A 40-GHz frequency divider in 0.18- mu m CMOS technology

A 40-GHz frequency divider in 0.18- mu m CMOS technology

An analysis of regenerative dividers predicts the required phase shift or selectivity for proper operation. A divider topology is introduced that employs resonance techniques by means of on-chip spiral inductors to tune out the device capacitances. Configured as two cascaded [divide]2 stages, the ci...

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Veröffentlicht in:IEEE journal of solid-state circuits 2004-04, Vol.39 (4)
Hauptverfasser: Lee, J, Razavi, B
Format: Artikel
Sprache:eng
Schlagworte:
Circuits
CMOS
Devices
Dividers
Frequency ranges
Inductors
Phase shift
Topology
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Beschreibung
Zusammenfassung:An analysis of regenerative dividers predicts the required phase shift or selectivity for proper operation. A divider topology is introduced that employs resonance techniques by means of on-chip spiral inductors to tune out the device capacitances. Configured as two cascaded [divide]2 stages, the circuit achieves a frequency range of 2.3 GHz at 40 GHz while consuming 31 mW from a 2.5-V supply.
ISSN:0018-9200
DOI:10.1109/JSSC.2004.825119