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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…

Servo Motor Systems

Worksheets - Automotive

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

Series-Parallel DC Circuits

Worksheets - Automotive

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

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

AC Motor Control Circuits

Worksheets - Automotive

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Polyphase Motor Design

Textbook

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

Reluctance Motor

Textbook

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

Motor Control Circuits

Textbook

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Automotive

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

Resonance

Worksheets - Automotive

The Q factor of a series inductive circuit is given by the following…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

SPICE Models

Textbook

The SPICE circuit simulation program provides for modeling diodes in…

Induction Motor

Textbook

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

Electric Shock

Worksheets - Automotive

It is sometimes said regarding electrical safety that, Ït’s not the…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Automotive

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

AC Motor Theory

Worksheets - Automotive

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

DC Generator Theory

Worksheets - Automotive

Generators used in battery-charging systems must be regulated so as to…

Safety Grounding

Worksheets - Automotive

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Automotive

As an electric current is passed through a coil of wire, it creates a…

Single-phase Induction Motors

Textbook

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

Resistance, Reactance, and Impedance

Worksheets - Automotive

What will happen to the brightness of the light bulb as the iron core…

Static Electricity

Textbook

It was discovered centuries ago that certain types of materials would…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

Microstrip Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.

AC Metrology

Worksheets - Automotive

In power distribution systems, it is very important to be able to…

Transistor Ratings and Packages (IGFET)

Textbook

BJT Quirks

Textbook

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

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

Magnetism

Worksheets - Automotive

A permanent magnet is a device that retains a magnetic field without…

Open-Loop OpAmp Circuits

Worksheets - Automotive

Determine what the magnitude and polarity of the voltmeter’s…

Digital Ramp ADC

Textbook

Also known as the stairstep-ramp, or simply counter A/D converter,…

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Series-Parallel DC Circuits

Worksheets - Automotive

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

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.

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Design Project: DC Motor

Worksheets - Automotive

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

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

The J-K Flip-Flop

Textbook

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

Δ-Y and Y-Δ Conversions

Textbook

In many circuit applications, we encounter components connected…

Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

Performance-Based Assessments for Basic Electricity Competencies

Worksheets - Automotive

(Template)

DIP Gate Packaging

Textbook

Digital logic gate circuits are manufactured as integrated circuits:…

Power Conversion Circuits

Worksheets - Automotive

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

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Single-phase Induction Motors

Textbook

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

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

Bipolar Transistor Biasing Circuits

Worksheets - Automotive

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

Phasor Mathematics

Worksheets - Automotive

Provide a definition for phasor, as the term applies to electrical…

How to Use an Ammeter to Measure Current

Textbook

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

Contactors

Textbook

All About Contactors When a relay is used to switch a large amount of…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Active Loads in Amplifier Circuits

Worksheets - Automotive

We know that the current in a series circuit may be calculated with…

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Automotive

What do each of the oscilloscope axes represent, in real-life terms…

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…

JFET Current Regulator

Textbook

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