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3D time-of-flight sensor theory of operation

In partnership with Texas Instruments

Explore the theory of operation behind 3D time of flight sensors.

Achieve Precise Measurement for Smoke Detector Designs

In partnership with Texas Instruments

This video provides an introduction to the internal components of typical smoke detectors.

Vacuum Tube Audio Amplifier

Textbook

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

Four-Channel Audio Mixer

Worksheets - Audio

A very common misconception students have about potentiometers is the…

PC Oscilloscope

Textbook

PARTS AND MATERIALS IBM-compatible personal computer with sound card,…

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Sound Cancellation

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…

Sensitive Voltage Detector

Textbook

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

Class A BJT Amplifiers

Worksheets - Audio

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Audio

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Basic Electricity Worksheet

Worksheets - Audio

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

Active Filters

Worksheets - Audio

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

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

Introduction to Mixed-Frequency AC Signals

Textbook

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

Sensitive Audio Detector

Textbook

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

Standing Waves and Resonance

Textbook

Whenever there is a mismatch of impedance between transmission line…

Design Project: Signal Generator

Worksheets - Audio

Explain the principle of operation for the particular integrated…

Basic Troubleshooting Strategies

Worksheets - Audio

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

Multi-Stage Transistor Amplifiers

Worksheets - Audio

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

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Audio

(Template)

Design Project: Audio Media-Based Signal Generator

Worksheets - Audio

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

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Twisted-Pair Impedance Calculator

Tools

A tool designed to calculate the characteristic impedance of a twisted-pair cable

IGFET Quirks

Textbook

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

Boolean Rules for Simplification

Textbook

Boolean algebra finds its most practical use in the simplification of…

Advanced Electromagnetism and Electromagnetic Induction

Worksheets - Audio

∫f(x) dx Calculus alert! Electronic power conversion circuits known…

AC Instrumentation Transducers

Textbook

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

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Three-phase Power Systems

Textbook

What is Split-Phase Power Systems? Split-phase power systems achieve…

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

Sensitive Audio Detector

Textbook

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

Special-purpose Batteries

Textbook

Mercury Standard Cell Back in the early days of electrical measurement…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Audio

(Template)

Encoders and Decoders

Worksheets - Audio

What does it mean, in general terms, to encode something? Conversely,…

Electrons and “holes’’

Textbook

Pure semiconductors are relatively good insulators as compared with…

Peak, Average, and RMS Measurements

Worksheets - Audio

How is it possible to assign a fixed value of voltage or current (such…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

Impedance

Worksheets - Audio

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

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

Parallel Resistor-Capacitor Circuits

Textbook

Using the same value components in our series example circuit, we will…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

Setting Up a Home Lab

Textbook

In order to build the circuits described in this volume, you will need…

Active-mode Operation (BJT)

Textbook

When a transistor is in the fully-off state (like an open switch), it…

Clipper and Clamper Circuits

Worksheets - Audio

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

Linear Computational Circuitry

Worksheets - Audio

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

Counters

Worksheets - Audio

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

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Tracking ADC

Textbook

A third variation on the counter-DAC-based converter theme is, in my…

Design Project: DC Motor

Worksheets - Audio

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

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Universal Shift Registers: Parallel-in, Parallel-out

Textbook

The purpose of the parallel-in/ parallel-out shift register is to take…

Biasing Techniques (IGFET)

Textbook

Precise Diode Circuits

Worksheets - Audio

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

Rectifier Circuits

Worksheets - Audio

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

Circuits and the Speed of Light

Textbook

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

CMOS Gate Circuitry

Textbook

Up until this point, our analysis of transistor logic circuits has…

JFET Amplifiers

Worksheets - Audio

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