Latest Discrete Logic Education

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Latch Circuits

Worksheets - Discrete Logic

What do you think this logic buffer gate will do, with the output…

Counters

Worksheets - Discrete Logic

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

Logic Signal Voltage Levels

Textbook

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

TTL NOR and OR gates

Textbook

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

Digital Logic Signals

Worksheets - Discrete Logic

A rheostat (variable resistor) and a switch are both examples of…

CMOS Logic Gates

Worksheets - Discrete Logic

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

Look-up Tables

Textbook

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

Conventional Transistor Overview and Special Transistors

Worksheets - Discrete Logic

A microcontroller is a specialized type of digital computer used to…

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.

Special-output Gates

Textbook

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

Digital Lab - Digital Combination Lock

Textbook

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.

Boolean Rules for Simplification

Textbook

Boolean algebra finds its most practical use in the simplification of…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Digital Logic With Feedback

Textbook

With simple gate and combinational logic circuits, there is a definite…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

The J-K Flip-Flop

Textbook

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

TTL NAND and AND gates

Textbook

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

Design Project: Logic Probe

Worksheets - Discrete Logic

What factors determine where potentiometers Rpot1 and Rpot2 must be…

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

Analog Lab - 555 Oscillator (Astable Multivibrator)

Textbook

In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.

Binary Addition

Textbook

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

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Peak, Average, and RMS Measurements

Worksheets - Discrete Logic

How is it possible to assign a fixed value of voltage or current (such…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

555 Lab - Oscillator With Hysteresis

Textbook

In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

555 Lab - Monostable Multivibrator (One-shot)

Textbook

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.

Digital Display Circuits

Worksheets - Discrete Logic

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

Modern Nonmechanical Memory

Textbook

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

Shift Registers

Worksheets - Discrete Logic

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

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Insulated Gate Field-Effect Transistors

Worksheets - Discrete Logic

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

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

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

Textbook

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

Gate Universality

Textbook

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

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

Flash ADC

Textbook

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

Introduction to Digital-Analog Conversion

Textbook

Connecting digital circuitry to sensor devices is simple if the sensor…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

555 Timer Astable Oscillator Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.

Introduction to Complex Numbers

Textbook

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

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Voltage/Current Converter OpAmp Circuits

Worksheets - Discrete Logic

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

The Command-line Interface

Textbook

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

Finite-length Transmission Lines

Textbook

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

Speed Distance Time Calculator

Tools

This calculator will solve for either distance, time, or speed given two of the three parameters.

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Si Lab - Intro to Discrete Semiconductor Circuits

Textbook

In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.

Binary Addition

Textbook

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

Contributors (6)

Textbook

Contributors to this chapter are listed in chronological order of…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Demultiplexers

Textbook

A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…

Complex Vector Addition

Textbook

If vectors with uncommon angles are added, their magnitudes (lengths)…