Categories

Bipolar Junction Transistors as Switches

Worksheets - Processors

Solid-state switching circuits usually keep their constituent…

Ring Counters

Textbook

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

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

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.

Networks and Busses

Textbook

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

The S-R Latch

Textbook

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

Shift Registers

Worksheets - Processors

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

Conventional Transistor Overview and Special Transistors

Worksheets - Processors

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

Historical, Nonmechanical Memory Technologies

Textbook

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

Microprocessors

Textbook

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

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

Textbook

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

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Introduction to Shift Registers

Textbook

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

Shift Registers: Serial-in, Serial-out

Textbook

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

The J-K Flip-Flop

Textbook

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

Tracking ADC

Textbook

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

Digital Logic Signals

Worksheets - Processors

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

Digital Communication

Worksheets - Processors

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

Boolean Algebra

Worksheets - Processors

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

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Flip-Flop Circuits

Worksheets - Processors

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

Larger 5 & 6-variable Karnaugh Maps

Textbook

Larger Karnaugh maps reduce larger logic designs. How large is large…

Synchronous Counters

Textbook

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

Introduction to Boolean Algebra

Textbook

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

Encoders and Decoders

Worksheets - Processors

What does it mean, in general terms, to encode something? Conversely,…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Logic Simplification With Karnaugh Maps

Textbook

The logic simplification examples that we have done so far could have…

Series-Parallel DC Circuits

Worksheets - Processors

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

Karnaugh Mapping

Worksheets - Processors

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

Networks and Busses

Textbook

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

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Minterm vs Maxterm Solution

Textbook

So far we have been finding Sum-Of-Product (SOP) solutions to logic…

Quantum Devices

Textbook

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

Peak, Average, and RMS Measurements

Worksheets - Processors

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

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Digital Lab - S-R Latch Using NOR Gates

Textbook

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.

The R/2R DAC (Digital-to-Analog Converter)

Textbook

The R/2R DAC circuit is an alternative to the binary-weighted-input…

Boolean Algebra

Worksheets - Processors

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

Ring Counters

Textbook

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

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

Electric Shock

Worksheets - Processors

It is sometimes said regarding electrical safety that, Ït’s not the…

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

DIY EE Lab - Setting Up a Home Electronics Lab

Textbook

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Analysis Options

Textbook

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…

Atomic Structure

Worksheets - Processors

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

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

Autotransformers

Worksheets - Processors

How much voltage is there between the following pairs of points in…

Basic Electromagnetic Relays

Worksheets - Processors

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

555 Lab - Advanced Red LED Flasher

Textbook

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.

Multiplexers and Demultiplexers

Worksheets - Processors

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

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

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

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Mixed-Frequency Signals

Worksheets - Processors

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

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…