During the early development of telephone technology, a unit was…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Real operational amplifiers have some imperfections compared to an…
Textbook
If some percentage of an amplifier’s output signal is connected…
Textbook
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.
Textbook
Explain how the microphone in your amplifier works. How, exactly, does…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.
Textbook
When lightning strikes, nearby magnetic compass needles may be seen to…
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Radio waves are comprised of oscillating electric and magnetic fields,…
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Devoting a whole chapter in a modern electronics text to the design…
Textbook
This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.
Tools
What is the purpose of the switch shown in this schematic diagram?
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Identify which direction each potentiometer wiper must move in this…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
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
Decibel as Absolute Unit of Power It is also possible to use the…
Textbook
A chandelier has five light bulbs in it, and one of them is not…
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Transformers with Multiple Secondaries Transformers are very versatile…
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The following problems are arranged in order from most likely to least…
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Capacitors Vs. Resistors Capacitors do not behave the same as…
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With simple gate and combinational logic circuits, there is a definite…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
Previously, we examined series circuits and parallel circuits using…
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Identify each of these logic gates by name, and complete their…
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This tool is designed to compute for the trace width of a microstrip
Tools
The Inductance Formula Wheeler’s formulas for…
Textbook
Quantum physics describes the states of electrons in an atom according…
Textbook
Textbook
It should be common-sense knowledge that liquids flow through…
Textbook
There was some historic crude, but usable semiconductor…
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Three-Phase Alternator Let’s take the three-phase alternator…
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Most integrated circuits are digital, based on MOS (CMOS) transistors.…
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Incomplete
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Inductive Reactance Capacitive Reactance …
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Early computer science pioneers such as Alan Turing and John Von…
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This calculator computes for the output pulse width of a 555 timer monostable circuit
Tools
So far in our discussions on electricity and electric circuits, we…
Textbook
The expression of numerical quantities is something we tend to take…
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In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
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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.
Textbook
There are many different types of power sources, and here some of the…
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As an example of using several circuits together, we are going to make…
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Before the advent of solid-state logic circuits, logical control…
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If we add a voltage divider to the negative feedback wiring so that…
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In this hands-on electronics experiment, you will learn about electromagnetic induction using an electromagnet and a permanent magnet.
Textbook
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
Tools
In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
One caveat with signed binary numbers is that of overflow, where the…
Textbook
A chandelier has five light bulbs in it, and one of them is not…
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
The table method provides a structured methodology for ensuring you…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.
Textbook
This calculator will solve for either distance, time, or speed given two of the three parameters.
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