Categories

A 50-Ohm Cable?

Textbook

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

Friis Transmission Calculator

Tools

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

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.

A 50-Ohm Cable?

Textbook

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

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.

Radar Maximum Range Calculator

Tools

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

EIRP Calculator

Tools

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

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.

Digital Communication

Worksheets - Modulation

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

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 - Modulation

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

Design Project: Telegraph System

Worksheets - Modulation

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

Balanced Attenuator Calculator

Tools

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

TTL NOR and OR gates

Textbook

TTL Circuit Analysis Let’s examine the following TTL circuit and…

AC phase

Worksheets - Modulation

If we were to express the series-connected DC voltages as phasors…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Some Examples with AC Circuits

Textbook

Let’s connect three AC voltage sources in series and use complex…

Millman’s Theorem Revisited

Textbook

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

Impedance

Worksheets - Modulation

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

Peak Detector

Textbook

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

The DIAC

Textbook

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

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Performance-Based Assessments for Basic Electricity Competencies

Worksheets - Modulation

(Template)

Control Circuits

Textbook

Microphones

Worksheets - Modulation

Explain how a moving-coil, or dynamic microphone works. Identify how…

Kelvin (4-wire) Resistance Measurement

Textbook

Suppose we wished to measure the resistance of some component located…

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Basic Logic Gates

Worksheets - Modulation

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

Thyristors

Worksheets - Modulation

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

Tachogenerators

Textbook

An electromechanical generator is a device capable of producing…

Potentiometers

Worksheets - Modulation

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