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Memory with moving parts: “Drives”

Textbook

The earliest forms of digital data storage involving moving parts was…

Historical, Nonmechanical Memory Technologies

Textbook

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

NOR Gate S-R Latch

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Arc Flash and Arc Blast

Worksheets - Memory

Electromechanical relays used to start and stop high-power electric…

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

Memory Devices

Worksheets - Memory

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

Shift Registers

Worksheets - Memory

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

NAND Gate S-R Enabled Latch

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

TTL NAND and AND gates

Textbook

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

TTL NOR and OR gates

Textbook

TTL Circuit Analysis Let’s examine the following TTL circuit and…

Digital Memory Terms and Concepts

Textbook

When we store information in some kind of circuit or device, we not…

Read-Only Memory (ROM)

Textbook

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

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Programmable Logic Technology

Worksheets - Memory

Define the following acronyms as they apply to digital logic circuits:…

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Optoelectronic Devices

Worksheets - Memory

In this circuit, the electric motor is supposed to turn on whenever…

Servo Motor Systems

Worksheets - Memory

Explain the operation of this “H-bridge” motor control circuit: At…

Battery Ratings

Textbook

Because batteries create current flow in a circuit by exchanging…

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - Memory

Introduction to Conductance and Conductors

Textbook

By now you should be well aware of the correlation between electrical…

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

BJT Amplifier Troubleshooting

Worksheets - Memory

As an instructor of electronics, I am called upon frequently to help…

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

Magnetism

Worksheets - Memory

A permanent magnet is a device that retains a magnetic field without…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Introduction to Karnaugh Mapping

Textbook

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Memory

As an electric current is passed through a coil of wire, it creates a…

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…

Properties of Exponents

Textbook

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

Parallel Resistance Calculator

Tools

Calculate the total resistance of resistors in parallel with ease!

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Logarithms for Analog Circuits

Worksheets - Memory

The concept of a mathematical power is familiar to most students of…

Radar Maximum Range Calculator

Tools

This tool is designed to calculate the maximum distance (range) that a radar can detect

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Transistor Ratings and Packages (BJT)

Textbook

Like all electrical and electronic components, transistors are limited…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Voltage, Current, and Resistance

Worksheets - Memory

Voltage is commonly defined as “electrical pressure.” The unit of…

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Light-Pulse Switch

Worksheets - Memory

It is fairly important to use large value resistors (10 MΩ works…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Design Project: Audio Power Amplifier

Worksheets - Memory

Explain how the microphone in your amplifier works. How, exactly, does…

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Thevenin-Norton Equivalencies

Textbook

Since Thevenin’s and Norton’s Theorems are two equally…

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Series-Parallel Combination AC Circuits

Worksheets - Memory

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