All About Circuits

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Memory Devices

Memory Devices

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


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Digital Memory Terms and Concepts

Digital Memory Terms and Concepts

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


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Read-Only Memory (ROM)

Read-Only Memory (ROM)

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


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Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

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


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Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

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


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Microprocessors

Microprocessors

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


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Digital Lab - S-R Latch With Enable Input using NAND Gates

Digital Lab - S-R Latch With Enable Input using NAND Gates

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.


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Arc Flash and Arc Blast

Arc Flash and Arc Blast

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


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Read-Only Memory (ROM)

Read-Only Memory (ROM)

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


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Programmable Logic Technology

Programmable Logic Technology

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


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TTL NOR and OR gates

TTL NOR and OR gates

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


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Digital Memory Terms and Concepts

Digital Memory Terms and Concepts

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


Textbook

Digital Lab - S-R Latch Using NOR Gates

Digital Lab - S-R Latch Using NOR Gates

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.


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Power Density Calculator

Power Density Calculator

A tool designed to calculate the power density of an antenna


Tools

Digital Lab - S-R Flip-flop Using NAND Gates

Digital Lab - S-R Flip-flop Using NAND Gates

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.


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TTL NAND and AND gates

TTL NAND and AND gates

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


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Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

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


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Shift Registers

Shift Registers

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


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Modern Nonmechanical Memory

Modern Nonmechanical Memory

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


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Memory Devices

Memory Devices

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


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Microstrip Max Current Calculator

Microstrip Max Current Calculator

A calculator for solving the maximum current a microstrip can handle.


Tools

Relay Construction

Relay Construction

Electricity and Magnetism An electric current through a conductor will…


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Look-up Tables

Look-up Tables

Having learned about digital memory devices in the last chapter, we…


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Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Shift Registers: Parallel-in, Serial-out (PISO) Conversion

Parallel-in/ serial-out shift registers do everything that the…


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Making a Venn Diagram Look Like a Karnaugh Map

Making a Venn Diagram Look Like a Karnaugh Map

Starting with circle A in a rectangular A’ universe in figure…


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Gate Universality

Gate Universality

NAND and NOR gates possess a special property: they are universal.…


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Digital Lab - S-R Flip-flop Using NAND Gates

Digital Lab - S-R Flip-flop Using NAND Gates

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.


Textbook

DC Lab - Rate-of-change Indicator

DC Lab - Rate-of-change Indicator

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.


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Basic Electricity Worksheet

Basic Electricity Worksheet

What is the purpose of the switch shown in this schematic diagram?


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Why digital?

Why digital?

Although many textbooks provide good introductions to digital memory…


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Basic identities

Basic identities

Additive Identity a + 0 = a Multiplicative Identity 1a = a…


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Impedance Transformation

Impedance Transformation

Standing waves at the resonant frequency points of an open- or…


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Phase-locked Loops

Phase-locked Loops


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Magnetic Units of Measurement

Magnetic Units of Measurement

If the burden of two systems of measurement for common quantities…


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Wattmeter Design

Wattmeter Design

Power in an electric circuit is the product (multiplication) of…


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RMS Voltage Calculator

RMS Voltage Calculator

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


Tools

Digital Lab - Digital Combination Lock

Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.


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Introduction to Complex Numbers

Introduction to Complex Numbers

If I needed to describe the distance between two cities, I could…


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Specific Resistance

Specific Resistance

Designing Wire Resistance Conductor ampacity rating is a crude…


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Resistors

Resistors

Because the relationship between voltage, current, and resistance in…


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