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引用次数: 0
摘要
考虑作为电源线驱动器的自振荡功率放大器的结构。采用d类功率放大器对自振荡功率放大器进行改进。传统的d类开关功率放大器易受失真限制。由于自振荡的非线性连续时间性质，它具有特殊的性质，使其能够构建高度线性，高效率的线驱动器。在效率高达53%的论文中，SFDR和THD分别为53.6 dB和52.8 dB。该电路的原型已在0.35 μ m CMOS工艺中制作完成。
A high-efficiency self-oscillating Class D amplifier in 0.35-um CMOS
Consider the structure of a self-oscillation power amplifier as a power line driver. Self-oscillation power amplifier was improved by the Class-D power amplifier. The traditional Class-D switching power amplifier is vulnerable to distortion limitation. Due to the non-linear continuous time nature of the self-oscillation, it possesses peculiar properties that enable the construction of a highly linear, high-efficiency line driver. In the thesis which has efficiency up to 53%, SFDR and THD are 53.6 dB and 52.8 dB respectively. A prototype has been fabricated in a 0.35-um CMOS process to the proposed circuit.
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