Categories

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Digital Communication

Worksheets - Transceivers

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

Phase-Locked Loops

Worksheets - Transceivers

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

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Mixed-Frequency Signals

Worksheets - Transceivers

What is a harmonic frequency? If an oscillator circuit outputs a…

Signal Modulation

Worksheets - Transceivers

A modern method of electrical power control involves inserting a…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Optical Data Communication

Textbook

A modern alternative to sending (binary) digital information via…

Passive Filter Circuits

Worksheets - Transceivers

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

Design Project: Radio Transmitter

Worksheets - Transceivers

Research the FCC (Federal Communication Commission) guidelines on…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Radar Maximum Range Calculator

Tools

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

Impedance Matching With Transformers

Worksheets - Transceivers

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Peak Detector

Textbook

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

Skin Depth Calculator

Tools

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

Band Theory of Solids

Textbook

Quantum physics describes the states of electrons in an atom according…

Network Protocols

Textbook

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

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

Mutual Inductance

Worksheets - Transceivers

When an electric current is passed through a coil of wire, what…

T-Pad Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Amplifier Gain

Textbook

The Voltage Gain Because amplifiers have the ability to increase the…

Electrical Noise and Interference

Worksheets - Transceivers

Define what noise means, in the electrical sense of the word. How does…

Finite State Machines

Textbook

Up to now, every circuit that was presented was a combinatorial…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

Low-pass Filters

Textbook

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

Network Topology

Textbook

Point-to-Point Connecting two digital devices with a network, would…

What is Network Analysis?

Textbook

The basic application of Ohm’s law to combinations of series and…

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.

EIRP Calculator

Tools

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

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

JFET Amplifiers

Worksheets - Transceivers

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

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Ammeter Design

Worksheets - Transceivers

What would happen to this meter movement, if connected directly to a…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Passive Filter Circuits

Worksheets - Transceivers

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

Peak Detector

Textbook

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

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Vectors and AC Waveforms

Textbook

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

Computational Circuits

Textbook

When someone mentions the word “computer,” a digital…

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Class A BJT Amplifiers

Worksheets - Transceivers

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

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Voltage, Current, and Resistance

Worksheets - Transceivers

Voltage is commonly defined as “electrical pressure.” The unit of…

Kirchhoff’s Current Law (KCL)

Textbook

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

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Digital Communication

Worksheets - Transceivers

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

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…