As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to…
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to learn more about this important piece of equipment.
A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science…
A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science Fair electronic oscillator circuit with audio output.
This article, the second in a series on hysteresis, explains two types of hysteresis found in engineered systems.
This article, the second in a series on hysteresis, explains two types of hysteresis found in engineered systems.
This article explains how to use a histogram test with a sinusoidal input to determine analog-to-digital converter (ADC)…
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.
Histogram testing is the most popular method for determining analog-to-digital converter (ADC) static parameters. In this…
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.
In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a…
In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a modern, colorful output while also examining the circuit's operation.
Continuing our in-depth look at a simple SPICE circuit that can generate a negative supply voltage, we’ll consider the…
Continuing our in-depth look at a simple SPICE circuit that can generate a negative supply voltage, we’ll consider the effect of oscillator frequency on the system’s performance parameters.
Learn more about dithering, namely improving the spurious-free dynamic range (SFDR) of an analog-to-digital converter…
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.
Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in…
Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in analog-to-digital converters (ADCs).
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or…
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno.
Learn how dithering can suppress both harmonic and non-harmonic spurs and two different types of dithering systems:…
Learn how dithering can suppress both harmonic and non-harmonic spurs and two different types of dithering systems: subtractive and non-subtractive topologies.
Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an…
Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an Arduino-generated square wave oscillator.
Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by…
Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by eliminating quantization error and distortion.
Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits.…
Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits. This article covers the theory, design, and key features of analog square wave generators.
Learn about piezoelectric accelerometers with integrated electronics piezoelectrics (IEPEs), namely an IEPE's voltage…
Learn about piezoelectric accelerometers with integrated electronics piezoelectrics (IEPEs), namely an IEPE's voltage mode, charge mode, and dynamic range.
Learn why the drive level of your quartz crystal oscillator is important and several methods for how to measure it.
Learn why the drive level of your quartz crystal oscillator is important and several methods for how to measure it.
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative…
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative resistance” or “oscillation allowance”.
In this article, we’ll try to develop a deeper insight into the operation of a quartz crystal oscillator.
In this article, we’ll try to develop a deeper insight into the operation of a quartz crystal oscillator.
Learn about some of the most important characteristics of quartz crystal frequency deviations.
Learn about some of the most important characteristics of quartz crystal frequency deviations.
Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss…
Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.
Facebook
Google
GitHub
Linkedin