A Robust 43 GHz VCO in Standard CMOS for OC-768 SONET Applications


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Wel, Arnoud P. van der and Gierkink, Sander L.J. and Frye, Robert C. and Bocuzzi, Vito and Nauta, Bram (2003) A Robust 43 GHz VCO in Standard CMOS for OC-768 SONET Applications. In: 29th European Solid-State Circuits Conference, ESSCIRC 2003, 16-18 September 2003, Estoril, Portugal (pp. pp. 345-348).

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Abstract:In this paper, we present a 43 GHz VCO in 0.13μm CMOS for use in SONET OC-768 optical networks. The design has a large tune range of 4.2%, which is sufficient to hold the design center frequency over anticipated process spread and temperature variation. A tuned output buffer is used to provide 1.3 Vp-p (single-ended) into a 90 fF capacitive load as is required when the VCO is used in typical clock and data recovery (CDR) circuits. Phase noise is -90 dBc/Hz at a 1 MHz offset from the carrier; this meets SONET jitter specifications. The VCO, including output buffers, consumes 14 mA from a 1 V supply and occupies 0.06 mm2 of die area.
Item Type:Conference or Workshop Item
Copyright:© 2003 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:
Link to this item:http://purl.utwente.nl/publications/45669
Official URL:http://dx.doi.org/10.1109/ESSCIRC.2003.1257143
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