一种0.7-3GHz包络ΔΣ调制器，采用相位调制载波时钟，用于多模/频带开关放大器

2011 IEEE Radio Frequency Integrated Circuits Symposium Pub Date : 2011-06-05 DOI:10.1109/RFIC.2011.5940596

S. Hori, K. Kunihiro, Kiyohiko Takahashi, M. Fukaishi

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引用次数: 34

摘要

提出了一种采用相位调制载波时钟包络ΔΣ调制的1位射频调制器，用于多模/频带发射机。原型IC采用90 nm CMOS工艺设计，覆盖2.4 GHz ISM和3GPP频段，最高可达3ghz，符合IEEE 802.11g、W-CDMA和LTE的5mhz模式。1.95 GHz WCDMA功耗为8mw，占用0.044 mm2。

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A 0.7-3GHz envelope ΔΣ modulator using phase modulated carrier clock for multi-mode/band switching amplifiers

A 1-bit RF modulator using phase-modulated-carrier-clocking envelope ΔΣ modulation for a multi-mode/band transmitter is presented. The prototype IC designed in 90 nm CMOS process covers 2.4 GHz ISM and 3GPP frequency bands up to 3 GHz in conformity with IEEE 802.11g, W-CDMA and LTE in 5MHz-mode. The IC dissipates 8 mW for 1.95 GHz WCDMA and occupies 0.044 mm2.

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2011 IEEE Radio Frequency Integrated Circuits Symposium

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