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Historical, Nonmechanical Memory Technologies

Textbook

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

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…

Flash ADC

Textbook

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

NAND Gate S-R Enabled Latch

Textbook

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

Modern Nonmechanical Memory

Textbook

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

Memory with moving parts: “Drives”

Textbook

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

Memory Devices

Worksheets - Memory

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

Microprocessors

Textbook

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

TTL NOR and OR gates

Textbook

Let’s examine the following TTL circuit and analyze its operation:…

Arc Flash and Arc Blast

Worksheets - Memory

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

Programmable Logic Technology

Worksheets - Memory

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

Shift Registers

Worksheets - Memory

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

NAND Gate S-R Flip-Flop

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

NOR Gate S-R Latch

Textbook

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

TTL NAND and AND gates

Textbook

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

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

What Are Zener Diodes?

Textbook

What Is a Zener Diode? A Zener diode is a special type of rectifying…

Basic Ohmmeter Use

Worksheets - Memory

Explain how an ohmmeter is able to measure the resistance of a…

CMOS Gate Circuitry

Textbook

Up until this point, our analysis of transistor logic circuits has…

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

The Common-collector Amplifier

Textbook

Our next transistor configuration to study is a bit simpler for gain…

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Design Project: DC Voltage Regulator

Worksheets - Memory

It may seem difficult to even start on a project such as this, with no…

RMS Voltage Calculator

Tools

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

The Command-line Interface

Textbook

If you’ve used DOS or UNIX operating systems before in a…

Active Filters

Worksheets - Memory

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

Atomic Structure

Worksheets - Memory

Shown here is a simplified representation of an atom: the smallest…

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

AC Circuit Equations

Textbook

Inductive reactance Capacitive reactance Impedance in relation to R…

Numbers versus Numeration

Textbook

It is imperative to understand that the type of numeration system used…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Digital Communication

Worksheets - Memory

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Superposition Theorem

Worksheets - Memory

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

The J-K Flip-Flop

Textbook

Another variation on a theme of bistable multivibrators is the J-K…

Temperature Coefficient of Resistance

Worksheets - Memory

It is a common phenomenon for the electrical resistance of a substance…

Voltage Follower

Textbook

PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Boolean Relationships on Venn Diagrams

Textbook

The fourth example has A partially overlapping B. Though, we will…

Millman’s Theorem

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

Series and Parallel Component Equivalent Values

Textbook

Series and parallel resistances Series and parallel inductances…

Time Constant Calculations

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

Programmable Logic Technology

Worksheets - Memory

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

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

Basic Logic Gates

Worksheets - Memory

Identify the type of logic gate shown in this schematic diagram, and…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Simple Parallel Circuits

Textbook

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

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Integrated Circuits

Textbook

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…