Aleksandar Tasic Wouter A. Serdijn John R. Long Adaptivity figures of merit and K-rail diagrams - comprehensive performance characterization of low-noise amplifiers and voltage-controlled oscillators. 401-404 2003 ISCAS (1) http://dx.doi.org/10.1109/ISCAS.2003.1205585 db/conf/iscas/iscas2003-1.html#TasicSL03a