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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…

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.

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.

Snell’s Law Calculator

Tools

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Passive Filter Circuits

Worksheets - Digital Communication

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

A 50-Ohm Cable?

Textbook

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

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.

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Design Project: Telegraph System

Worksheets - Digital Communication

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

EIRP Calculator

Tools

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

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.

Radar Maximum Range Calculator

Tools

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Digital Communication

Calculate the voltage output by the secondary winding of a transformer…

Time Constant Equations

Textbook

Value of time constant in series RC and RL circuits   Time…

Introduction to Solid-state Device Theory

Textbook

This chapter will cover the physics behind the operation of…

Ammeter Impact on Measured Circuit

Textbook

Just like voltmeters, ammeters tend to influence the amount of current…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

Early Tube History

Textbook

Thomas Edison, that prolific American inventor, is often credited with…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Analog Lab - Precision Voltage Follower Using an Op Amp

Textbook

In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.

Rules for Limits

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

AC Lab - Sensitive Voltage Detector with Audio Output

Textbook

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.

Active Loads in Amplifier Circuits

Worksheets - Digital Communication

We know that the current in a series circuit may be calculated with…

Pi Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.

Kirchhoff’s Voltage Law (KVL)

Textbook

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…

555 Timer Astable Oscillator Circuit

Tools

In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…