All About Circuits

Latest FPGA Education

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Memory Devices

Memory Devices

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


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Programmable Logic Technology

Programmable Logic Technology

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


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Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


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Microprocessor Programming

Microprocessor Programming

The “vocabulary” of instructions which any particular…


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Microprocessor Programming

Microprocessor Programming

What is the difference between a JMP (“jump”) instruction and a…


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Digital Communication

Digital Communication

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


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Quantum Devices

Quantum Devices

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


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Finite State Machines

Finite State Machines

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


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Flash ADC

Flash ADC

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


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Semiconductor Devices in SPICE

Semiconductor Devices in SPICE

The SPICE (Simulation Program, Integrated Circuit Emphesis)…


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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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Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


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Negative Binary Numbers

Negative Binary Numbers

With addition being easily accomplished, we can perform the operation…


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Decoder

Decoder

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


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Look-up Tables

Look-up Tables

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


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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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Semiconductor Manufacturing Techniques

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


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Programmable Logic Technology

Programmable Logic Technology

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


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Binary Addition

Binary Addition

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


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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.


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Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


Tools

Binary Overflow

Binary Overflow

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


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Binary Subtraction

Binary Subtraction

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


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Binary Math Circuits

Binary Math Circuits

Add the following binary numbers:


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AC Phase

AC Phase

Things start to get complicated when we need to relate two or more AC…


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Microwave Tubes

Microwave Tubes

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


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Kirchhoff’s Current Law (KCL)

Kirchhoff’s Current Law (KCL)

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…


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Introduction to Boolean Algebra

Introduction to Boolean Algebra

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


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AC Generator Theory

AC Generator Theory

If an electric current is passed through this wire, which direction…


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Octal and Hexadecimal to Decimal Conversion

Octal and Hexadecimal to Decimal Conversion

Although the prime intent of octal and hexadecimal numeration systems…


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Multimeters

Multimeters

Seeing as how a common meter movement can be made to function as a…


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Ammeter Design

Ammeter Design

What would happen to this meter movement, if connected directly to a…


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Basic Voltmeter Use

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…


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Regulated Power Sources

Regulated Power Sources

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


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AC Motor Theory

AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…


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Applications of Resonance

Applications of Resonance

So far, the phenomenon of resonance appears to be a useless curiosity,…


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Si Lab - Simple Op Amp

Si Lab - Simple Op Amp

In this hands-on semiconductor electronics experiment, build a custom operational amplifier (op amp) and learn about the application of current mirrors and the use of negative feedback in op amp circuits.


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Linear Computational Circuitry

Linear Computational Circuitry

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


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Intro Lab - Electromagnetic Induction

Intro Lab - Electromagnetic Induction

In this hands-on electronics experiment, you will learn about electromagnetic induction using an electromagnet and a permanent magnet.


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DC Lab - Potato Battery

DC Lab - Potato Battery

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.


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History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


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Phasing

Phasing

Since transformers are essentially AC devices, we need to be aware of…


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Potential Pitfalls

Potential Pitfalls

Fallacious reasoning and poor interpersonal relations account for more…


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