电子器件Issue(2)：321-326,6.DOI:10.3969/j.issn.1005-9490.2015.02.019
一种输出匹配可调的、高线性度宽带功率放大器∗
A Tunable Output Matching and High Linearity Broadband Power Amplifier
摘要
Abstract
A broadband power amplifier( PA) was designed by adopting adaptive bias technique and active inductor. Adaptive bias technique effectively enhanced the power amplifier linearity by inhibiting DC operation point drifting of transistor. Active inductor participated in output matching realized output matching tuneability,this scheme could adjust output matching degradation due to process deviation and packaging parasitics. The PA was verified by simu-lation tool ADS. The results indicated the power amplifier had input 1 dB compression point(Pin1dB)of -7 dBm, output 1 dB compression point(Pout 1 dB)of 11 dBm at 4 GHz,and power added efficiency(PAE)of 8.7%. Over the frequency range of 3.1 GHz~4.8 GHz,the power amplifier showed a gain of 20.3 dB with the gain flatness of 1.1 dB,the input and output return loss are all less than -10 dB.关键词
功率放大器/线性度/输出匹配/自适应偏置/有源电感Key words
power amplifier/linearity/output matching/adaptive bias/active inductor分类
信息技术与安全科学引用本文复制引用
陈昌麟,张万荣,赵飞义,卓汇涵,白杨,江之韵,胡瑞心,陈亮..一种输出匹配可调的、高线性度宽带功率放大器∗[J].电子器件,2015,(2):321-326,6.基金项目
北京市自然科学基金项目(4142007) （4142007）
山东省高等学校科技计划项目( J13LN09) （ J13LN09）
