In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Optoelectronics
What is the purpose of a seven-segment decoder circuit? What is a…
Worksheets - Optoelectronics
A technician uses a stroboscope to “freeze” the rotation of a…
Worksheets - Optoelectronics
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
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
Before the advent of solid-state logic circuits, logical control…
Textbook
Identify each of these logic gates by name, and complete their…
Worksheets - Optoelectronics
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 an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
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 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, 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
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Textbook
Single Phase Synchronous Motors Single-phase synchronous motors are…
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
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 and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Textbook
In addition to performing tasks of amplification and switching, tubes…
Textbook
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
A thyristor is a device that has a number of unusual characteristics.…
Textbook
Guidelines to Series-Parallel Combination Circuit Analysis The goal of…
Textbook
In ladder logic symbolism, an electromechanical relay coil is shown as…
Worksheets - Optoelectronics
So far, we’ve studied both S-R and D latch circuits with enable…
Textbook
This calculator helps you compute the characteristic impedance of an embedded microstrip.
Tools
Electromechanical watt-hour meters use an aluminum disk that is spun…
Worksheets - Optoelectronics
When inductors are connected in series, the total inductance is the…
Textbook
The use of variable voltage for instrumentation signals seems a rather…
Textbook
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
Worksheets - Optoelectronics
The Insulated-Gate Field-Effect Transistor (IGFET), also known as…
Textbook
Electromechanical relays used to start and stop high-power electric…
Worksheets - Optoelectronics
How much voltage is there between the following pairs of points in…
Worksheets - Optoelectronics
The most straightforward DC network analysis technique is the branch…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Optoelectronics
This calculator helps you compute the characteristic impedance of a broadside coupled stripline.
Tools
In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.
Textbook
In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.
Textbook
AC electromechanical meter movements come in two basic arrangements:…
Textbook
If we were to express the series-connected DC voltages as phasors…
Worksheets - Optoelectronics
A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.
Tools
In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.
Textbook
As with inductors, the ideal capacitor is a purely reactive device,…
Textbook
You might have been wondering how charges can continuously flow in a…
Textbook
The single-transistor inverter circuit illustrated earlier is actually…
Textbook
Designing Wire Resistance Conductor ampacity rating is a crude…
Textbook
Since Thevenin’s theorem and Norton’s theorems are two…
Textbook
With simple series circuits, all components are connected end-to-end…
Textbook
Note that the direction of the arrow at the gate indicates the…
Textbook
Serial-in, serial-out shift registers delay data by one clock time for…
Textbook
Feedback is a fascinating engineering principle. It can turn a rather…
Textbook
Textbook
What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
Textbook
Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.
Textbook
The first, and perhaps most important, relationship between current,…
Textbook
This calculator determines the total path loss provided by an RF n-way power splitter.
Tools
It is very important to keep in mind that the “normal”…
Textbook
Textbook
Critical temperatures given in Kelvins Material Element/Alloy Critical…
Textbook
This tool is designed to compute for the trace width of a microstrip
Tools
Resonance in a Tank Circuit A condition of resonance will be…
Textbook
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