Categories

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

Digital Communication

Worksheets - Telecom

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

EIRP Calculator

Tools

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

Passive Filter Circuits

Worksheets - Telecom

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

Design Project: Telegraph System

Worksheets - Telecom

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

Friis Transmission Calculator

Tools

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

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.

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

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.

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.

A 50-Ohm Cable?

Textbook

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

Vectors and AC Waveforms

Textbook

OK, so how exactly can we represent AC quantities of voltage or…

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.

Multi-Stage Transistor Amplifiers

Worksheets - Telecom

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

Multiplexers and Demultiplexers

Worksheets - Telecom

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

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.

Don’t Care Cells in the Karnaugh Map

Textbook

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

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Single-phase Power Systems

Textbook

Single phase power system schematic diagram shows little about the…

Voltmeter Design

Worksheets - Telecom

Suppose I were about to measure an unknown voltage with a manual-range…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…

Asynchronous Counters

Textbook

In the previous section, we saw a circuit using one J-K flip-flop that…

Definite Integrals and the Fundamental Theorem of Calculus

Textbook

        RELATED WORKSHEET: Calculus for Electric…

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Telecom

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Kirchhoff’s Current Law (KCL)

Textbook

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

High-Reliability Circuits

Worksheets - Telecom

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

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Class A BJT Amplifiers

Worksheets - Telecom

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

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

Textbook

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

High-pass Filters

Textbook

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

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Node Voltage Method

Textbook

The node voltage method of DC network analysis solves for unknown…

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law    …

Balanced Attenuator Calculator

Tools

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

Safe Circuit Design

Textbook

As we saw earlier, a power system with no secure connection to earth…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Optoelectronic Devices

Worksheets - Telecom

In this circuit, the electric motor is supposed to turn on whenever…

The J-K Flip-Flop

Textbook

Another variation on a theme of bistable multivibrators is the J-K…

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

Pi-Match Impedance Matching Calculator

Tools

This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit

Magnetic Units of Measurement

Textbook

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