechanical relays or…
After the introduction of the DC electrical distribution system by…
Don’t just sit there! Build something!! Learning to analyze digital…
Most AC motors are induction motors. Induction motors are favored due…
Brushless DC motors were developed from conventional brushed DC motors…
If we take the equivalent circuit of an SCR and add another external…
It is fairly important to use large value resistors (10 MΩ works…
PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…
PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…
A wound rotor induction motor has a stator like a squirrel cage…
Don’t just sit there! Build something!! Learning to mathematically…
Stepper Motor vs Servo Motor A stepper motor is a…
Solid-state switching circuits usually keep their constituent…
How is it possible to electrically measure the torque output by a…
Counting practice: count from zero to thirty-one in binary, octal, and…
Pulse Width Modulation (PWM) uses digital signals to control power…
We can construct a simple logic functions for our hypothetical lamp…
What does it mean, in general terms, to encode something? Conversely,…
Like its bipolar cousin, the field-effect transistor may be used as an…
The Q factor of a series inductive circuit is given by the following…
Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…
Don’t just sit there! Build something!! Learning to analyze digital…
Because octal and hexadecimal numeration systems have bases that are…
PARTS AND MATERIALS Two NPN transistors—models 2N2222 or…
In the course of learning about electricity, you will want to…
Suppose I were about to measure an unknown voltage with a manual-range…
On this page, we’ll outline the three principles you should…
Centuries ago, it was discovered that certain types of mineral rock…
Periodic table of chemical elements.
When a transistor is in the fully-off state (like an open switch), it…
By now you should be well aware of the correlation between electrical…
TTL Circuit Analysis Let’s examine the following TTL circuit and…
A peak detector is a series connection of a diode and a…
PARTS AND MATERIALS Two 6-volt batteries Four NPN…
Also known as the stairstep-ramp, or simply counter A/D converter,…
All entries arranged in alphabetical order of surname. Major…
Bipolar junction transistors (Also known as BJTs) can be used as an…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
This calculator helps you compute for the inductance of an edge coupled trace.
Inductors, like all electrical components, have limitations which must…
It was discovered centuries ago that certain types of materials would…
Because the relationship between voltage, current, and resistance in…
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
Whenever electrons flow through a conductor, a magnetic field will…
Using the same value components in our series example circuit, we will…
Using an electrical meter safely and efficiently is perhaps the most…
A very important measurement in many liquid chemical processes…
What is Attenuators? Attenuators are passive devices. It is…
What do we do if we come across a circuit more complex than the simple…
What is the difference between a JMP (“jump”) instruction and a…
Let’s count from zero to twenty using four different kinds of…
Let’s analyze a simple series circuit and determine the voltage…
If we examine a four-bit binary count sequence from 0000 to 1111, a…
Try out our Resistor Color Code Calculator in our Tools section.…
TTL Circuit Analysis Let’s examine the following TTL circuit and…
For ease of drawing complex circuit diagrams, electronic amplifiers…
With simple gate and combinational logic circuits, there is a definite…
The job of a technician frequently entails…
