Low-voltage transformer-based CMOS VCOS and frequency dividers

Low-voltage transformer-based CMOS VCOS and frequency dividers

Transformer feedback and coupling have been recently proposed in realizing low-voltage CMOS voltage-controlled oscillators and frequency dividers with high performance in terms of high frequency, low power, low phase noise, and good figure of merits. This paper reviews reported transformer-feedback...

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Bibliographische Detailangaben
Hauptverfasser: Ng, A.W.L., Sujiang Rong, Hui Zheng, Luong, H.C.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Coupling circuits
Energy consumption
Feedback
Frequency conversion
Frequency synthesizers
Low voltage
Noise measurement
Phase noise
Radio frequency
Voltage-controlled oscillators
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Beschreibung
Zusammenfassung:Transformer feedback and coupling have been recently proposed in realizing low-voltage CMOS voltage-controlled oscillators and frequency dividers with high performance in terms of high frequency, low power, low phase noise, and good figure of merits. This paper reviews reported transformer-feedback and transformer-coupled circuit techniques and presents several designs with state-of-the-art measured performance as case studies. The key advantages as well as limitations of the techniques will also be summarized.
DOI:10.1109/VDAT.2009.5158115