Categories

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Link Budget Calculator

Tools

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

Fundamentals of Radio Communication

Worksheets - Military/Aero/Space

What does the acronym RF stand form, in reference to radio-related…

Design Project: Radio Transmitter

Worksheets - Military/Aero/Space

Research the FCC (Federal Communication Commission) guidelines on…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…

High-Reliability Circuits

Worksheets - Military/Aero/Space

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

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Insulator Breakdown Voltage

Textbook

The atoms in insulating materials have very tightly-bound electrons,…

Characteristic Impedance

Textbook

The Parallel Wires of Infinite Length Suppose, though, that we had a…

Common Antiderivatives

Textbook

 

Design Project: Dual-output AC-DC Power Supply

Worksheets - Military/Aero/Space

Safety is very important when designing and/or building a device…

Introduction to Operational Amplifiers (Op-amps)

Textbook

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…

Table (landscape view)

Textbook

Periodic table of chemical elements.

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Bipolar Junction Transistor (BJT) theory

Worksheets - Military/Aero/Space

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

Phase-Locked Loops

Worksheets - Military/Aero/Space

This is a schematic for a simple VCO: The oscillator is of the RC…

Power Measurement

Textbook

Power measurement in AC circuits can be quite a bit more complex than…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Binary Subtraction

Textbook

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

The S-R Latch

Textbook

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

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

AC Negative Feedback OpAmp Circuits

Worksheets - Military/Aero/Space

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

Contact “Bounce”

Textbook

When a switch is actuated and contacts touch one another under the…

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Differential Amplifier

Textbook

PARTS AND MATERIALS Two 6-volt batteries Two NPN…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

VSWR / Return Loss Calculator

Tools

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

555 Monostable Multivibrator

Textbook

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

Clamper Circuits

Textbook

The circuits in the figure below are known as clampers or DC…

Universal Shift Registers: Parallel-in, Parallel-out

Textbook

The purpose of the parallel-in/ parallel-out shift register is to take…

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Integrated Circuits

Textbook

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

Design Project: Voltmeter

Worksheets - Military/Aero/Space

The most important component of your voltmeter will be the…

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

Basic Gate Function

Textbook

Parts and Materials 4011 quad NAND gate (Radio Shack catalog #…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Series DC Circuits Practice Worksheet with Answers

Worksheets - Military/Aero/Space

In this circuit, three resistors receive the same amount of current (4…

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Millman’s Theorem Revisited

Textbook

You may have wondered where we got that strange equation for the…

Parallel R, L, and C

Textbook

We can take the same components from the series circuit and rearrange…

Stripline Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline