In this circuit, the electric motor is supposed to turn on whenever…
Before the advent of solid-state logic circuits, logical control…
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…
What is the purpose of a seven-segment decoder circuit? What is a…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
A technician uses a stroboscope to “freeze” the rotation of a…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
In addition to performing tasks of amplification and switching, tubes…
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.
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Identify each of these logic gates by name, and complete their…
PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Single Phase Synchronous Motors Single-phase synchronous motors are…
When connecting batteries together to form larger “banks”…
Power Equation of Ohm’s Law and Joule’s Law …
Contributors to this chapter are listed in chronological order of…
PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…
The Functionality of Diode Polarity Being able to determine the…
In the simplest terms you can think of, define what an electrical…
As we’ve seen, negative feedback is an incredibly useful…
Don’t just sit there! Build something!! Learning to mathematically…
In the common-emitter section of this chapter, we saw a SPICE analysis…
Write an equation describing the precise mathematical relationship…
What is an Encoder? An encoder is a circuit that changes a set of…
Safety is very important when designing and/or building a device…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
When inductors are connected in series, the total inductance is the…
We have the symbols for depletion mode and enhancement mode MOSFETs -…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Don’t just sit there! Build something!! Learning to analyze digital…
Arithmetic Sequences An arithmetic sequence is a series of numbers…
Don’t just sit there! Build something!! Learning to mathematically…
As we saw in a few SPICE analyses earlier in this chapter, the output…
Once again, when building battery/resistor circuits, the student or…
A common topology for DC-AC power converter circuits uses a pair of…
A transistor is a linear semiconductor device that controls current…
Our exploration of thyristors begins with a device called the…
Early computer science pioneers such as Alan Turing and John Von…
This chapter will cover the physics behind the operation of…
Don’t just sit there! Build something!! Learning to analyze digital…
This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp
In the design of large and complex digital systems, it is often…
Try out our Resistor Color Code Calculator in our Tools section.…
Any kind of switch contact can be designed so that the contacts…
Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…
In order to build the circuits described in this volume, you will need…
There are many different types of power sources, and here some of the…
A common class of operation used in radio-frequency (RF) amplifier…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
As was mentioned before, the angle of this “power…
What will this voltmeter register when connected to a battery as shown…
