In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
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.
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.
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.
Single Phase Synchronous Motors Single-phase synchronous motors are…
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.
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
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.
Schottky diodes Schottky diodes are constructed of a metal-to-N…
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.
Before the advent of solid-state logic circuits, logical control…
In this circuit, the electric motor is supposed to turn on whenever…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Identify each of these logic gates by name, and complete their…
In addition to performing tasks of amplification and switching, tubes…
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…
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.
Devoting a whole chapter in a modern electronics text to the design…
In this circuit, three resistors receive the same amount of voltage…
What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…
RELATED WORKSHEETS: Decibel Measurements Worksheet
This calculator computes the noise figure and noise temperature in a system
“All men are liable to error;” —John Locke Whereas…
Current Components in a series circuit share the same current: Itotal…
A multiplexer, abbreviated mux, is a device that has multiple inputs…
For ease of drawing complex circuit diagrams, electronic amplifiers…
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.
In Millman’s Theorem, the circuit is re-drawn as a parallel…
Now we can proceed to studying specific types of digital storage…
In the design of large and complex digital systems, it is often…
The principle of non-sinusoidal, repeating waveforms being equivalent…
Safety is very important when designing and/or building a device…
The “vocabulary” of instructions which any particular…
Additive Identity a + 0 = a Multiplicative Identity 1a = a…
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.
Radio waves are comprised of oscillating electric and magnetic fields,…
Don’t just sit there! Build something!! Learning to analyze digital…
A tool designed to convert between units of torque
An unbalanced Wheatstone bridge cannot be solved using simple series…
The Q, or quality, factor of a resonant circuit is a measure of the…
Don’t just sit there! Build something!! Learning to mathematically…
Input Voltages for Logic Gates Logic gate circuits are designed to…
Contributors to this chapter are listed in chronological order of…
Associative Property In addition and multiplication, terms may be…
To express a quantity in a different metric prefix from how it was…
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.
There’s a sure way to calculate any of the values in a reactive…
Centuries ago, it was discovered that certain types of mineral rock…
This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.
Inductive Reactance Capacitive Reactance …
With simple gate and combinational logic circuits, there is a definite…
The purpose of the parallel-in/ parallel-out shift register is to take…
Two relatively recent technologies designed to reduce the…
Also called the parallel A/D converter, this circuit is the simplest…
So far, we’ve explored tubes which are totally…
It was discovered centuries ago that certain types of materials would…
