We know way too little about this subject but hopefully [Bob4analog] helped us learn a little bit more this time around. He’s building his own linear amplifiers on what looks like sheets of MDF. This ...

Comprising the ZXCZM800 multi-channel digital modulator and the ZXCZA200 analog feedback processor, a digital amplifier chipset from Zetex Semiconductors has been introduced to create audio products ...

A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

Many of us will have found dusty forgotten pieces of electronics and nursed them back to health, but we were captivated by [Don]’s tale of electronic revival. Instead of perhaps a forgotten computer ...

Guerrilla RF has released the GRF5607 and GRF5608, the first in a new class of ½ W linear power amplifiers being developed by the company. These InGaP HBT amplifiers were designed specifically for 5G ...

This file type includes high-resolution graphics and schematics when applicable. Instrument amplifiers (INAs) are widely used for signal conditioning in data-acquisition systems and telemetry. Their ...

This article started because a good friend of mine dropped a Panasonic SA-XR50 switch-mode amplifier to me for some basic bench test. This article will NOT be a review of that unit, but an ...

Can a stripped down Linear Tube Audio MZ3 deliver the same experience for only $2,100? The LTA Velo makes it debut this weekend at CAF 2023. One of my favorite pieces of hi-fi gear in the entire world ...

Linear Tube Audio’s Century Monoblocks: hand-built ZOTL amps with Screen-Drive tubes, 110 W/8 Ω, low output impedance, and full balanced inputs. Just over the D.C. line, Linear Tube Audio handbuilds ...

Understanding the capabilities and differences of linear and pulse-width modulated (PWM) AC power sources is especially helpful when determining which models meet your requirements. And, the selection ...