Latest Discrete Logic Education

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Encoders and Decoders

Worksheets - Discrete Logic

What does it mean, in general terms, to encode something? Conversely,…

TTL Logic Gates

Worksheets - Discrete Logic

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

TTL NOR and OR gates

Textbook

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

Fail-safe Design

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Logic circuits, whether comprised of electromechanical relays or…

The Exclusive-OR Function: The XOR Gate

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What Is an XOR Gate? One element conspicuously missing from the set of…

Safe Meter Usage

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Using an electrical meter safely and efficiently is perhaps the most…

Universal Shift Registers: Parallel-in, Parallel-out

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The purpose of the parallel-in/ parallel-out shift register is to take…

A Binary Adder

Textbook

Suppose we wanted to build a device that could add two binary bits…

Karnaugh Mapping

Worksheets - Discrete Logic

Identify each of these logic gates by name, and complete their…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Special-output Gates

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Complementary Output Gates It is sometimes desirable to have a logic…

Converting Truth Tables into Boolean Expressions

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

Logic Signal Voltage Levels

Textbook

Input Voltages for Logic Gates Logic gate circuits are designed to…

DIP Gate Packaging

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Digital logic gate circuits are manufactured as integrated circuits:…

Finite State Machines

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Up to now, every circuit that was presented was a combinatorial…

Electromechanical Relay Logic

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

Timer Circuits

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

Programmable Logic Technology

Worksheets - Discrete Logic

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

Multiple-input Gates

Textbook

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

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

Textbook

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.

Flip-Flop Circuits

Worksheets - Discrete Logic

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

Digital Lab - 7-segment LED Display

Textbook

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

Time-delay Relays

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What are Time-Delay Relays? Some relays are constructed with a kind of…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Boolean Relationships on Venn Diagrams

Textbook

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

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Microprocessors

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

Digital Lab - Introduction

Textbook

In this collection of hands-on electronics experiments, build and test digital circuits and learn the fundamentals of digital logic circuits, including gates, counters, logic levels, hysteresis, memory, and more.

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Basic Logic Gate Troubleshooting

Worksheets - Discrete Logic

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

Servo Motor Systems

Worksheets - Discrete Logic

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

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Logic Simplification With Karnaugh Maps

Textbook

The logic simplification examples that we have done so far could have…

Programmable Logic Controllers

Worksheets - Discrete Logic

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

Multiplexers

Textbook

A multiplexer, abbreviated mux, is a device that has multiple inputs…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Sum-of-Products and Product-of-Sums Expressions

Worksheets - Discrete Logic

Identify each of these logic gates by name, and complete their…

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

Textbook

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

Multiplexers and Demultiplexers

Worksheets - Discrete Logic

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

Antenna Downtilt and Coverage Calculator

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This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

Basic Troubleshooting Strategies

Worksheets - Discrete Logic

A chandelier has five light bulbs in it, and one of them is not…

Decibels Equations

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  RELATED WORKSHEETS: Decibel Measurements Worksheet

Depletion-type IGFETs

Textbook

Insulated gate field-effect transistors are unipolar devices just like…

Resistance, Reactance, and Impedance

Worksheets - Discrete Logic

What will happen to the brightness of the light bulb as the iron core…

Si Lab - Bipolar Transistor as a Switch

Textbook

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.

Introduction to Karnaugh Mapping

Textbook

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

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law    …

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Electrical Signal Types

Textbook

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

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Clipper Circuits

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A circuit which removes the peak of a waveform is known as a clipper.…

Stripline Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline

Digital Lab - Basic 2-Input NAND Gate Circuit

Textbook

In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.

Simple Series Resonance

Textbook

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

LC Resonant Frequency Calculator

Tools

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

Digital Display Circuits

Worksheets - Discrete Logic

What is the purpose of a seven-segment decoder circuit? What is a…