平衡cdma2000 SiGe HBT负载不敏感功率放大器

2006 IEEE Radio and Wireless Symposium Pub Date : 2006-04-10 DOI:10.1109/RWS.2006.1615209

G. Berretta, D. Cristaudo, S. Scaccianoce

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引用次数: 22

摘要

提出了一种用于cdma2000的MMIC SiGe HBT平衡功率放大器。该放大器提供28.5 dBm线性输出功率，相邻通道功率比ACPR低于-44 dBc, PAE为35%，增益为30 dB。由于采用了不使用隔离器的平衡方法，在4:1 VSWR负载不匹配的情况下，放大器可提供26 dBm线性输出功率，增益变化为1.5 dB，电流消耗增加15%。采用0.25 /spl mu/m的BiCMOS技术实现了PA。

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A balanced cdma2000 SiGe HBT load insensitive power amplifier

A MMIC SiGe HBT balanced power amplifier for cdma2000 is proposed. The PA delivers 28.5 dBm linear output power with an adjacent channel power ratio ACPR below -44 dBc, a PAE of 35% and a gain of 30 dB. Thanks to the balanced approach without the use of an isolator, the PA under a 4:1 VSWR load mismatch delivers 26 dBm linear output power with a 1.5 dB gain variation and a 15% current consumption increase. The PA has been realized by using a 0.25 /spl mu/m BiCMOS technology.

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2006 IEEE Radio and Wireless Symposium

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