davetrouble
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Ken,
I have read through the Kundert paper (version 4i) with an eye to double check if quantities being used are single or double sided.
Sphi(f) seems to be chosen to be a single sided PSD (pg 14) L(f) seems to be chosen to be a SSB phase noise (pg14-15) For the phase domain model of the vco (pg8-9) it seems if the output phase is taken to have a single sided PSD then the input noise should also be taken to have a single sided PSD.
For the Abidi paper I have tried to do the same thing.
L(f) seems to be chosen to be a SSB phase noise (pg 1808). Sv(f) seems to be a single sided PSD but this leads to the 2 equations for L(f) to disagree as mentioned in the OP. Another problem is that even if I interpret it as a double sided PSD it only makes the discrepancy between the L(f) from the 2 methods even worse since Sds(f) = (1/2) * Sss(f).
Dave
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