What I’d stumbled upon was a chopper amplifier, a slightly ungainly and long superseded solution to the problem of DC amplification from the days before ubiquitous integrated circuit op-amps.

Case and point, WiiM just came out with the new Vibelink Amp. This is a high-quality app that brings a bunch of bells and ...

The operational amplifier, or op amp, is one of the most basic building blocks used in analog circuits. Ever since single-chip op amps were introduced in the 1960s, thousands of different types ...

WiiM now sells the Vibelink Amplifier, its first standalone amp. It doesn't offer any Wi-Fi streaming or Bluetooth ...

The Wheatstone bridge is a ubiquitous circuit configuration that is useful in detecting small changes in resistance.