As an instructor of electronics, I am called upon frequently to help…
Worksheets - Microphones
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
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Worksheets - Microphones
What is the purpose of the switch shown in this schematic diagram?
Worksheets - Microphones
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Microphones
Radio waves are comprised of oscillating electric and magnetic fields,…
Worksheets - Microphones
Decibel as Absolute Unit of Power It is also possible to use the…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Microphones
Whenever there is a mismatch of impedance between transmission line…
Textbook
The Q factor of a series inductive circuit is given by the following…
Worksheets - Microphones
In the common-emitter section of this chapter, we saw a SPICE analysis…
Textbook
In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.
Textbook
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Microphones
Suppose you were installing a high-power stereo system in your car,…
Worksheets - Microphones
When lightning strikes, nearby magnetic compass needles may be seen to…
Worksheets - Microphones
At the beginning of this chapter, it illustrates how transistors could…
Textbook
What does the acronym RF stand form, in reference to radio-related…
Worksheets - Microphones
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Textbook
Wire-by-Number project: simple voltage divider Description: Build a…
Worksheets - Microphones
A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.
Tools
Pure semiconductors are relatively good insulators as compared with…
Textbook
In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.
Textbook
A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…
Textbook
A waveguide is a special form of transmission line consisting of a…
Textbook
This calculator computes the inductance of a microstrip etched on a PCB.
Tools
With the notable exception of calculations for power (P), all AC…
Textbook
A calculator for computing the gain and output voltage of an operational amplifier
Tools
Suppose we altered our basic open-collector inverter circuit, adding a…
Textbook
What is the purpose of the switch shown in this schematic diagram?
Worksheets - Microphones
So far in our discussions on electricity and electric circuits, we…
Textbook
This calculator will determine the instantaneous energy, sustained energy, and power consumed by an electrical system given two of the three electrical parameters (voltage, current, or resistance) and the time.
Tools
Although many textbooks provide good introductions to digital memory…
Textbook
In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.
Textbook
In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
Textbook
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.
Textbook
Synchronous motors load the power line with a leading power factor.…
Textbook
There are four basic factors of inductor construction determining the…
Textbook
Introduction This third volume of the book series Lessons In Electric…
Textbook
This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.
Tools
Most of us have experienced some form of electric “shock,”…
Textbook
Facebook
Google
GitHub
Linkedin