This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
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 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 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
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optoelectronics
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
Single Phase Synchronous Motors Single-phase synchronous motors are…
Textbook
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
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optoelectronics
Identify each of these logic gates by name, and complete their…
Worksheets - Optoelectronics
In addition to performing tasks of amplification and switching, tubes…
Textbook
Before the advent of solid-state logic circuits, logical control…
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
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
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optoelectronics
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 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
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
This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.
Tools
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
Tools
With the notable exception of calculations for power (P), all AC…
Textbook
Because it takes energy to force charge to flow against the opposition…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
In the last section, we learned what would happen in simple…
Textbook
In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
Textbook
In the design of large and complex digital systems, it is often…
Textbook
A common phrase heard in reference to electrical safety goes something…
Textbook
Explain how the microphone in your amplifier works. How, exactly, does…
Worksheets - Optoelectronics
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
As was stated in the last chapter, there is more than one type of…
Textbook
It was discovered centuries ago that certain types of materials would…
Textbook
Textbook
In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.
Textbook
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
Textbook
When a switch is actuated and contacts touch one another under the…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Optoelectronics
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
This calculator helps you compute the inductance of a broadside coupled trace.
Tools
Introduction Whenever an electric voltage exists between two separated…
Textbook
Series and Parallel Resistances Series and Parallel…
Textbook
This tool is designed to convert power ratios to decibel
Tools
The electrical resistance of a conductor at any temperature may be…
Worksheets - Optoelectronics
The purpose of the parallel-in/ parallel-out shift register is to take…
Textbook
The manufacture of only silicon based semiconductors is described…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Optoelectronics
In the beam power tube, the basic four-element structure of the…
Textbook
What does it mean, in general terms, to encode something? Conversely,…
Worksheets - Optoelectronics
This tool helps calculate the impedance of an edge-coupled microstrip.
Tools
Note that the direction of the arrow at the gate indicates the…
Textbook
Transformers with Multiple Secondaries Transformers are very versatile…
Textbook
Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
Textbook
In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.
Textbook
In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.
Textbook
A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna
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