All About Circuits

Latest Discrete Logic Education

Categories

Shift Registers

Shift Registers

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


Worksheets - Discrete Logic

Basic Logic Gate Troubleshooting

Basic Logic Gate Troubleshooting

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


Worksheets - Discrete Logic

Quantum Devices

Quantum Devices

Most integrated circuits are digital, based on MOS (CMOS) transistors.…


Textbook

Introduction to Boolean Algebra

Introduction to Boolean Algebra

Mathematical rules are based on the defining limits we place on the…


Textbook

Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


Textbook

Converting Truth Tables into Boolean Expressions

Converting Truth Tables into Boolean Expressions

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


Textbook

Digital Logic Functions

Digital Logic Functions

We can construct a simple logic functions for our hypothetical lamp…


Textbook

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.


Textbook

DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


Textbook

Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


Worksheets - Discrete Logic

Half-Adder

Half-Adder

As a first example of useful combinational logic, let’s build a…


Textbook

Digital Lab - Basic 2-Input NAND Gate Circuit

Digital Lab - Basic 2-Input NAND Gate Circuit

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.


Textbook

The “Buffer” Gate

The “Buffer” Gate

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


Textbook

Digital Display Circuits

Digital Display Circuits

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


Worksheets - Discrete Logic

Logic Signal Voltage Levels

Logic Signal Voltage Levels

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


Textbook

Insulated Gate Field-Effect Transistors

Insulated Gate Field-Effect Transistors

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


Worksheets - Discrete Logic

CMOS Gate Circuitry

CMOS Gate Circuitry

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


Textbook

Counters

Counters

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


Worksheets - Discrete Logic

Digital Logic Signals

Digital Logic Signals

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


Worksheets - Discrete Logic

Logic Simplification With Karnaugh Maps

Logic Simplification With Karnaugh Maps

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


Textbook

Analog and Digital Signals

Analog and Digital Signals

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


Textbook

555 Lab - Blue LED Flasher With Voltage Doubler

555 Lab - Blue LED Flasher With Voltage Doubler

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.


Textbook

Boolean Rules for Simplification

Boolean Rules for Simplification

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


Textbook

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

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

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


Textbook

Latch Circuits

Latch Circuits

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


Worksheets - Discrete Logic

Introduction to Karnaugh Mapping

Introduction to Karnaugh Mapping

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


Textbook

Safe Meter Usage

Safe Meter Usage

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


Textbook

Finite-state Machine

Finite-state Machine

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


Textbook

Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


Worksheets - Discrete Logic

Finite State Machines

Finite State Machines

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


Textbook

“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


Textbook

The “Buffer” Gate

The “Buffer” Gate

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


Textbook

Conventional Transistor Overview and Special Transistors

Conventional Transistor Overview and Special Transistors

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


Worksheets - Discrete Logic

Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


Worksheets - Discrete Logic

Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


Worksheets - Discrete Logic

Using Multiple Combinational Circuits

Using Multiple Combinational Circuits

As an example of using several circuits together, we are going to make…


Textbook

Design Project: Power Inverter

Design Project: Power Inverter

A common topology for DC-AC power converter circuits uses a pair of…


Worksheets - Discrete Logic

Gate Universality

Gate Universality

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


Textbook

Op-amp Circuits

Op-amp Circuits

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


Worksheets - Discrete Logic

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.


Textbook

Introduction to Mixed-Frequency AC Signals

Introduction to Mixed-Frequency AC Signals

In our study of AC circuits thus far, we’ve explored circuits…


Textbook

555 Lab - Introduction to the 555 Timer IC

555 Lab - Introduction to the 555 Timer IC

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.


Textbook

Si Lab - BJT Common-collector Voltage Follower

Si Lab - BJT Common-collector Voltage Follower

In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.


Textbook

Power Measurement

Power Measurement

Power measurement in AC circuits can be quite a bit more complex than…


Textbook

Specific Resistance

Specific Resistance

Designing Wire Resistance Conductor ampacity rating is a crude…


Textbook

Vectors and AC Waveforms

Vectors and AC Waveforms

OK, so how exactly can we represent AC quantities of voltage or…


Textbook

Si Lab - Astable Multivibrator Audio Oscillator

Si Lab - Astable Multivibrator Audio Oscillator

In this hands-on semiconductor electronics experiment, build an astable multivibrator (oscillator) circuit that provides an output in the audio frequency range and learn the effect of component values and supply voltage on oscillation frequency.


Textbook

Lenz’s Law and Faraday’s Law Calculator

Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.


Tools

The Pentode

The Pentode

Another strategy for addressing the problem of secondary electrons…


Textbook

Digital Logic With Feedback

Digital Logic With Feedback

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


Textbook

Winding Configurations

Winding Configurations

Transformers with Multiple Secondaries Transformers are very versatile…


Textbook

DC Lab - An Analog Computer For Averaging

DC Lab - An Analog Computer For Averaging

In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.


Textbook

Scientific Notation and Metric Prefixes

Scientific Notation and Metric Prefixes

Write the following exponential expressions in expanded form: 101 =…


Worksheets - Discrete Logic

Series and Parallel Capacitors

Series and Parallel Capacitors

When capacitors are connected in series, the total capacitance is…


Textbook

Temperature Converter

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin


Tools

DC Lab - Potentiometer as a Rheostat

DC Lab - Potentiometer as a Rheostat

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.


Textbook

An Electric Pendulum

An Electric Pendulum

Capacitors store energy in the form of an electric field, and…


Textbook

DC Generator Theory

DC Generator Theory

Generators used in battery-charging systems must be regulated so as to…


Worksheets - Discrete Logic

Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


Worksheets - Discrete Logic

Gate Universality

Gate Universality

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


Textbook