用于毫米波功率放大器的SiGe技术8路组合变压器的整体设计

2013 IEEE 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems Pub Date : 1900-01-01 DOI:10.1109/SIRF.2013.6489436

M. Thian, M. Tiebout, V. Fusco

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引用次数: 6

摘要

介绍了一种用于毫米波功率放大器的新型8路功率组合变压器的设计。该组合器在83.5 GHz时具有创纪录的低插入损耗，仅为1.25 dB。采用SiGe技术设计并实现了由功率分配器、两级级联放大器阵列、功率合成器和输入输出匹配元件组成的完整电路。从76.4 GHz到85.3 GHz的测量增益至少为16.8 dB，在83 GHz的峰值为19.5 dB。在78 GHz的3.2 V直流电源电压下，样机提供12.5 dBm OP-1dB和14 dBm饱和输出功率。

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Holistic design of 8-way combining transformers in SiGe technology for use in millimetre-wave power amplifiers

This paper presents the design of a novel 8-way power-combining transformer for use in mm-wave power amplifier (PA). The combiner exhibits a record low insertion loss of 1.25 dB at 83.5 GHz. A complete circuit comprised of a power splitter, two-stage cascode PA array, a power combiner and input/output matching elements was designed and realized in SiGe technology. Measured gain of at least 16.8 dB was obtained from 76.4 GHz to 85.3 GHz with a peak 19.5 dB at 83 GHz. The prototype delivered 12.5 dBm OP-1dB and 14 dBm saturated output power when operated from a 3.2 V DC supply voltage at 78 GHz.

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2013 IEEE 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems

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