Comparative Analyses of Phase Noise in 28 nm CMOS LC Oscillator Circuit Topologies: Hartley, Colpitts, and Common-Source Cross-Coupled Differential Pair

Table 2

Flicker noise modeling.

Transistor	𝑘𝑓 (V^2 F)	𝑓1/𝑓 (MHz)	c
𝑀1	1.09×10^−22	1390	0.9
𝑀2	2.26×10^−23	870	0.9
𝑀3	1.88×10^−23	1100	0.93
𝑀4	1.25×10^−22	1430	0.9