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ADC Linearity Testing: the Sinusoidal Histogram Method

This article explains how to use a histogram test with a sinusoidal input to determine analog-to-digital converter (ADC) parameters, along with the advantages of doing so.

October 20, 2023 by Dr. Steve Arar

Histogram ADC Testing: The Linear Ramp Histogram Test

Histogram testing is the most popular method for determining analog-to-digital converter (ADC) static parameters. In this article, learn the basics of histogram testing and the specifics of how to use a linear ramp histogram test.

October 15, 2023 by Dr. Steve Arar

Improving ADC SFDR Using Dithering for Communication System Applications

Learn more about dithering, namely improving the spurious-free dynamic range (SFDR) of an analog-to-digital converter (ADC) that exhibits differential nonlinearity (DNL) errors.

May 21, 2023 by Dr. Steve Arar

Test and Measurement (T&M) Equipment You’ll Need for a Home Laboratory

For some of us, at-home work may be an extended reality beyond 2020. You’ll need the proper tools to accomplish your goals.

February 07, 2021 by Mark Hughes

Understanding Digital Oscilloscope Sample Rate and Analog Bandwidth Specs

In this article, we’ll examine two important specifications of a digital oscilloscope: analog bandwidth and sampling rate.

March 24, 2020 by Dr. Steve Arar

Using LTSpice for Amplifier Noise Measurement

Learn how to measure noise using LTspice for op-amp circuits with handy examples.

June 30, 2019 by Stephen Colley

How Do Time of Flight Sensors (ToF) Work? A Look at ToF 3D Cameras

How do time of flight sensors determine distances? Learn more about ToF cameras using an example 3D camera.

May 08, 2019 by Mark Hughes

Understanding ASCII in Embedded Firmware Development

This article, which serves as preparation for a discussion of C-language strings, introduces the concept of ASCII characters and explains two benefits of ASCII-based coding techniques.

February 15, 2019 by Robert Keim

Wireless RF Energy Harvesting: RF-to-DC Conversion and a Look at Powercast Hardware

This article looks at the technology and the sample kits that Powercast provides users who want to learn more about the technology.

August 03, 2018 by Mark Hughes

Troubleshooting Tools for Your Next Bluetooth LE Project: Ubertooth and the Nordic nRF Sniffer

Bluetooth LE was designed with the IoT in mind. Here are some options for troubleshooting your next Bluetooth LE project.

July 14, 2017 by Mark Hughes

Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal.

February 20, 2017 by David Williams

Many Functions, One Tool: The Analog Discovery 2 from Digilent

An introduction to the Analog Discovery 2 by Digilent.

October 06, 2016 by Robin Mitchell

Embedded PID Temperature Control, Part 3: Implementation and Visualization

We will implement a basic PID (proportional–integral–derivative) controller in firmware and observe the results using an oscope and LEDs.

February 15, 2016 by Robert Keim

Negative Feedback, Part 10: Stability in the Time Domain

The transient response of a negative-feedback amplifier can help us to understand the nature of stability and convey useful information about the stability characteristics of a particular circuit.

December 13, 2015 by Robert Keim

Design a Luxmeter Using a Light Dependent Resistor

Take a few minutes to characterize a light dependent resistor (LDR) and you can build a simple and reasonably accurate light meter can be built using an LDR and an Arduino.

December 13, 2015 by David Williams

Build an Arduino-LabVIEW Analog Voltmeter

This project will show how to build a basic analog voltmeter using an Arduino Uno, LabVIEW software, and littleBits electronics modules.

October 19, 2015 by Don Wilcher