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A 50-Ohm Cable?

Textbook

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

Balanced Attenuator Calculator

Tools

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

EIRP Calculator

Tools

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

Digital Communication

Worksheets - Telecom

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

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.

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.

Passive Filter Circuits

Worksheets - Telecom

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

Friis Transmission Calculator

Tools

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

Radar Maximum Range Calculator

Tools

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

Design Project: Telegraph System

Worksheets - Telecom

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

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.

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.

TTL NOR and OR gates

Textbook

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

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Low-pass Filters

Textbook

By definition, a low-pass filter is a circuit offering easy passage to…

Common Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

The S-R Latch

Textbook

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

Si Lab - Commutating Diode

Textbook

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

Likely Failures in Proven Systems

Textbook

The following problems are arranged in order from most likely to least…

Energy, Work, and Power

Worksheets - Telecom

Define the following terms: energy, work, and power.

Passive Integrator and Differentiator Circuits

Worksheets - Telecom

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Symmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a symmetric stripline.

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Harmonics in Polyphase Power Systems

Textbook

In the chapter on mixed-frequency signals, we explored the concept of…

Design Project: Event Counter

Worksheets - Telecom

If your event sensing switch is mechanical in nature, you will likely…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

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.

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Summary of Filters

Textbook

As lengthy as this chapter has been up to this point, it only begins…

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

DC Lab - Potentiometric Voltmeter

Textbook

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.

Batteries

Worksheets - Telecom

If I wanted to build a battery-powered electric drill, would it be…

Special-purpose Diodes

Textbook

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

Phase-Locked Loops

Worksheets - Telecom

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

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Basic Circuit Troubleshooting

Worksheets - Telecom

Determine if the light bulb will de-energize for each of the following…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Minterm vs Maxterm Solution

Textbook

So far we have been finding Sum-Of-Product (SOP) solutions to logic…

Inductive Reactance

Worksheets - Telecom

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

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

Bipolar Junction Transistors in Active Mode

Worksheets - Telecom

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

Tube Lab - Vacuum Tube Audio Amplifier

Textbook

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.