What are the differences in attached VCOs

[holddreams]

Questions about VCO

See the attachment.
My question is :

what's the advatage and disadvatage between (a) and (b)?

Thanks.

 

[fun.zhao]

Re: Questions about VCO

They have no difference

 

[holddreams]

Re: Questions about VCO

Then ,only the layout considerations left?

 

[bobxing]

Questions about VCO

no difference. 8 phases

 

[rambus_ddr]

Re: Questions about VCO

Both are the same circuit.

 

[angelina]

Questions about VCO

no difference