A balanced CDMA2000 SiGe HBT load insensitive power amplifier

被引：15
|
作者：
Berretta, G [1 ]
Cristaudo, D [1 ]
Scaccianoce, S [1 ]
机构：
[1] STMicroelect, Stradale Primosole 50, I-95121 Catania, Italy
来源：
2006 IEEE RADIO AND WIRELESS SYMPOSIUM, PROCEEDINGS | 2006年
关键词：
ACPR; CDMA2000; HBT; linear; power amplifier; RF; SiGe; VSWR; balanced; coupler; quadrature;
D O I：
10.1109/RWS.2006.1615209
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A MMIC SiGe BET balanced power amplifier for CDMA2000 Is proposed. The PA delivers 28.5 dBin 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 dBin linear output power with a 1.5dB gain variation and a 15% current consumption increase. The PA has been realized by using a 0.25 mu m BiCMOS technology.
引用
收藏
页码：523 / 526
页数：4
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