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Abstract:
针对传统的共基-共射(CB-CE)回转器有源电感的品质因子Q值低等缺点,应用Cascode结构把CB-CE有源电感改进为共基-共射-共基(CB-CE-CB)有源电感,推导出等效电路及等效阻抗表达式.最后基于Jazz 0.35 μm SiGe BiCMOS工艺,利用ADS软件完成电路设计与仿真,应用Cadence Virtuoso平台完成版图设计.改进之后的有源电感,通过改变外加偏置条件,实现了电感值和品质因子Q值的可调,电感值可调范围为0.35~2.72 nH,Q值最大值可达1 172,版图面积仅为51 μm ×35 μm.该有源电感应用于射频电路中,可取代无源电感.与无源电感相比,品质因子Q值明显提高,版图面积大大减小,更利于集成.
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半导体技术
ISSN: 1003-353X
Year: 2013
Issue: 2
Volume: 38
Page: 101-104
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 7
Chinese Cited Count:
30 Days PV: 10
Affiliated Colleges: