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Title: 324GHz CMOS VCO using linear superimposition technique
Authors: Daquan, Huang
LaRocca, Tim R.
Samoska, Lorene A
Fung, Andy
Chang, Frank
Keywords: submillimeter wave
Complementary Metal Oxide Semiconductor (CMOS)
voltage controlled oscillators (VCO)
Issue Date: 8-Feb-2007
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2007.
Citation: International Solid State Circuits Conference, San Francisco, California, February 8, 2007.
Abstract: Terahertz (frequencies ranged from 300GHz to 3THz) imaging and spectroscopic systems have drawn increasing attention recently due to their unique capabilities in detecting and possibly analyzing concealed objects. The generation of terahertz signals is nonetheless nontrivial and traditionally accomplished by using either free-electron radiation, optical lasers, Gunn diodes or fundamental oscillation by using III-V based HBT/HEMT technology[1-3]... We have substantially extended the operation range of deep-scaled CMOS by using a linear superimposition method, in which we have realized a 324GHz VCO in 90nm digital CMOS with 4GHz tuning range under 1V supply voltage. This may also pave the way for ultra-high data rate wireless communications beyond that of IEEE 802.15.3c and reach data rates comparable to that of fiber optical communications, such as OC768 (40Gbps) and beyond.
Appears in Collections:JPL TRS 1992+

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