A 0.018% THD+N, 88-dB PSRR PWM Class-D Amplifier for Direct Battery Hookup

A low-distortion third-order class-D amplifier that is fully integrated into a 0.18-μ m CMOS process was designed for direct battery hookup in a mobile application. A class-D amplifier for direct battery hookup must have a sufficiently high power supply rejection ratio (PSRR) in preparation for nois...

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Vydáno v:	IEEE journal of solid-state circuits Ročník 47; číslo 2; s. 454 - 463
Hlavní autoři:	Choi, Youngkil, Tak, Wonho, Yoon, Younghyun, Roh, Jeongjin, Kwon, Sunwoo, Koh, Jinseok
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.02.2012 Institute of Electrical and Electronics Engineers
Témata:	Amplifiers Applied sciences Batteries Circuit properties Class-D amplifier delta-sigma (\Delta\Sigma) modulation Design. Technologies. Operation analysis. Testing efficiency Electric, optical and optoelectronic circuits Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Frequency filters Generators Integrated circuits Mathematical model Noise power supply rejection ratio (PSRR) Pulse width modulation pulse-width modulation (PWM) Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Switches total harmonic distortion plus noise (THD+N) Performance evaluation Output power LC circuit Non linear filter Power supply total harmonic distortion plus noise (THD+N) Sigma-delta modulation Complementary MOS technology pulse-width modulation (PWM) Harmonic distortion Feedforward Rejection ratio Modulator efficiency Electronic filters Third order Printed circuit board Secondary cell Power electronics Amplifier Continuous time filters power supply rejection ratio (PSRR) Class-D amplifier High power Printed circuit Pulse duration modulation delta-sigma (ΔΣ) modulation Passive filter Power transmission line
ISSN:	0018-9200, 1558-173X
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