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.
Textbook
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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For ease of drawing complex circuit diagrams, electronic amplifiers…
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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, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
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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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If a strip of conductive metal is stretched, it will become skinnier…
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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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In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
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Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
Most of us have experienced some form of electric “shock,”…
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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.
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Seebeck Effect An interesting phenomenon applied in the field of…
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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.
Textbook
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.
Textbook
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Tools
It is very important to keep in mind that the “normal”…
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Differential Op-Amp Circuits An op-amp with no feedback is already a…
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The bipolar junction transistor (BJT) was named because its operation…
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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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Every meter impacts the circuit it is measuring to some extent, just…
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This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
Tools
A practical application of switch and relay logic is in control…
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A tool designed to calculate the noise figure of cascaded amplifiers
Tools
Perhaps the most ingenious technique was that of the delay line. A…
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SCRs are unidirectional (one-way) current devices, making them useful…
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A popular use of diodes is for the mitigation of inductive…
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This calculator will solve for either distance, time, or speed given two of the three parameters.
Tools
The Maximum Power Transfer Theorem is not so much a means of analysis…
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What is Split-Phase Power Systems? Split-phase power systems achieve…
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Most integrated circuits are digital, based on MOS (CMOS) transistors.…
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Suppose we wished to measure the resistance of some component located…
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Value of time constant in series RC and RL circuits Time…
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As we’ve seen, negative feedback is an incredibly useful…
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Instantaneous Values in AC Circuits Pure resistive AC circuit:…
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A tool designed to convert RF power from watts to decibels and vice versa
Tools
The variable reluctance motor is based on the principle that an…
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In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.
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Because binary numeration requires so many bits to represent…
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In this hands-on AC electronics experiment, you will sense AC electric fields using the sensitive voltage detector and learn about capacitive coupling, EMI, and shielding techniques.
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In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
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