All About Circuits

Latest Digital ICs Education

Categories

555 Lab - Advanced Red LED Flasher

555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.


Textbook

Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


Textbook

Peak, Average, and RMS Measurements

Peak, Average, and RMS Measurements

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


Worksheets - Digital ICs

Why digital?

Why digital?

Although many textbooks provide good introductions to digital memory…


Textbook

Vol III. Credits

Vol III. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Octal and Hexadecimal Numeration

Octal and Hexadecimal Numeration

Because binary numeration requires so many bits to represent…


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

Analog and Digital Signals

Analog and Digital Signals

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


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

Digital Lab - 3-bit Binary Counter

Digital Lab - 3-bit Binary Counter

In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.


Textbook

Flip-Flop Circuits

Flip-Flop Circuits

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


Worksheets - Digital ICs

DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


Textbook

Digital Logic With Feedback

Digital Logic With Feedback

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


Textbook

Encoder

Encoder

What is an Encoder? An encoder is a circuit that changes a set of…


Textbook

555 Lab - Oscillator With Hysteresis

555 Lab - Oscillator With Hysteresis

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.


Textbook

Insulated Gate Field-Effect Transistors

Insulated Gate Field-Effect Transistors

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


Worksheets - Digital ICs

Programmable Logic Technology

Programmable Logic Technology

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


Worksheets - Digital ICs

Tracking ADC

Tracking ADC

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


Textbook

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

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

A serial-in, parallel-out shift register is similar to the serial-in,…


Textbook

Analysis Techniques for Series Parallel Resistor Circuits

Analysis Techniques for Series Parallel Resistor Circuits

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…


Textbook

Gas Discharge Tubes

Gas Discharge Tubes

If you’ve ever witnessed a lightning storm, you’ve seen…


Textbook

Capacitor Quirks

Capacitor Quirks

As with inductors, the ideal capacitor is a purely reactive device,…


Textbook

Introduction to Combinational Logic Functions

Introduction to Combinational Logic Functions

The term “combinational” comes to us from mathematics. In…


Textbook

Introduction to Complex Numbers

Introduction to Complex Numbers

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


Textbook

Inductors

Inductors

An inductor is a passive two-terminal electrical component that…


Textbook

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

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

A serial-in, parallel-out shift register is similar to the serial-in,…


Textbook

Impedance

Impedance

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


Worksheets - Digital ICs

Active Versus Passive Devices

Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…


Textbook

Stripline Trace Width Calculator

Stripline Trace Width Calculator

A calculator designed to calculate the trace width of a stripline based on the maximum current rating


Tools

555 Lab - Red LED Flasher

555 Lab - Red LED Flasher

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.


Textbook

Nonlinear Conduction

Nonlinear Conduction

“Advances are made by answering questions. Discoveries are made…


Textbook

Wire Loop Inductance Calculator

Wire Loop Inductance Calculator

This calculator helps you compute the inductance of a wire loop.


Tools

The Common-base Amplifier

The Common-base Amplifier

The final transistor amplifier configuration (Figure below) we need to…


Textbook

Some Examples with AC Circuits

Some Examples with AC Circuits

Let’s connect three AC voltage sources in series and use complex…


Textbook

Table (landscape view)

Table (landscape view)

Periodic table of chemical elements.


Textbook

Bipolar Junction Transistors

Bipolar Junction Transistors

The bipolar junction transistor (BJT) was named because its operation…


Textbook

Valence and Crystal Structure

Valence and Crystal Structure

Valence: The electrons in the outermost shell, or valence shell, are…


Textbook

Magnetic Fields and Inductance

Magnetic Fields and Inductance

Whenever electrons flow through a conductor, a magnetic field will…


Textbook

DC Motor Theory

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…


Worksheets - Digital ICs

AC Lab - Variable Inductor

AC Lab - Variable Inductor

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.


Textbook

Computer Simulation of Electric Circuits

Computer Simulation of Electric Circuits

Computers can be powerful tools if used properly, especially in the…


Textbook

Quantum Devices

Quantum Devices

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


Textbook

TTL Logic Gates

TTL Logic Gates

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


Worksheets - Digital ICs

Other Specialized Motors

Other Specialized Motors

Shaded Pole Induction Motor An easy way to provide starting torque to…


Textbook

JFET Quirks

JFET Quirks


Textbook

The Silicon-Controlled Rectifier (SCR)

The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…


Textbook

Antenna Downtilt and Coverage Calculator

Antenna Downtilt and Coverage Calculator

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


Tools

Convert MCD to Lumens

Convert MCD to Lumens

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.


Tools

Practical Power Factor Correction

Practical Power Factor Correction

When the need arises to correct for poor power factor in an AC power…


Textbook

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

Design Project: LED Stroboscope

Design Project: LED Stroboscope

A technician uses a stroboscope to “freeze” the rotation of a…


Worksheets - Digital ICs

Potential Pitfalls

Potential Pitfalls

Fallacious reasoning and poor interpersonal relations account for more…


Textbook

Mutual Inductors

Mutual Inductors

Mutual inductors are inductors that capitalize the effect of mutual…


Textbook

Building a Differential Amplifier

Building a Differential Amplifier

Differential Op-Amp Circuits An op-amp with no feedback is already a…


Textbook

AC Lab - Variable Inductor

AC Lab - Variable Inductor

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.


Textbook

VSWR / Return Loss Calculator

VSWR / Return Loss Calculator

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line


Tools

Magnetism

Magnetism

A permanent magnet is a device that retains a magnetic field without…


Worksheets - Digital ICs

Right Triangle Trigonometry

Right Triangle Trigonometry

  A right triangle is defined as having one angle precisely…


Textbook

Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


Textbook

Potentiometers

Potentiometers

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


Worksheets - Digital ICs