A triple-coupled transformer tank enables inherent wideband third-harmonic expansion in a 21-24 GHz VCO, achieving 13.5% tuning range and -116.25 dBc/Hz phase noise in 65-nm CMOS post-layout simulations.
26.2 A 0.08mm2 25.5-to-29.9GHz Multi-Resonant-RLCM-Tank VCO Using a Single-Turn Multi-Tap Inductor and CM-Only Capacitors Achieving 191.6dBc/Hz FoM and 130kHz 1/f3 PN Corner
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A 21-24 GHz Low-Phase-Noise mmWave VCO with Third-Harmonic Expansion using a Triple-Coupled Transformer based Tank
A triple-coupled transformer tank enables inherent wideband third-harmonic expansion in a 21-24 GHz VCO, achieving 13.5% tuning range and -116.25 dBc/Hz phase noise in 65-nm CMOS post-layout simulations.