A High-Performance Fast Switching Charge Dump Assisted Class- K^ Audio Amplifier

A new Class- K* audio amplifier with high-power efficiency and high fidelity is integrated in a 0.35-μm CMOS process. It proposes a new topology connected Class-D amplifier with fast-switching charge-dump (FSCD) amplifier in parallel. The integration of the amplifier requires neither analog buffer a...

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Bibliographic Details
Published in:	IEEE transactions on circuits and systems. I, Regular papers Vol. 57; no. 6; pp. 1122 - 1133
Main Authors:	Kwang-Chan Lee, Chang-Seok Chae, Jin-Yong Jeon, Kang-Ho Lee, Gyu-Hyeong Cho
Format:	Journal Article
Language:	English
Published:	IEEE 01.06.2010
Subjects:	Audio amplifier Bandwidth Circuit topology Class-AB Class-D Class-K CMOS process efficiency fidelity Frequency response High power amplifiers Linearity Operational amplifiers Power capacitors Pulse-Width-Modulation (PWM) Switches Total harmonic distortion total harmonic distortion (THD) and CMOS
ISSN:	1549-8328, 1558-0806
Online Access:	Get full text
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