This paper introduces various open-loop and closed-loop switching amplifiers and then reviews merits and demerits when they are applied to consumer electronic products. Audio specifications in products that open-loop and closed-loop switching amplifiers are adopted to are measured and analyzed whether they have weak points. After that, the paper proposes a simple and effective method for the error control. The proposed method has the outstanding audio performance in consumer electronics products.

Authors: Lee, Jae Cheol; Park, Haekwang; Lim, Donghyun; Lee, Joonhyun; Kim, Yongserk
Affiliation: Acoustic Technology Center, Digital Media & Communications R&D Center, Samsung Electronics Co., Ltd.
AES Convention: 127 (October 2009) Paper Number: 7906
Publication Date: October 1, 2009
Subject: Transducers Manufacturing and Equipment

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