Comparative Analyses of Phase Noise in 28 nm CMOS LC Oscillator Circuit Topologies: Hartley, Colpitts, and Common-Source Cross-Coupled Differential Pair
Figure 4
of the MOSFETs and of the LC tank versus phase for a 1 μA amplitude current impulse, for the oscillation frequency of 10 GHz: (a) Colpitts topology, (b) Hartley topology, and (c) common-source cross-coupled differential pair topology.
