Categories

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Digital Communication

Worksheets - Digital Communication

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

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Radar Maximum Range Calculator

Tools

This tool is designed to calculate the maximum distance (range) that a radar can detect

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Digital Communication

Worksheets - Digital Communication

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

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Design Project: Telegraph System

Worksheets - Digital Communication

What voltage will you choose to use for each of the station batteries?

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.

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Q Factor and Bandwidth of a Resonant Circuit

Textbook

The Q, or quality, factor of a resonant circuit is a measure of the…

Passive Filter Circuits

Worksheets - Digital Communication

In very simple, qualitative terms, rate the impedance of capacitors…

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Link Budget Calculator

Tools

This tool is designed to calculate the power at the receiver using link budget analysis.

Digital Logic With Feedback

Textbook

With simple gate and combinational logic circuits, there is a definite…

Analog-to-Digital Conversion

Worksheets - Digital Communication

The circuit shown here is a four-bit analog-to-digital converter…

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

Node Voltage Method

Textbook

The node voltage method of analysis solves for unknown voltages at…

555 Monostable Multivibrator

Textbook

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

Design Project: Audio Media-Based Signal Generator

Worksheets - Digital Communication

Identify some different ways you can create the sine-wave audio tracks…

Circuit Wiring

Textbook

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

Introduction to SPICE

Textbook

The DIAC

Textbook

Like all diodes, Shockley diodes are unidirectional devices; that is,…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Metric Notation

Textbook

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

Series and Parallel AC Circuits

Worksheets - Digital Communication

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

Networks and Busses

Textbook

This collection of wires that I keep referring to between the tank…

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

Power Supply Circuits

Textbook

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

The Tetrode

Textbook

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

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Characteristic Impedance

Worksheets - Digital Communication

Note the “50 ohm” rating printed on the jacket of the cable. What…

Sensitive Voltage Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio headphones…