A 90μW 12MHz Relaxation Oscillator with a -162dB FOM


Geraedts, P.F.J. and Tuijl, A.J.M. van and Klumperink, E.A.M. and Wienk, G.J.M. and Nauta, B. (2008) A 90μW 12MHz Relaxation Oscillator with a -162dB FOM. In: IEEE International Solid-State Circuits Conference, ISSCC 2008, 3-7 February 2008, San Francisco, CA, USA (pp. 348-349+618).

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Abstract:A relaxation oscillator exploits a noise filtering technique implemented with a switched-capacitor circuit to minimize phase noise. A 65nm CMOS design produces a sawtooth waveform, has a frequency tuning range of 1 to 12MHz and a constant frequency-tuning gain. By minimizing and balancing noise contributions from charge and discharge mechanisms, a FOM of -162dB is achieved, which is a 7dB improvement over state-of-the-art.
Item Type:Conference or Workshop Item
Copyright:© 2008 IEEE
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/64878
Official URL:https://doi.org/10.1109/ISSCC.2008.4523200
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