With smart speakers being a relatively new class of consumer audio device with unique characteristics, testing the overall end-to-end performance of a smart speaker’s primary input and output audio paths can be quite challenging.
Smart speakers are a relatively new class of consumer audio device with unique characteristics that make testing/measuring their audio performance difficult. In this application note, we provide an overview of smart speaker acoustic measurements with a focus on frequency response - the most important objective measurement of a device’s audio quality.
Stricter guidelines imposed by version 3 of the IEC standard for harmonic current emissions push designers to embrace power-factor-correction methodologies.
The flyback topology is a versatile, widely used, switched-mode power-supply design with some interesting characteristics that brings performance and BOM advantages to many applications...
