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This paper presents a novel Figure of Merit (FOM), low-phase-noise, LC-tank voltage-controlled oscillator (VCO). The work presents a fully integrated 6.72GHz VCO designed and simulated using 130-nm CMOS technology. Instead of using the conventional diode-based varactor in the tank design, a high-performance metal-oxide-metal (MOM) capacitor is employed as an effective varactor. The proposed VCO-measured...
A 34-40 GHz VCO fabricated in 65 nm digital CMOS technology is demonstrated in this paper. The VCO uses a combination of switched capacitors and varactors for tuning and has a maximum Kvco of 240 MHz/V. It exhibits a phase noise of better than -98 dBc/Hz @ 1-MHz offset across the band while consuming 12 mA from a 1.2-V supply, an FOMT of -182.1 dBc/Hz. A cascode buffer following the VCO consumes 11...
A bulk-acoustic wave (BAW)-tuned quadrature voltage-controlled oscillator (BQVCO) designed in 0.13 mum CMOS is presented. The BQVCO operates at 2.1 GHz, with a power consumption of 600 muW at a 1 V supply. The oscillator achieves a phase noise of -143.5 dBc/Hz at 1 MHz offset with a figure of merit (FOM) of 212.1 dB. A new time-varying source degeneration coupling mechanism has been used to quadrature-couple...
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