差分LCVCO的設計方法[簡]

sjhor

Design Method in Optimization Differential LCVCO
8 Z; X0 A6 O! `7 u$ ]( AMAN J ia-han,ZHAOKun
( |9 Z1 _) H) R7 D6 k6 m& ~( Institute of Microelectronic of Chinese Academy of Sciences, Beijing 1 00 0 29 , China)
- ^5 M; t: i2 A- z# p5 JAbstract:A n analysis of tw o fam ous oscillator phase- noise m odules derives the relations betw een phasen
7 e) x! M, x# C) F, _+ t  Toise and circuit param eters. A nd hen ce, a design strategy to optim ize the phase noise of V C O , such as
- c1 r, G. R+ V" I7 `- X& tdesigning high Q inductor, adjusting tail current and sizing the dim ensions of nM O S and pM O S, is presented.
3 N; r5 \2 z" p" oA t the end of th is paper, a 2.4G H z fully integrated V C O design is m entioned. T he sim ulation result
describes that the phase noise of the V C O is - 120.4dB c/H z@ 600 kH z. T his result proves th at the
m eth od is valid.
/ ~1 {' p1 F# |5 L

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[ 本帖最後由 sjhor 於 2007-5-17 10:26 PM 編輯 ]