The literature on power amplifiers frequently discusses the importance of power-supply rejection in audio amplifiers, particularly in reference to its possible effects on distortion [4]! I have (I ...

However much care is taken, it is very difficult to keep all traces of transformer-induced hum out of the signal circuitry. It is highly irritating to find that despite the cunning use of low-noise ...

Power supply design is a broad field, requiring entirely different tools and techniques depending on what you’re working with. Creating a low-cost and compact mobile phone charger is a completely ...

We’ve analyzed inputs, signal processing, and clocks and used the analysis to put together a workable soundbar design (see http://electronicdesign.com/author/36602 ...

A relatively new technology called the pure digital or Class-D amplifier has been introduced into the audio world. The Class-D architecture allows the input audio signal to stay in its digital format ...

More often than not we see folks on our forums and other forum websites debating how powerful a particular amplifier or receiver is based upon a single test popularized by many print magazines and ...

Can a $159 linear power supply fix weak wall adapters and unlock better sound from your DAC or amp? FiiO thinks the DARKSIDE PRO can. FiiO isn’t just busy in 2026, it is borderline relentless. The ...