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.
Textbook
In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.
Textbook
In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.
Textbook
An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
Radio waves are comprised of oscillating electric and magnetic fields,…
Worksheets - Audio
The Q factor of a series inductive circuit is given by the following…
Worksheets - Audio
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Audio
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Textbook
Devoting a whole chapter in a modern electronics text to the design…
Textbook
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
What is the purpose of the switch shown in this schematic diagram?
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
It has been found that any repeating, non-sinusoidal waveform can be…
Textbook
Decibel as Absolute Unit of Power It is also possible to use the…
Textbook
A very common misconception students have about potentiometers is the…
Worksheets - Audio
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
To overcome the challenge of creating necessary DC bias voltage for an…
Textbook
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
Although the prime intent of octal and hexadecimal numeration systems…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
The armature windings of your DC motor will have very low resistance.…
Worksheets - Audio
Given two lengths of metal wire, which one will have the least…
Worksheets - Audio
RELATED WORKSHEETS: Calculus for Electric Circuits…
Textbook
As was stated in the last chapter, there is more than one type of…
Textbook
The choice of step-down transformers to use in a project such as this…
Worksheets - Audio
Definition of a Radical Given the expression where “x” is…
Textbook
Explain how the microphone in your amplifier works. How, exactly, does…
Worksheets - Audio
It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - Audio
In the last section, we learned what would happen in simple…
Textbook
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
Thyristors are a broad classification of bipolar-conducting…
Textbook
Determine the output voltage polarity of this op-amp (with reference…
Worksheets - Audio
If I needed to describe the distance between two cities, I could…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Fundamentally, an amplifier is a device that takes in a low-power…
Worksheets - Audio
In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.
Textbook
You may have wondered where we got that strange equation for the…
Textbook
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Audio
Generators used in battery-charging systems must be regulated so as to…
Worksheets - Audio
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
To enter numbers in scientific notation into a hand calculator, there…
Textbook
Up to now, every circuit that was presented was a combinatorial…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Audio
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
As we saw earlier, a power system with no secure connection to earth…
Textbook
A very useful tool for observing rotating objects is a strobe light.…
Worksheets - Audio
What is a Synchronous Counter? A synchronous counter, in contrast to…
Textbook
We have the symbols for depletion mode and enhancement mode MOSFETs -…
Textbook
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.
Textbook
Ladder diagrams are specialized schematics commonly used to document…
Textbook
The electrons of different types of atoms have different degrees of…
Textbook
Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Audio
As was stated in the last chapter, there is more than one type of…
Textbook
Incomplete
Textbook
While Oersted’s surprising discovery of electromagnetism paved…
Textbook
In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.
Textbook
Capacitors do not have a stable “resistance” as conductors…
Textbook
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