Categories

Design Project: Stepper Motor Driver

Worksheets - Processors

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

Stepper Motors

Worksheets - Processors

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

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Digital Communication

Worksheets - Processors

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

Basic Electromagnetic Relays

Worksheets - Processors

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Boolean Algebra

Worksheets - Processors

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

The J-K Flip-Flop

Textbook

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

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

Counters

Worksheets - Processors

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

Microcontroller Principles

Worksheets - Processors

Read the following quotation, and then research the term…

CMOS Logic Gates

Worksheets - Processors

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

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Electromechanical Relay Logic

Worksheets - Processors

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

Finite-state Machine

Textbook

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

Introduction to Shift Registers

Textbook

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

Synchronous Counters

Textbook

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

Quantum Devices

Textbook

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

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Introduction to Digital Communication

Textbook

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

Quantum Devices

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

Light-Pulse Switch

Worksheets - Processors

It is fairly important to use large value resistors (10 MΩ works…

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Full-Adder

Textbook

The half-adder is extremely useful until you want to add more than one…

Basic Logic Gates

Worksheets - Processors

Identify the type of logic gate shown in this schematic diagram, and…

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

Textbook

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

Counters

Worksheets - Processors

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Integrated Circuits

Textbook

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

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Positive Feedback OpAmp Circuits

Worksheets - Processors

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

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

555 Timer Astable Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.

Digital Display Circuits

Worksheets - Processors

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Logic Signal Voltage Levels

Textbook

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

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Edge Coupled Microstrip Impedance Calculator

Tools

This tool helps calculate the impedance of an edge-coupled microstrip.

Metric Notation

Textbook

The metric system, besides being a collection of measurement units for…

Atomic Structure

Worksheets - Processors

Shown here is a simplified representation of an atom: the smallest…

Peak Detector

Textbook

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

Binary Math Circuits

Worksheets - Processors

Add the following binary numbers:

Basic Voltmeter Use

Worksheets - Processors

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

VSWR / Return Loss Calculator

Tools

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

Microprocessor Programming

Worksheets - Processors

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

Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for an inverting op-amp.

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Norton’s Theorem

Textbook

What is Norton’s Theorem? Norton’s Theorem states that it…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…

ElectroStatic Discharge

Textbook

At the start of this book, we discussed static electricity and how it…

Correct use of Ohm’s Law

Textbook

Reminders When Using Ohm’s Law One of the most common mistakes…

CMOS Gate Circuitry

Textbook

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

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Inductive Reactance

Worksheets - Processors

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