liushangpiao
Joined: 27 Mar 2008
Posts: 17
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 03 Oct 2008 15:29 VCO problem!! |
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Hi.all.
I am designing a ring VCO ( 3 invertors ) with cascode biasing.
I get the work frequency Fo=Ibias/(k*Vpp),k is a constant,Vpp is the output swing.Obviously ,the Fo relates to the Vpp,then I think in this case the amplitude modulation (also say AM-FM) is introduced,which will influence the performance of VCO(such as jitter, noise and so on)/.
So what should be considered when it is realized.
I am confused with it ,
Any reply is highly appreciated. 
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