IEEE-A 40-GHz Frequency Divider in 0.18um CMOS(Razavi2004)

semico_ljj

A 40-GHz Frequency Divider in 0.18um CMOS Technology

by
Jri Lee, Member, IEEE, and Behzad Razavi, Fellow, IEEE

Abstract
  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 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.

Index Terms
  Frequency dividers, Gilbert cell, inductive
peaking, Miller divider, regenerative dividers, RF mixers.

IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 39, NO. 4, APRIL 2004

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