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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.

Design Project: Sensitive Audio Detector

Worksheets - Audio

The choice of step-down transformers to use in a project such as this…

Basic Electricity Worksheet

Worksheets - Audio

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

Design Project: Audio Power Amplifier

Worksheets - Audio

Explain how the microphone in your amplifier works. How, exactly, does…

Series-Parallel Combination AC Circuits

Worksheets - Audio

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

Design Project: Signal Generator

Worksheets - Audio

Explain the principle of operation for the particular integrated…

Sound Cancellation

Textbook

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

Passive Filter Circuits

Worksheets - Audio

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

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Sensitive Voltage Detector

Textbook

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

Four-Channel Audio Mixer

Worksheets - Audio

A very common misconception students have about potentiometers is the…

Practical Considerations - Transformers

Textbook

Power Capacity As has already been observed, transformers must be well…

Performance-Based Assessments for AC Circuit Competencies

Worksheets - Audio

(Template)

Waveform Analysis

Textbook

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Class B Audio Amplifier

Textbook

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

BJT Quirks

Textbook

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

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Audio

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

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Clipper and Clamper Circuits

Worksheets - Audio

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

Oscillator Circuits

Worksheets - Audio

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

Fundamentals of Radio Communication

Worksheets - Audio

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

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

AC Motor Theory

Worksheets - Audio

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

Autotransformers

Worksheets - Audio

How much voltage is there between the following pairs of points in…

Tube Parameters

Textbook

For bipolar junction transistors, the fundamental measure of…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

Networks and Busses

Textbook

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

Sum-of-Products and Product-of-Sums Expressions

Worksheets - Audio

Identify each of these logic gates by name, and complete their…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Pi Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.

Transistors, junction field-effect (JFET)

Textbook

Note that the direction of the arrow at the gate indicates the…

Design Project: LED Stroboscope

Worksheets - Audio

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

Basic Circuit Troubleshooting

Worksheets - Audio

Determine if the light bulb will de-energize for each of the following…

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…

Digital Memory Terms and Concepts

Textbook

When we store information in some kind of circuit or device, we not…

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Transformer—Power Supply

Textbook

PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

Noise Figure and Noise Temperature Calculator

Tools

This calculator computes the noise figure and noise temperature in a system

Multiplexers and Demultiplexers

Worksheets - Audio

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

Series and Parallel AC Circuits

Worksheets - Audio

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

Impedance Matching With Transformers

Worksheets - Audio

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

Networks and Busses

Textbook

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

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

Calculus for Electric Circuits

Worksheets - Audio

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Resistance, Reactance, and Impedance

Worksheets - Audio

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

Time Constant Circuits

Worksheets - Audio

Generally speaking, how many “time constants” worth of time does…

Inductance

Worksheets - Audio

∫f(x) dx Calculus alert! One of the fundamental principles of…

PWM Power Controller

Textbook

PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

Textbook

A serial-in, parallel-out shift register is similar to the serial-in,…

DC Metrology

Worksheets - Audio

Define the following metrological terms: • Uncertainty • Accuracy…

Node Voltage Method

Textbook

The node voltage method of analysis solves for unknown voltages at…

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law    …

Make Your Own Multimeter

Textbook

PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…