Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

Pulse density modulation (PDM) is a compact digital audio format used in devices like MEMS microphones and embedded systems. This compact primer eases you into the essentials of PDM audio. Let’s begin ...

Pulse width modulation has been giving some users problems since the iPhone X. Fortunately, Apple is gearing up to tackle screen strobing issues with a new accessibility option. A new accessibility ...

Bluetooth device manufacturing involves ensuring the quality and performance of devices. One key test that’s used to verify the functionality of Bluetooth devices is the Bluetooth PCM lookback test, ...

Doing more with less in electronics often means improving power density. One of the new areas garnering attention involves applying a variety of advanced modulation techniques, including PWM and space ...

In a digital world, why bother with analog? Well, sometimes it can still be the right solution. Take, for instance, the analog multiplier (see figure). At its simplest, it’s a circuit that leverages ...

Communicating with someone thousands of miles away is now just a few keystrokes away, thanks to the internet and other forms of communication. Modern communication leverages a variety of wired and ...

Abstract: This paper focuses on the design and implementation of an Earth station transceiver system that employs an innovative approach combining subcarrier composite Pulse Code Modulation (PCM), ...