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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

A more connected and convenient vehicle

In partnership with Texas Instruments

Our advancements in body electronics, infotainment and telematics technologies have made vehicles…

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Static Electricity

Worksheets - Automotive

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Series-Parallel DC Circuits

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Simple Circuits

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Shown here is the schematic symbol for a resistor: What is the purpose…

Convert MCD to Lumens

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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

AC phase

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Rectifier Circuits

Worksheets - Automotive

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

Thyristor Application Circuits

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Current Divider Circuits

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CMOS 555 Long Duration Blue LED Flasher

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PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Design Project: LED Stroboscope

Worksheets - Automotive

A technician uses a stroboscope to “freeze” the rotation of a…

Thyristors

Worksheets - Automotive

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Switches

Worksheets - Automotive

What is the purpose of the switch shown in this schematic diagram?

Circuits and the Speed of Light

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Suppose we had a simple one-battery, one-lamp circuit controlled by a…

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.

Digital Display Circuits

Worksheets - Automotive

What is the purpose of a seven-segment decoder circuit? What is a…

Light-Pulse Switch

Worksheets - Automotive

It is fairly important to use large value resistors (10 MΩ works…

AC Motor Theory

Worksheets - Automotive

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Parallel Wire Inductance Calculator

Tools

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

Common Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…

The Common-gate Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Impedance Matching With Transformers

Worksheets - Automotive

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

Half-wave Rectifier

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

The Common-drain Amplifier (IGFET)

Textbook

Bridged-Tee Attenuator Calculator

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

Gate Universality

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NAND and NOR gates possess a special property: they are universal.…

Switches, Process Actuated

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It is very important to keep in mind that the “normal”…

Practical Considerations - Batteries

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When connecting batteries together to form larger “banks”…

Design Project: Event Counter

Worksheets - Automotive

If your event sensing switch is mechanical in nature, you will likely…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

The Unijunction Transistor (UJT)

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Unijunction transistor: Although a unijunction transistor is not a…

TTL NAND and AND gates

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Suppose we altered our basic open-collector inverter circuit, adding a…

Wiring Color Codes Infographic

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Wiring Color Codes Infographic. Released under the Creative Commons…

Overcurrent Protection

Worksheets - Automotive

What hazards might be posed by a circuit with excessive current going…

Microstrip Impedance Calculator

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This calculator helps you compute the characteristic impedance of a microstrip.

Ohm’s Law

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Behaviors of Inductors wrapped around a Conductive Core Suppose we…