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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…

A 50-Ohm Cable?

Textbook

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

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…

Design Project: Telegraph System

Worksheets - Digital Communication

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

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

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.

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.

Radar Maximum Range Calculator

Tools

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

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.

Friis Transmission Calculator

Tools

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

Balanced Attenuator Calculator

Tools

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

EIRP Calculator

Tools

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

Nonlinear Conduction

Textbook

“Advances are made by answering questions. Discoveries are made…

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

Phase-Locked Loops

Worksheets - Digital Communication

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

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Introduction to Operational Amplifiers (Op-amps)

Textbook

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Read-Only Memory (ROM)

Textbook

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

555 Ramp Generator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 470 µF…

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

Basic Logic Gates

Worksheets - Digital Communication

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

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

AC phase

Worksheets - Digital Communication

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

What Are Electric Circuits?

Textbook

You might have been wondering how charges can continuously flow in a…

Rate-of-change Indicator

Textbook

PARTS AND MATERIALS Two 6 volt batteries Capacitor, 0.1 µF…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Design Project: Sensitive Audio Detector

Worksheets - Digital Communication

The choice of step-down transformers to use in a project such as this…

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide