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3 Methods for Compensating Localized Heat Generation in Smart Thermostats

In partnership with Texas Instruments

This video goes through one of the most prominent issues with thermostat design, accounting for the…

3D Time of Flight: Understanding the system trade-offs

In partnership with Texas Instruments

Learn how design parameters impact system performance.

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Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

AC Motor Theory

Worksheets - Sensors

Electromechanical watt-hour meters use an aluminum disk that is spun…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Servo Motor Systems

Worksheets - Sensors

Explain the operation of this “H-bridge” motor control circuit: At…

Step-up, Step-down, and Isolation Transformers

Worksheets - Sensors

Calculate the voltage output by the secondary winding of a transformer…

Selsyn (Synchro) Motors

Textbook

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

Polyphase Motor Design

Textbook

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

Basic Troubleshooting Strategies

Worksheets - Sensors

A chandelier has five light bulbs in it, and one of them is not…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Linear Computational Circuitry

Worksheets - Sensors

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

Principles of Radio

Textbook

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Sensors

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

Design Project: DC Motor

Worksheets - Sensors

The armature windings of your DC motor will have very low resistance.…

DC Motor Control Circuits

Worksheets - Sensors

How is it possible to electrically measure the torque output by a…

Safety Grounding

Worksheets - Sensors

In simple AC power systems, one of the two conductors is typically…

Conventional Transistor Overview and Special Transistors

Worksheets - Sensors

A microcontroller is a specialized type of digital computer used to…

The Shockley Diode

Textbook

Our exploration of thyristors begins with a device called the…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

Connectors

Textbook

An electrical connector, is an electro-mechanical device used to join…

Contributors (4)

Textbook

Contributors to this chapter are listed in chronological order of…

Design Project: Dual-output AC-DC Power Supply

Worksheets - Sensors

Safety is very important when designing and/or building a device…

Sensitive Audio Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

BJT Quirks

Textbook

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

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

AC Motor Theory

Worksheets - Sensors

Electromechanical watt-hour meters use an aluminum disk that is spun…

IC Fabrication and Packaging

Worksheets - Sensors

What does it mean if an integrated circuit comes in DIP form? What…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

The Common-emitter Amplifier

Textbook

At the beginning of this chapter, it illustrates how transistors could…

Superposition Theorem

Textbook

Superposition theorem is one of those strokes of genius that takes a…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

R, L and C Summary

Textbook

With the notable exception of calculations for power (P), all AC…

Introduction to Discrete Semiconductor Circuits

Textbook

A semiconductor device is one made of silicon or any number of other…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Asynchronous Counters

Textbook

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