In addition to performing tasks of amplification and switching, tubes…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Before the advent of solid-state logic circuits, logical control…
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
In addition to performing tasks of amplification and switching, tubes…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
What is the purpose of a seven-segment decoder circuit? What is a…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
A technician uses a stroboscope to “freeze” the rotation of a…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
In this circuit, the electric motor is supposed to turn on whenever…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Identify each of these logic gates by name, and complete their…
The Q factor of a series inductive circuit is given by the following…
If we examine a four-bit binary count sequence from 0000 to 1111, a…
PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length…
Older electrical schematics showed connecting wires crossing, while…
Feedback is a fascinating engineering principle. It can turn a rather…
Superconducting devices, though not widely used, have some unique…
In Millman’s Theorem, the circuit is re-drawn as a parallel…
SCRs are unidirectional (one-way) current devices, making them useful…
As a first example of useful combinational logic, let’s build a…
What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…
A waveguide is a special form of transmission line consisting of a…
Convert to and from different units of length, weight, power, temperature and torque
Don’t just sit there! Build something!! Learning to mathematically…
Things start to get complicated when we need to relate two or more AC…
This calculator will help compute the inductance of a length of wire.
PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery Actually,…
In many disciplines of science and engineering, very large and very…
Define what noise means, in the electrical sense of the word. How does…
This calculator helps you compute the characteristic impedance of a broadside coupled stripline.
