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Introduction to Digital Communication

Introduction to Digital Communication

In the design of large and complex digital systems, it is often…


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Digital Lab - 10-bit Flashing LED Sequencer

Digital Lab - 10-bit Flashing LED Sequencer

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.


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Stepper Motors

Stepper Motors

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


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Shift Registers

Shift Registers

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


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Counters

Counters

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


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Shift Registers: Serial-in, Serial-out

Shift Registers: Serial-in, Serial-out

Serial-in, serial-out shift registers delay data by one clock time for…


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Digital Communication

Digital Communication

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


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Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


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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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Design Project: Stepper Motor Driver

Design Project: Stepper Motor Driver

At first it may seem pointless to have the four buffer gates following…


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Relay Construction

Relay Construction

Electricity and Magnetism An electric current through a conductor will…


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Memory Devices

Memory Devices

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


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Digital Logic Signals

Digital Logic Signals

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


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The J-K Flip-Flop

The J-K Flip-Flop

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


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Programmable Logic Controllers (PLC)

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…


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Microprocessors

Microprocessors

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


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555 Timer Astable Oscillator Circuit

555 Timer Astable Oscillator Circuit

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.


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Asynchronous Counters

Asynchronous Counters

In the previous section, we saw a circuit using one J-K flip-flop that…


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Flip-Flop Circuits

Flip-Flop Circuits

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


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Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


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Integrated Circuits

Integrated Circuits

  A Logic Gate is assigned as an elementary building block of…


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Time-delay Relays

Time-delay Relays

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


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Digital Logic With Feedback

Digital Logic With Feedback

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


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Digital Logic Functions

Digital Logic Functions

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


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Diode Switching Circuits

Diode Switching Circuits

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


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Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


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The “Buffer” Gate

The “Buffer” Gate

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


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Flash ADC

Flash ADC

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


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Delta-Sigma ADC

Delta-Sigma ADC

One of the more advanced ADC technologies is the so-called…


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Conventional Transistor Overview and Special Transistors

Conventional Transistor Overview and Special Transistors

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


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Introduction to Digital-Analog Conversion

Introduction to Digital-Analog Conversion

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


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Synchronous Counters

Synchronous Counters

What is a Synchronous Counter? A synchronous counter, in contrast to…


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Digital Lab - Introduction

Digital Lab - Introduction

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.


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Logic Signal Voltage Levels

Logic Signal Voltage Levels

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


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Finite-state Machine

Finite-state Machine

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


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Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


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Peak, Average, and RMS Measurements

Peak, Average, and RMS Measurements

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


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Venn Diagrams and Sets

Venn Diagrams and Sets

Mathematicians use Venn diagrams to show the logical relationships of…


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Using Multiple Combinational Circuits

Using Multiple Combinational Circuits

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


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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.


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Trigonometric Derivatives

Trigonometric Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…


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Sum and Product Notation

Sum and Product Notation

For reference, this section introduces the terminology used in some…


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Si Lab - Full-wave Center-tap Rectifier

Si Lab - Full-wave Center-tap Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.


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Static Electricity

Static Electricity

What does it mean for an object to have an electric charge? Give an…


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Delta-Sigma ADC

Delta-Sigma ADC

One of the more advanced ADC technologies is the so-called…


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Sequences

Sequences

Arithmetic Sequences An arithmetic sequence is a series of numbers…


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Karnaugh Mapping

Karnaugh Mapping

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


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DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


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Voltmeter Design

Voltmeter Design

As was stated earlier, most meter movements are sensitive devices.…


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SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


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Parallel Resistor-Capacitor Circuits

Parallel Resistor-Capacitor Circuits

Using the same value components in our series example circuit, we will…


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Binary Math Circuits

Binary Math Circuits

Add the following binary numbers:


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Optoelectronic Devices

Optoelectronic Devices

In this circuit, the electric motor is supposed to turn on whenever…


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Peak Detector

Peak Detector

A peak detector is a series connection of a diode and a…


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

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

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


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Analog Lab - 555 Oscillator (Astable Multivibrator)

Analog Lab - 555 Oscillator (Astable Multivibrator)

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.


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Si Lab - Full-wave Bridge Rectifier

Si Lab - Full-wave Bridge Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.


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Optical Data Communication

Optical Data Communication

A modern alternative to sending (binary) digital information via…


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Principles of Radio

Principles of Radio

One of the more fascinating applications of electricity is in the…


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Hand Calculator Use

Hand Calculator Use

To enter numbers in scientific notation into a hand calculator, there…


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