A 0.18/spl mu/m CMOS switched capacitor voltage modulator

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541638

Koen Cornelissens, P. Reynaert, M. Steyaert

引用次数: 1

Abstract

A voltage modulator using only switched capacitors is presented. Depending on the desired output voltage a combination of capacitances is connected to the output capacitance, to increase or decrease the output voltage. The circuit is capable of delivering output signals within a frequency range from DC up to 100 kHz, with all harmonic distortion components below 30 dB. Operating at a supply voltage of 1.8 V, it delivers a maximum output power of 32mW with an efficiency of 72%.

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一个0.18/spl mu/m CMOS开关电容电压调制器

介绍了一种仅使用开关电容的电压调制器。根据所需的输出电压，将一组电容连接到输出电容上，以增加或减少输出电压。该电路能够在直流到100 kHz的频率范围内提供输出信号，所有谐波失真分量低于30 dB。在1.8 V的电源电压下工作，其最大输出功率为32mW，效率为72%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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