一个全数字pwm为基础的1至3 GHz多标准发射机在40纳米CMOS

2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) Pub Date : 2013-06-02 DOI:10.1109/RFIC.2013.6569620

Pieter A. J. Nuyts, P. Reynaert, W. Dehaene

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引用次数: 24

摘要

提出了一种全数字1 ~ 3ghz多模发射机，它包含两个射频调制器:一个使用基带(BB) PWM，而另一个使用射频PWM。RF PWM产生更少的谐波，而BB PWM具有更高的动态范围(DR)并且消耗更少的功率。BB型PWM系统在整个频率范围内满足WLAN的EVM限制。射频脉宽调制系统达到足够的EVM标准，如EDGE和WCDMA。两个系统都支持使用多电平PWM来扩展DR。

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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A fully digital PWM-based 1 to 3 GHz multistandard transmitter in 40-nm CMOS

A fully digital 1 to 3 GHz multimode transmitter is presented which contains two RF modulators: One uses baseband (BB) PWM, while the other uses RF PWM. RF PWM produces less harmonics, while BB PWM has a higher dynamic range (DR) and consumes less power. The BB PWM system satisfies the WLAN EVM limit over the whole frequency range. The RF PWM system achieves sufficient EVM for standards such as EDGE and WCDMA. Both systems support the use of multiple PAs to extend the DR using multilevel PWM.

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2013 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

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