Categories

Memory with moving parts: “Drives”

Textbook

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

NAND Gate S-R Flip-Flop

Textbook

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

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 #…

Programmable Logic Technology

Worksheets - Memory

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

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…

TTL NOR and OR gates

Textbook

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

Flash ADC

Textbook

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

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Microprocessors

Textbook

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

Arc Flash and Arc Blast

Worksheets - Memory

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

TTL NAND and AND gates

Textbook

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

Modern Nonmechanical Memory

Textbook

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

NAND Gate S-R Enabled Latch

Textbook

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

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…

Microprocessors

Textbook

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

Differential Equations

Textbook

As opposed to normal equations where the solution is a number, a…

Binary Addition

Textbook

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

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Design Project: Radio Transmitter

Worksheets - Memory

Research the FCC (Federal Communication Commission) guidelines on…

SPICE Models

Textbook

The SPICE circuit simulation program provides for modeling diodes in…

DC Transducers

Worksheets - Memory

Research and describe what the Hall effect is, and list some practical…

Atomic Structure

Worksheets - Memory

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

Basic Ohmmeter Use

Worksheets - Memory

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

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.

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Simple Series Resonance

Textbook

A similar effect happens in series inductive/capacitive circuits. When…

Electrical Connections

Worksheets - Memory

What, exactly, is necessary to establish electrical continuity between…

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

The Antiderivative (Indefinite Integral)

Textbook

  Notice something important here: taking the derivative of f(x)…

Amplifiers

Textbook

Practical Benefit of Active Devices The practical benefit of active…

Contact “Bounce”

Textbook

When a switch is actuated and contacts touch one another under the…

Metric Prefixes and Unit Conversions

Textbook

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Potentiometer as a Voltage Divider

Textbook

PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Multi-Stage Amplifier

Textbook

PARTS AND MATERIALS Three NPN transistors—model 2N2222 or 2N3403…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Basic Operational Amplifiers

Worksheets - Memory

Determine the output voltage polarity of this op-amp (with reference…

MESFETs

Textbook

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

Applications of Resonance

Textbook

So far, the phenomenon of resonance appears to be a useless curiosity,…

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Microprocessor Programming

Worksheets - Memory

What is the difference between a JMP (“jump”) instruction and a…

LED Sequencer

Textbook

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

Electric Shock Data

Textbook

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

Voltmeter Usage

Textbook

PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Band Theory of Solids

Textbook

Quantum physics describes the states of electrons in an atom according…

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Three-phase Y and Delta Configurations

Textbook

Three-phase Wye(Y) Connection Initially, we explored the idea of…

Radar Maximum Range Calculator

Tools

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