Categories

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Successive Approximation ADC

Textbook

One method of addressing the digital ramp ADC’s shortcomings is…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Sum and Product Notation

Textbook

For reference, this section introduces the terminology used in some…

Demultiplexers

Textbook

A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…

Vol III. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Binary Math

Worksheets - Digital ICs

Counting practice: count from zero to thirty-one in binary, octal, and…

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Timer Circuits

Worksheets - Digital ICs

Don’t just sit there! Build something!! Learning to analyze digital…

Series-Parallel DC Circuits

Worksheets - Digital ICs

Don’t just sit there! Build something!! Learning to mathematically…

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Programmable Logic Controllers

Worksheets - Digital ICs

The Programmable Logic Controller, or PLC, was invented in the late…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Converting Truth Tables into Boolean Expressions

Textbook

In designing digital circuits, the designer often begins with a truth…

Junction Diodes

Textbook

There was some historic crude, but usable were some historic crude,…

The Gated S-R Latch

Textbook

It is sometimes useful in logic circuits to have a multivibrator which…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Vol V. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Boolean Algebra

Worksheets - Digital ICs

Don’t just sit there! Build something!! Learning to analyze digital…

Properties of Exponents

Textbook

Product of Powers Property am an = am+n   Power of a Product…

Shift Registers: Serial-in, Serial-out

Textbook

Serial-in, serial-out shift registers delay data by one clock time for…

Design Project: Sensitive Microphone Amplifier

Worksheets - Digital ICs

Identify which direction each potentiometer wiper must move in this…

TTL NAND and AND gates

Textbook

Suppose we altered our basic open-collector inverter circuit, adding a…

Series-Parallel DC Circuits

Worksheets - Digital ICs

Don’t just sit there! Build something!! Learning to mathematically…

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Digital ICs

The electrical resistance of a conductor at any temperature may be…

Basic Electromagnetic Relays

Worksheets - Digital ICs

Don’t just sit there! Build something!! Learning to analyze relay…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

AC phase

Worksheets - Digital ICs

If we were to express the series-connected DC voltages as phasors…

Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

Ohm’s Law

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

Active Loads in Amplifier Circuits

Worksheets - Digital ICs

We know that the current in a series circuit may be calculated with…

Resistor Color Code Calculator and Chart (4-band, 5-band or 6-band)

Tools

A handy tool for reading resistor color code values

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Digital Signals and Gates

Textbook

While the binary numeration system is an interesting mathematical…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

R, L and C Summary

Textbook

With the notable exception of calculations for power (P), all AC…

Electromechanical Relay Logic

Worksheets - Digital ICs

In ladder logic symbolism, an electromechanical relay coil is shown as…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Contributors (7)

Textbook

Contributors to this chapter are listed in chronological order of…

Soldering

Worksheets - Digital ICs

Both soldering irons and soldering guns are tools used in the process…

Impedance Matching With Transformers

Worksheets - Digital ICs

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Inductors and Calculus

Textbook

Inductors do not have a stable “resistance” as conductors…