Input Voltages for Logic Gates Logic gate circuits are designed to…
Textbook
The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
Tools
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Oscillators
A rheostat (variable resistor) and a switch are both examples of…
Worksheets - Oscillators
The circuit shown here is a four-bit analog-to-digital converter…
Worksheets - Oscillators
As we’ve seen, negative feedback is an incredibly useful…
Textbook
Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Oscillators
If we connect the output of an op-amp to its inverting input and apply…
Textbook
Write an equation describing the precise mathematical relationship…
Worksheets - Oscillators
In instrumentation circuitry, DC signals are often used as analog…
Textbook
An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Oscillators
Thyristors are a class of semiconductor components exhibiting…
Textbook
If we add a voltage divider to the negative feedback wiring so that…
Textbook
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Unijunction transistor: Although a unijunction transistor is not a…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Oscillators
In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
Textbook
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Worksheets - Oscillators
Like all diodes, Shockley diodes are unidirectional devices; that is,…
Textbook
Generally speaking, how many “time constants” worth of time does…
Worksheets - Oscillators
If at all possible, shut off the power to a circuit before performing…
Textbook
There was some historic crude, but usable semiconductor…
Textbook
Many electronic circuits use what is called a split or a dual power…
Worksheets - Oscillators
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Oscillators
If a block of P-type semiconductor is placed in contact with a block…
Textbook
For extremely high-frequency applications (above 1 GHz), the…
Textbook
The circuit in the previous section is not a very practical one. In…
Textbook
If some percentage of an amplifier’s output signal is connected…
Textbook
Complementary Output Gates It is sometimes desirable to have a logic…
Textbook
In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.
Textbook
It was discovered centuries ago that certain types of materials would…
Textbook
Resistors vs. Inductors Inductors do not behave the same way as…
Textbook
Pulse Width Modulation (PWM) uses digital signals to control power…
Textbook
In the last section, we learned what would happen in simple…
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
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Oscillators
Digital logic gate circuits are manufactured as integrated circuits:…
Textbook
Don’t just sit there! Build something!! Learning to analyze relay…
Worksheets - Oscillators
In many disciplines of science and engineering, very large and very…
Textbook
If we take three equal resistors and connect one end of each to a…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
All entries arranged in alphabetical order of surname. Major…
Textbook
The final transistor amplifier configuration (Figure below) we need to…
Textbook
When an alternator produces AC voltage, the voltage switches polarity…
Textbook
This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.
Tools
This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor
Tools
Standing waves at the resonant frequency points of an open- or…
Textbook
In the chapter on mixed-frequency signals, we explored the concept of…
Textbook
Identify each of these logic gates by name, and complete their…
Worksheets - Oscillators
Conductors lose all of their electrical resistance when cooled to…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Oscillators
This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline
Tools
We’ve already seen one example of a monostable multivibrator in…
Textbook
In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
Textbook
Just like voltmeters, ammeters tend to influence the amount of current…
Textbook
In DC and low-frequency AC circuits, the characteristic impedance of…
Textbook
In essence, the IGFET controls the base current of a BJT, which…
Textbook
In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
Textbook
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