There was a time when only the richest ham radio operators could have a radio with a panadapter. Back in the day, this was ...

Photoshop cc 2015 tutorial showing possibly the best technique to retouch skin in a photo. “Frequency Separation” retains the skin’s texture, while it removes blotches and imperfections. The result is ...

High school trigonometry combined with four-quadrant multipliers can be exploited to yield sinusoidal frequency doublers. Nothing non-linear is involved, which means no possibly strident filtering ...

Audio frequency detection is the process of identifying the pitch or dominant frequency of a sound signal. Three common methods used are Fast Fourier Transform (FFT), AutoCorrelation, and ...

There are significantly different architectures for what are known as “atomic” clocks. Optically driven atomic clocks offer a new set of performance attributes. The optical atomic clocks use paired ...

Arduino Library for generating DVI output from HSTX enabled SparkFun RP2350 boards. The SparkFun Pico DVI library is used to generating DVI output via the Raspberry Pi RP2350 HSTX capability. Designed ...

Variable frequency drives (or VFDs) are widely used throughout industry to provide adjustable speed control of ac motors. Although modern versions are relatively simple to install and operate, VFDs ...

CUI Devices’ Audio Group announced the addition of tweeters to its speakers product portfolio. Ideal for high-frequency sound output, the CTW family of tweeters features resonant frequencies from 1300 ...

Abstract: This tutorial provides a brief introduction to the field of frequency synthesis. It starts with general definitions and requirements followed by a review of the main synthesizer ...