Categories

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Computer Simulation of Electric Circuits

Textbook

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

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

PC Oscilloscope

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

Networks and Busses

Textbook

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

A Very Simple Computer

Textbook

PARTS AND MATERIALS Three batteries, each one with a different voltage…

Musical Keyboard as a Signal Generator

Textbook

PARTS AND MATERIALS Electronic “keyboard” (musical)…

Waveform Analysis

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Digital Communication

Worksheets - CPUs

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

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Ammeter Design

Textbook

Ammeters Measure Electrical Current A meter designed to measure…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Wire Types and Sizes

Worksheets - CPUs

Most electrical wire is covered in a rubber or plastic coating called…

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Diodes

Textbook

A diode is an electronics component made from a combination of a…

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

555 Timer Astable Circuit

Tools

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

Make Your Own Multimeter

Textbook

PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…

Minterm vs Maxterm Solution

Textbook

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

Inductors and Calculus

Textbook

Inductors do not have a stable “resistance” as conductors…

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

Antenna Downtilt and Coverage Calculator

Tools

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

Common-Emitter Amplifier

Textbook

PARTS AND MATERIALS One NPN transistor—model 2N2222 or 2N3403…

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Encoder

Textbook

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

Optoelectronic Devices

Worksheets - CPUs

In this circuit, the electric motor is supposed to turn on whenever…