Schottky diodes Schottky diodes are constructed of a metal-to-N…
What is the purpose of a seven-segment decoder circuit? What is a…
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.
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
In addition to performing tasks of amplification and switching, tubes…
A technician uses a stroboscope to “freeze” the rotation of a…
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.
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Identify each of these logic gates by name, and complete their…
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.
In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
Single Phase Synchronous Motors Single-phase synchronous motors are…
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.
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.
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
Before the advent of solid-state logic circuits, logical control…
In this circuit, the electric motor is supposed to turn on whenever…
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.
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.
What is the purpose of a seven-segment decoder circuit? What is a…
Contributors to this chapter are listed in chronological order of…
Complex numbers are useful for AC circuit analysis because they…
A tool designed to calculate the characteristic impedance of a twisted-pair cable
Using an electrical meter safely and efficiently is perhaps the most…
A bistable multivibrator has two stable states, as indicated by the…
In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.
Let’s take the same components for our series example circuit…
Most of us have experienced some form of electric “shock,”…
Don’t just sit there! Build something!! Learning to mathematically…
Bipolar transistors are constructed of a three-layer semiconductor…
If a sinusoidal voltage is applied to an impedance with a phase angle…
Ohm’s Law also makes intuitive sense if you apply it to the…
In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.
In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
Unijunction transistor: Although a unijunction transistor is not a…
Arithmetic Sequences An arithmetic sequence is a series of numbers…
To enter numbers in scientific notation into a hand calculator, there…
The Inductance Formula Wheeler’s formulas for…
If we add a voltage divider to the negative feedback wiring so that…
