A novel broadband power amplifier fabricated in 0.13 m SiGe HBT technology is realized.The pseudo-differential structure is proposed to avoid the influence of the bonding wire due to the AC virtual ground created at t...A novel broadband power amplifier fabricated in 0.13 m SiGe HBT technology is realized.The pseudo-differential structure is proposed to avoid the influence of the bonding wire due to the AC virtual ground created at the common emitter node.A compensated matching technique is adopted in interstage matching to expand bandwidth.A multi-stage broadband matching technique is used in an input/output matching network to offer broadband impedance matching,which ensures maximum power transfer.An adaptive bias circuit could improve linearity and efficiency in wide output power level.With 2.5 V power supply,the measured results achieve 96% 3-dB bandwidth（517-1470 MHz）,27.2 dB power gain,26.9 dBm maximum output power,19.7 dBm output 1 dB compression point,and 26.7% power added efficiency.展开更多
基于0.13μm CMOS工艺,设计了一种工作于K波段的低噪声放大器。输入匹配采用一种改良π型匹配网络,输出匹配采用L+π型匹配网络,避免了电容击穿的风险和源端大电感的引入。电路使用级间L型匹配的方式,利用第一级电路的输出寄生电容和第...基于0.13μm CMOS工艺,设计了一种工作于K波段的低噪声放大器。输入匹配采用一种改良π型匹配网络,输出匹配采用L+π型匹配网络,避免了电容击穿的风险和源端大电感的引入。电路使用级间L型匹配的方式,利用第一级电路的输出寄生电容和第二级电路的输入寄生电容,有效地提高了电路的增益,降低了噪声。仿真结果表明,该低噪声放大电路为单电源1.5 V供电,在27 GHz频率处的增益为27 d B,噪声系数为3.75 d B,输入回波损耗和输出回波损耗分别为-11.1 d B和-20.5 d B。展开更多
文摘A novel broadband power amplifier fabricated in 0.13 m SiGe HBT technology is realized.The pseudo-differential structure is proposed to avoid the influence of the bonding wire due to the AC virtual ground created at the common emitter node.A compensated matching technique is adopted in interstage matching to expand bandwidth.A multi-stage broadband matching technique is used in an input/output matching network to offer broadband impedance matching,which ensures maximum power transfer.An adaptive bias circuit could improve linearity and efficiency in wide output power level.With 2.5 V power supply,the measured results achieve 96% 3-dB bandwidth（517-1470 MHz）,27.2 dB power gain,26.9 dBm maximum output power,19.7 dBm output 1 dB compression point,and 26.7% power added efficiency.
文摘基于0.13μm CMOS工艺,设计了一种工作于K波段的低噪声放大器。输入匹配采用一种改良π型匹配网络,输出匹配采用L+π型匹配网络,避免了电容击穿的风险和源端大电感的引入。电路使用级间L型匹配的方式,利用第一级电路的输出寄生电容和第二级电路的输入寄生电容,有效地提高了电路的增益,降低了噪声。仿真结果表明,该低噪声放大电路为单电源1.5 V供电,在27 GHz频率处的增益为27 d B,噪声系数为3.75 d B,输入回波损耗和输出回波损耗分别为-11.1 d B和-20.5 d B。
