CMOS digital controlled oscillator with embedded DiCAD resonator for 58-64ghz linear frequency tuning and low phase noise

Tim LaRocca; Jenny Liu; Frank Wang; Dave Murphy; Frank Chang

doi:10.1109/MWSYM.2009.5165789

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Conference paper

CMOS digital controlled oscillator with embedded DiCAD resonator for 58-64ghz linear frequency tuning and low phase noise

Tim LaRocca, Jenny Liu, Frank Wang, Dave Murphy and Frank Chang

IEEE MTT-S International Microwave Symposium Digest, pp.685-688

2009

DOI: https://doi.org/10.1109/MWSYM.2009.5165789

Abstract

Digital control

Permittivity

Slow wave structures

Voltage controlled oscillators

A digital controlled artificial dielectric (DiCAD) differential transmission line is embedded in 90nm CMOS to digitally tune a 58-64GHz DCO. DiCAD varies ε _r,eff from 18.8 to 32.5. A shunt open stub DiCAD provides discrete capacitive tuning with 13.1° S11 phase variation. The core oscillator is an inductively loaded differential, cross-coupled NMOS pair. Large nonlinear varactors are avoided, and the phase noise is better than -90dBc/Hz at 1MHz offset. Linear tuning bandwidth of 9.3% with a 61GHz center frequency occupying 0.01mm ² is achieved. Power consumption is 8.52mW with 1.2V. © 2009 IEEE.

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Title: CMOS digital controlled oscillator with embedded DiCAD resonator for 58-64ghz linear frequency tuning and low phase noise
Creators - without role: Tim LaRocca - University of California, Los Angeles
Jenny Liu - University of California, Los Angeles
Frank Wang - Department of Electrical Engineering , University of California
Dave Murphy - Department of Electrical Engineering , University of California
Frank Chang - Department of Electrical Engineering , University of California
Publication Details: IEEE MTT-S International Microwave Symposium Digest, pp.685-688
Identifiers: 9781424428045; 9957774359306774
Academic Unit: Institute of Electronics Engineering, College of Electrical Engineering and Computer Science, National Tsing Hua University
Language: English
Resource Type: Conference paper

CMOS digital controlled oscillator with embedded DiCAD resonator for 58-64ghz linear frequency tuning and low phase noise

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