EDN

Class D Amplifier FAQ – Part 2: Zobel Circuits, Testing, PCB Layout & Grounding

A Zobel is an impedance matching circuit often used with loudspeakers. A Zobel circuit is also known as a Boucherot cell or somewhat incorrectly as an RC snubber. The nominal impedance of a ...
EDN

Active-filter circuit and oscilloscope inspect a Class D amplifier’s output

The increasing acceptance of Class D amplifiers has helped them gain market share from their linear Class AB brethren. That acceptance is no surprise; the advantages of Class D amplifiers are legion, ...
Electronics Weekly

700W/channel Class-D audio amp design with GaN output

EPC has used GaN transistors to create a high-power Class-D two-channel audio power amplifier design. Instantiated in evaluation kit EPC9192, it is capable of pushing 700W/channel into 4Ω (or 2Ω) or ...