A voltage-controlled oscillator (VCO) with a central
frequency of 56 GHz and a 17% tuning range is presented. The
oscillation frequency is tuned both by an analog input and by a
3-bit digital control bus using the same type of differential varactors.
It achieves a record figure of merit, considering tuning range
of 186.8 dBc/Hz and is able to address the full wireless high-definition
multimedia interface band . The VCO is implemented in
a 65-nm bulk CMOS process and dissipates 15 mW from a 1.2-V
supply. Both fixed and parameterized electromagnetic models for
inductors, interconnection structures, and transmission lines have
been embedded in the classical design flow including layout verification
and extraction, resulting in a very high level of simulation
CitationGonzález, J. [et al.]. A 56-GHz LC-Tank VCO With 17% tuning range in 65-nm bulk CMOS for wireless HDMI. "IEEE transactions on microwave theory and techniques", 25 Març 2010, vol. 58, núm. 5, p. 1359-1366.
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