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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…

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…

Networks and Busses

Textbook

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

Other Diode Technologies

Textbook

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

Network Protocols

Textbook

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

Friis Transmission Calculator

Tools

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

Attenuators

Textbook

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

Pulse Width Modulation

Textbook

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

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Fundamentals of Radio Communication

Worksheets - Modules

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

Mixed-Frequency Signals

Worksheets - Modules

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

Selsyn (Synchro) Motors

Textbook

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

Electrical Signal Types

Textbook

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

Passive Filter Circuits

Worksheets - Modules

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Waveguides

Textbook

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

Digital Communication

Worksheets - Modules

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

AC Instrumentation Transducers

Textbook

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

Radio Circuits

Textbook

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

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

Worksheets - Modules

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Modules

When lightning strikes, nearby magnetic compass needles may be seen to…

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Op-Amp Practical Considerations

Textbook

Real operational amplifiers have some imperfections compared to an…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Network Topology

Textbook

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

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Principles of Radio

Textbook

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

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Radar Maximum Range Calculator

Tools

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

More on Spectrum Analysis

Textbook

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

Attenuators

Textbook

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

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Half-wave Rectifier

Textbook

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

Waveguides

Textbook

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

Reflection Attenuator Calculator

Tools

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

Fundamentals of Radio Communication

Worksheets - Modules

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

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Decibels

Textbook

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

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

Contributors (1)

Textbook

Contributors to this chapter are listed in chronological order of…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

The J-K Flip-Flop

Textbook

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

Parallel Batteries

Textbook

PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…

Pulse Width Modulation

Textbook

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

Counter Modulus

Textbook

Incomplete

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

Electrical Signal Types

Textbook

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

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Making a Venn Diagram Look Like a Karnaugh Map

Textbook

Starting with circle A in a rectangular A’ universe in figure…

Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

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…

The Triode

Textbook

De Forest’s Audion tube came to be known as the triode tube…

Field-effect-controlled Thyristors

Textbook

Two relatively recent technologies designed to reduce the…