All About Circuits

Latest Digital ICs Education

Categories

Electromechanical Relay Logic

Electromechanical Relay Logic

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


Worksheets - Digital ICs

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

Binary Overflow

Binary Overflow

One caveat with signed binary numbers is that of overflow, where the…


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

Ring Counters

Ring Counters

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


Textbook

Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


Textbook

Flash ADC

Flash ADC

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


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 - Digital ICs

Digital Communication

Digital Communication

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


Worksheets - Digital ICs

CMOS Logic Gates

CMOS Logic Gates

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


Worksheets - Digital ICs

Memory Devices

Memory Devices

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


Worksheets - Digital ICs

Binary Addition

Binary Addition

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


Textbook

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.


Textbook

Design Project: Logic Probe

Design Project: Logic Probe

What factors determine where potentiometers Rpot1 and Rpot2 must be…


Worksheets - Digital ICs

Delta-Sigma ADC

Delta-Sigma ADC

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


Textbook

Introduction to Karnaugh Mapping

Introduction to Karnaugh Mapping

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


Textbook

Binary Math Circuits

Binary Math Circuits

Add the following binary numbers:


Worksheets - Digital ICs

DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


Textbook

Introduction to Shift Registers

Introduction to Shift Registers

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


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

Design Project: Voltmeter

Design Project: Voltmeter

The most important component of your voltmeter will be the…


Worksheets - Digital ICs

The common-drain Amplifier (JFET)

The common-drain Amplifier (JFET)

RELATED WORKSHEETS: JFET Amplifiers Worksheet


Textbook

Balanced Attenuator Calculator

Balanced Attenuator Calculator

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.


Tools

Decoder

Decoder

A decoder is a circuit that changes a code into a set of signals. It…


Textbook

Inductor Quirks

Inductor Quirks

In an ideal case, an inductor acts as a purely reactive device. That…


Textbook

Power Quality Measurement

Power Quality Measurement

It used to be with large AC power systems that “power…


Textbook

Tubes versus Semiconductors

Tubes versus Semiconductors

Devoting a whole chapter in a modern electronics text to the design…


Textbook

pH Measurement

pH Measurement

A very important measurement in many liquid chemical processes…


Textbook

Practical Power Factor Correction

Practical Power Factor Correction

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


Textbook

The Common-base Amplifier

The Common-base Amplifier

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


Textbook

Design Project: Audio Media-Based Signal Generator

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…


Worksheets - Digital ICs

DC Lab - Precision Potentiometer

DC Lab - Precision Potentiometer

In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.


Textbook

Fundamentals of SPICE programming

Fundamentals of SPICE programming

Programming a circuit simulation with SPICE is much like programming…


Textbook

Capacitor Sizing Equation

Capacitor Sizing Equation

Capacitance Formula     Permittivity of Dielectric  …


Textbook

RF Power Ratio Conversion Calculator

RF Power Ratio Conversion Calculator

This tool is designed to convert power ratios to decibel


Tools

The Command-line Interface

The Command-line Interface

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


Textbook

Mixed-Frequency Signals

Mixed-Frequency Signals

What is a harmonic frequency? If an oscillator circuit outputs a…


Worksheets - Digital ICs

Power Sources

Power Sources

There are many different types of power sources, and here some of the…


Textbook

Metric Prefix Conversions

Metric Prefix Conversions

To express a quantity in a different metric prefix from how it was…


Textbook

Lock-out / Tag-out

Lock-out / Tag-out

In this motor control circuit, how would you ensure that there is no…


Worksheets - Digital ICs

Digital Display Circuits

Digital Display Circuits

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


Worksheets - Digital ICs

DC Lab - Rheostat Range Limiting

DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.


Textbook

Binary Subtraction

Binary Subtraction

We can subtract one binary number from another by using the standard…


Textbook

Potential Pitfalls

Potential Pitfalls

Fallacious reasoning and poor interpersonal relations account for more…


Textbook

High Voltage Ohmmeters

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…


Textbook

Analog Lab - Voltage Comparator

Analog Lab - Voltage Comparator

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.


Textbook

Series R, L, and C

Series R, L, and C

Let’s take the following example circuit and analyze it:  …


Textbook

Component Modeling

Component Modeling

When plotted on a curve tracer, the characteristic curve for a normal…


Worksheets - Digital ICs

Logarithms

Logarithms

Definition of a Logarithm     “log” denotes a…


Textbook

Ohm’s Law - How Voltage, Current, and Resistance Relate

Ohm’s Law - How Voltage, Current, and Resistance Relate

The first, and perhaps most important, relationship between current,…


Textbook

Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.


Textbook

Digital Communication

Digital Communication

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


Worksheets - Digital ICs

Microwave Tubes

Microwave Tubes

For extremely high-frequency applications (above 1 GHz), the…


Textbook

Step-up and Step-down Transformers

Step-up and Step-down Transformers

So far, we’ve observed simulations of transformers where the…


Textbook

Oscilloscope Trigger Controls

Oscilloscope Trigger Controls

A very useful tool for observing rotating objects is a strobe light.…


Worksheets - Digital ICs

Successive Approximation ADC

Successive Approximation ADC

One method of addressing the digital ramp ADC’s shortcomings is…


Textbook

Resistors Types

Resistors Types

These are the most common types of resistors available. Resistors…


Textbook

Intro Lab - Build an Electromagnet

Intro Lab - Build an Electromagnet

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.


Textbook

Mutual Inductance

Mutual Inductance

When an electric current is passed through a coil of wire, what…


Worksheets - Digital ICs

Specific Troubleshooting Techniques

Specific Troubleshooting Techniques

After applying some of the general troubleshooting tips to narrow the…


Textbook