20-GHz Quadrature Injection-Locked LC Dividers With Enhanced Locking Range

Takayuki Shibasaki,Hirotaka Tamura,Kouichi Kanda,Hisakatsu Yamaguchi,Junji Ogawa,Tadahiro Kuroda

IEEE Journal of Solid-State Circuits（2008）

引用 37|浏览9

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摘要

Quadrature injection-lockedLC dividers with either a Miller topology or an injection-lockedLC VCO topology are coupled with transconductors to enhance their locking range. The effect of the transconductance coupling is analyzed theoretically and through circuit simulation. Both topologies were fabricated by 90-nm CMOS technology with a target input center frequency of 20 GHz and output frequency o...

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关键词

Frequency conversion,Circuit topology,Voltage-controlled oscillators,Coupling circuits,Transconductance,CMOS technology,Energy consumption,Injection-locked oscillators,Clocks,Transceivers

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