A 28 nm 8.2-11.1 GHz Class-C Digitally Controlled Oscillator with 40 kHz Tuning Resolution

L Wang, J Bastl, T Lauber, K Vohl… - … on Circuits and …, 2024 - ieeexplore.ieee.org
This paper proposes a class-C digitally controlled oscillator (DCO) using constantly-
conducting NMOS biased switchable capacitor, aiming to optimize the off-state quality factor …

A 5.2 GHz Trifilar Transformer-Based Class-F23 Noise Circulating VCO with FoM of 192.6 dBc/Hz

H Cao, T Huang, X Liu, H Wang, J Jin… - 2023 IEEE Asian Solid …, 2023 - ieeexplore.ieee.org
With the development of wireless communication, high-speed data transmissions require a
pure local oscillation signal produced by a voltage-controlled oscillator (VCO). A variety of …

Ultra-Low Phase Noise DCO Design for Automotive Radar Applications Using Advanced CMOS Technologies

I Apostolina - 2024 - iris.unipv.it
In applications where precise frequency synthesis is crucial, such as generating carrier
signals for transmission systems, the issue of phase noise takes center stage in defining …

A 20-GHz Multi-Core Digitally Controlled Oscillator with-118 dBc/Hz Phase Noise at 1MHz Offset in 28nm CMOS

I Apostolina, D Manstretta - 2023 18th Conference on Ph. D …, 2023 - ieeexplore.ieee.org
This paper introduces a 20 GHz multi-core digitally controlled oscillator (DCO) designed for
high-speed and high-precision radar applications. The multi-core architecture provides …