Analysis and Implementation of an Ultra-Wide Tuning Range CMOS Ring-VCO With Inductor Peaking

Analysis and Implementation of an Ultra-Wide Tuning Range CMOS Ring-VCO With Inductor Peaking

A novel ring voltage controlled oscillator (VCO) topology is proposed which uses monolithic inductors as a peaking load. Four design examples have been fabricated and tested to verify the proposed circuit structure. The highest measured oscillation frequency is 25.07 GHz, with a tuning range of more...

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Veröffentlicht in:IEEE microwave and wireless components letters 2017-01, Vol.27 (1), p.49-51
Hauptverfasser: Ke Li, Meng, Fanfan, Thomson, Dave J., Wilson, Peter, Reed, Graham T.
Format: Artikel
Sprache:eng
Schlagworte:
Circuit design
CMOS
Delay cell
Figure of merit
Frequency measurement
inductor peaking
Inductors
Octaves
Phase noise
ring oscillator
Silicon
Tuning
VCO
Voltage controlled oscillators
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Beschreibung
Zusammenfassung:A novel ring voltage controlled oscillator (VCO) topology is proposed which uses monolithic inductors as a peaking load. Four design examples have been fabricated and tested to verify the proposed circuit structure. The highest measured oscillation frequency is 25.07 GHz, with a tuning range of more than four octaves, and the active area is 0.0085 mm 2 . The design has the highest combined frequency and tuning range with the best figure of merit (≈ 195) comparable to previously published work.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2016.2629968