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Design Method in Optimization Differential LCVCO w, H$ v. I* p7 ~
MAN J ia-han,ZHAOKun5 f- y; D+ p# S' s1 F( K, f
( Institute of Microelectronic of Chinese Academy of Sciences, Beijing 1 00 0 29 , China)
$ `, y: ]9 c( I) I& CAbstract:A n analysis of tw o fam ous oscillator phase- noise m odules derives the relations betw een phasen
: U; N+ L9 ^; m* foise and circuit param eters. A nd hen ce, a design strategy to optim ize the phase noise of V C O , such as
: e; U" L5 N: {2 ]2 l' F w' Y$ F# tdesigning high Q inductor, adjusting tail current and sizing the dim ensions of nM O S and pM O S, is presented.
! D# _2 N( l1 ^5 f. qA 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 result5 E% z' G# t/ k6 R9 F/ B: D
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% J+ \% F6 X- F6 a/ j7 L
m eth od is valid.7 ]% T) y( D. Y7 j( b
6 I( S7 L6 v7 H$ y& E
; Q. W& c% a/ d" ^' F2 M) ]
回覆後 可以下載PDF附件 權限10 & 3RDB8 ?: E0 @+ g1 ?
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2 B+ H) Y6 A) M/ T) R; |[ 本帖最後由 sjhor 於 2007-5-17 10:26 PM 編輯 ] |
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發表於 2007-5-17 22:22:27
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太棒了~~~現在亟需VCO資料