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1-PWM Mode

In partnership with Texas Instruments

This video is an overview of the new 1-PWM Mode for the DRV8305 Brushless DC Motor Driver

10kW 3-Phase 3-Level SiC Grid Tie Inverter Reference Design

In partnership with Texas Instruments

TI is unleashing the power of silicon carbide with a new, verified reference design that provides an…

Electrical Signal Types

Textbook

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

Digital Communication

Worksheets - Modules

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

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

Networks and Busses

Textbook

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

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

AC Instrumentation Transducers

Textbook

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

Phase-Locked Loops

Worksheets - Modules

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

Signal Modulation

Worksheets - Modules

A modern method of electrical power control involves inserting a…

Fundamentals of Radio Communication

Worksheets - Modules

What does the acronym RF stand form, in reference to radio-related…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Network Protocols

Textbook

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

Mixed-Frequency Signals

Worksheets - Modules

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Principles of Radio

Textbook

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

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Modules

What shape of voltage waveform would you expect to measure (using an…

Attenuators

Textbook

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

Friis Transmission Calculator

Tools

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

Pulse Width Modulation

Textbook

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

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

EIRP Calculator

Tools

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

Introduction to Digital Communication

Textbook

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

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) 6-volt…

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Magnetic Units of Measurement

Textbook

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

Reflection Attenuator Calculator

Tools

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

Pi Attenuator Calculator

Tools

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

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

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.

High-pass Filters

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Mutual Inductance

Worksheets - Modules

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

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Voltage and Current Calculations

Textbook

There’s a sure way to calculate any of the values in a reactive…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Balanced Attenuator Calculator

Tools

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

Harmonics in Polyphase Power Systems

Textbook

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

Polar Form and Rectangular Form Notation for Complex Numbers

Textbook

In order to work with complex numbers without drawing vectors, we…

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

Ohm’s Law - How Voltage, Current, and Resistance Relate

Textbook

The first, and perhaps most important, the relationship between…

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

Current Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Capacitor Charging and Discharging

Textbook

Capacitor Charging and Discharging Experiment Parts and Materials To…

A Very Simple Circuit

Textbook

Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…

Metric Prefixes and Unit Conversions

Textbook

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

Beam Power Tubes

Textbook

In the beam power tube, the basic four-element structure of the…

What are “Series” and “Parallel” Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Correct use of Ohm’s Law

Textbook

Reminders When Using Ohm’s Law One of the most common mistakes…

Design Project: Audio Media-Based Signal Generator

Worksheets - Modules

Identify some different ways you can create the sine-wave audio tracks…

Fundamentals of Radio Communication

Worksheets - Modules

What does the acronym RF stand form, in reference to radio-related…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…