What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optoelectronics
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
Before the advent of solid-state logic circuits, logical control…
Textbook
In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
Textbook
Identify each of these logic gates by name, and complete their…
Worksheets - Optoelectronics
In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.
Textbook
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Textbook
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Tools
In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Textbook
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optoelectronics
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
In addition to performing tasks of amplification and switching, tubes…
Textbook
In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.
Textbook
In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
Textbook
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optoelectronics
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Textbook
In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Textbook
How is it possible to electrically measure the torque output by a…
Worksheets - Optoelectronics
A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line
Tools
As a first example of useful combinational logic, let’s build a…
Textbook
At the start of this book, we discussed static electricity and how it…
Textbook
Superconducting devices, though not widely used, have some unique…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
Textbook
De Forest’s Audion tube came to be known as the triode tube…
Textbook
This calculator helps you compute the characteristic impedance of an embedded microstrip.
Tools
Though it may seem strange to cover the elementary topic of electrical…
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Textbook
The Q factor of a series inductive circuit is given by the following…
Worksheets - Optoelectronics
It is a common phenomenon for the electrical resistance of a substance…
Worksheets - Optoelectronics
Thomas Edison, that prolific American inventor, is often credited with…
Textbook
It may seem difficult to even start on a project such as this, with no…
Worksheets - Optoelectronics
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
Tools
How to Create a Band-stop Filter? Also called band-elimination,…
Textbook
This calculator helps you compute the inductance of a wire loop.
Tools
RELATED WORKSHEETS: JFET Amplifiers Worksheet
Textbook
For a given amount of water pressure, which will flow a greater rate…
Worksheets - Optoelectronics
In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.
Textbook
When a PCB designer speaks of dimensions in thous or mils, what does…
Worksheets - Optoelectronics
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Optoelectronics
The circuit in the previous section is not a very practical one. In…
Textbook
Textbook
Learn About L/R Time Constants It is often perplexing to new students…
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By now you should be well aware of the correlation between electrical…
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
It used to be with large AC power systems that “power…
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Complementary Output Gates It is sometimes desirable to have a logic…
Textbook
To overcome the challenge of creating necessary DC bias voltage for an…
Textbook
In many disciplines of science and engineering, very large and very…
Textbook
Of course, there is a danger of electrical shock when directly…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
A popular use of diodes is for the mitigation of inductive…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Optoelectronics
We know that the current in a series circuit may be calculated with…
Worksheets - Optoelectronics
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Optoelectronics
Textbook
It should be common-sense knowledge that liquids flow through…
Textbook
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