It is fairly important to use large value resistors (10 MΩ works…
What is the purpose of the switch shown in this schematic diagram?
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.
Don’t just sit there! Build something!! Learning to mathematically…
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
This tool is designed to calculate the maximum distance (range) that a radar can detect
It has been found that any repeating, non-sinusoidal waveform can be…
Bipolar transistors are constructed of a three-layer semiconductor…
In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
The single-transistor inverter circuit illustrated earlier is actually…
In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.
Shown here is the schematic symbol for a resistor: What is the purpose…
This calculator helps you compute the characteristic impedance of an asymmetric stripline
The principle of non-sinusoidal, repeating waveforms being equivalent…
These are the most common types of resistors available. Resistors…
A switch is an electrical component that can “make” or…
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Protective relays are special power-sensing devices whose job it is to…
The circuit in the previous section is not a very practical one. In…
All entries arranged in alphabetical order of surname. Major…
It used to be with large AC power systems that “power…
Synchronous motors load the power line with a leading power factor.…
Contributors to this chapter are listed in chronological order of…
In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
After the introduction of the DC electrical distribution system by…
This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).
Digital computers communicate with external devices through ports:…
Computerized Fourier analysis, particularly in the form of the FFT…
Don’t just sit there! Build something!! Learning to analyze digital…
This calculator helps you compute the characteristic impedance of an asymmetric stripline
Varicap or varactor diodes A variable capacitance diode is known as a…
Input impedance varies considerably with the circuit configuration…
These are the most common types of resistors available. Resistors…
Connecting digital circuitry to sensor devices is simple if the sensor…
Don’t just sit there! Build something!! Learning to mathematically…
Using the same value components in our series example circuit, we will…
The word battery simply means a group of similar components. In…
This tool calculates the cutoff frequency of a circular waveguide
The field effect transistor was proposed by Julius Lilienfeld in US…
The variable reluctance motor is based on the principle that an…
Define the following terms: energy, work, and power.
So far, the filter designs we’ve concentrated on have employed…
This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
