Before the advent of solid-state logic circuits, logical control…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
One of the more fascinating applications of electricity is in the…
The wires between the tank and the monitoring location is called…
Research the FCC (Federal Communication Commission) guidelines on…
Don’t just sit there! Build something!! Learning to mathematically…
What does the acronym RF stand form, in reference to radio-related…
After applying some of the general troubleshooting tips to narrow the…
Before the advent of solid-state logic circuits, logical control…
The wires between the tank and the monitoring location is called…
After applying some of the general troubleshooting tips to narrow the…
With this lesson, I hope to avoid a common mistake found in…
Stepper Motor vs Servo Motor A stepper motor is a…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Electromechanical watt-hour meters use an aluminum disk that is spun…
The armature windings of your DC motor will have very low resistance.…
Brushless DC motors were developed from conventional brushed DC motors…
Most AC motors are induction motors. Induction motors are favored due…
In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
A chandelier has five light bulbs in it, and one of them is not…
As an electric current is passed through a coil of wire, it creates a…
Charles Proteus Steinmetz’s first job after arriving in America…
The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.
Shaded Pole Induction Motor An easy way to provide starting torque to…
Don’t just sit there! Build something!! Learning to mathematically…
Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.
At first it may seem pointless to have the four buffer gates following…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Contributors to this chapter are listed in chronological order of…
Calculate the voltage output by the secondary winding of a transformer…
Shown here is the schematic symbol for a resistor: What is the purpose…
In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
What shape of voltage waveform would you expect to measure (using an…
In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
A switch is an electrical component that can “make” or…
This tool is designed to calculate the inductance of two parallel wires
For extremely high-frequency applications (above 1 GHz), the…
What does it mean, in general terms, to encode something? Conversely,…
This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit
Digital computers communicate with external devices through ports:…
Identify which trigonometric functions (sine, cosine, or tangent) are…
What factors determine where potentiometers Rpot1 and Rpot2 must be…
Just as devices have been made to measure certain physical quantities…
Every meter impacts the circuit it is measuring to some extent, just…
It is a common phenomenon for the electrical resistance of a substance…
When an electric current is passed through a coil of wire, what…
In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.