完全集成的30GHz 16-QAM单通道相控阵发射机，在6dB回退时EVM为5.9%

ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC) Pub Date : 2015-09-01 DOI:10.1109/ESSCIRC.2015.7313836

Ying Chen, Y. Pei, D. Leenaerts

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引用次数: 5

摘要

采用0.25-μm SiGe:C BiCMOS工艺，演示了一种完全集成的30GHz单通道相控阵发射机。集成涵盖基带I/Q调制到RF输出，包括一个具有超低相位噪声的40GHz锁相环。相位过采样矢量调制器实现了10°的相移分辨率和5位的幅度分辨率。CSP封装发射机在27.6~30.3GHz范围内提供10~13dBm的饱和输出功率。40GHz锁相环在100Hz至10MHz范围内的测量集成相位噪声为1.5°RMS，参考杂散< -70dBc。对于40mb /s的16-QAM调制，发射芯片在6dB回退时的EVM达到5.9%。该发射机适用于ka波段VSAT和回程点对点应用。

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A fully integrated 30GHz 16-QAM single-channel phased array transmitter with 5.9% EVM at 6dB back-off

A fully-integrated 30GHz single-channel phased array transmitter is demonstrated in a 0.25-μm SiGe:C BiCMOS process. The integration covers the baseband I/Q modulation up to the RF output, including a 40GHz PLL with an ultra-low phase noise. A phase shift resolution of 10° and an amplitude resolution of 5-bit are achieved with an LO phase-oversampling vector modulator. The CSP packaged transmitter delivers a saturation output power of 10~13dBm over 27.6~30.3GHz. The 40GHz PLL achieves a measured integrated phase noise of 1.5° RMS from 100Hz to 10MHz and has a reference spur <;-70dBc. The transmitter chip achieves an EVM of 5.9% at 6dB back-off for 40-Mb/s 16-QAM modulation. The proposed transmitter is suitable for Ka-band VSAT and back-haul point-to-point applications.

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ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC)

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