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.
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For ease of drawing complex circuit diagrams, electronic amplifiers…
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Brushless DC motors were developed from conventional brushed DC motors…
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Centuries ago, it was discovered that certain types of mineral rock…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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Differential Op-Amp Circuits An op-amp with no feedback is already a…
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Every meter impacts the circuit it is measuring to some extent, just…
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This calculator will convert pressure values to ten different standard units for pressure.
Tools
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
Textbook
Seebeck Effect An interesting phenomenon applied in the field of…
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If a strip of conductive metal is stretched, it will become skinnier…
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In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.
Textbook
The bipolar junction transistor (BJT) was named because its operation…
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By introducing electrical reactance into the feedback loops of an…
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In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.
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Just as devices have been made to measure certain physical quantities…
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In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.
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Most of us have experienced some form of electric “shock,”…
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In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
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In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
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A mathematician named DeMorgan developed a pair of important rules…
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RELATED WORKSHEETS: Calculus for Electric Circuits…
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Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
Textbook
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
Tools
In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
Textbook
As the name suggests, the tetrode tube contains four elements: cathode…
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An electrical connector, is an electro-mechanical device used to join…
Textbook
Capacitors store energy in the form of an electric field, and…
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For a given amount of water pressure, which will flow a greater rate…
Worksheets - Sensors
The manufacture of only silicon based semiconductors is described…
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The concept of a mathematical power is familiar to most students of…
Worksheets - Sensors
Any kind of switch contact can be designed so that the contacts…
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If a sinusoidal voltage is applied to an impedance with a phase angle…
Worksheets - Sensors
Textbook
Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.
Textbook
An inductor is a passive two-terminal electrical component that…
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A practical application of switch and relay logic is in control…
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At first it may seem pointless to have the four buffer gates following…
Worksheets - Sensors
This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.
Tools
In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.
Textbook
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.
Tools
Example Derivatives of e Proportionality Constant When we say that a…
Textbook
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure current using the ammeter function.
Textbook
What are Time-Delay Relays? Some relays are constructed with a kind of…
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A similar effect happens in series inductive/capacitive circuits. When…
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This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Tools
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
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Temperature coefficient (α) per degree C: Material Element/Alloy…
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Because batteries create current flow in a circuit by exchanging…
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Contributors to this chapter are listed in chronological order of…
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Just as devices have been made to measure certain physical quantities…
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The first, and perhaps most important, relationship between current,…
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Solving for x in a given polynomial equation “ax2 + bx + c…
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In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
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Label where each of the following electrical quantities would be found…
Worksheets - Sensors
In many circuit applications, we encounter components connected…
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If we were to connect two inverter gates together so that the output…
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In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Sensors
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