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

<table>PN at a 1 MHz frequency offset from carrier versus oscillation frequency for Colpitts, Hartley, and common-source cross-coupled differential pair topologies by SpectreRF.</table>

The Scientific World Journal

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Figure 11

Figure 11: Comparative Analyses of Phase Noise in 28 nm CMOS LC Oscillator Circuit Topologies: Hartley, Colpitts, and Common-Source Cross-Coupled Differential Pair 

Figure 11 | Comparative Analyses of Phase Noise in 28 nm CMOS LC Oscillator Circuit Topologies: Hartley, Colpitts, and Common-Source Cross-Coupled Differential Pair 