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THz local oscillator technology

Show simple item record Mehdi, Imran 2008-04-23T19:24:07Z 2008-04-23T19:24:07Z 2004-06-21
dc.identifier.citation SPIE Conference on Astronomical Telescopes and Instrumentation, June 21-23, 2004. en_US
dc.identifier.clearanceno 04-1723
dc.description.abstract The last decade has seen a number of technological advancements that have now made it possible to implement fully solid state local oscillator chains up to 2 THz. These chains are composed of cascaded planar multiplier stages that are pumped with W-band high power sources. The high power W-band sources are achieved by power combining MMIC amplifiers and can provide in access of 150 mW with about 10% bandwidth. Planar diode technology has also enabled novel circuit topologies that can take advantage of the high input power and demonstrate significant efficiencies well into the THz range. Cascaded chains to 1.9 THz have now been demonstrated with enough output power to successfully pump hot-electron bolometer mixers in this frequency range. An overview of the current State-of-the-Art of the local oscillator technology will be presented along with highlighting future trends and challenges. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2004. en_US
dc.subject local oscillators (LO) sources en_US
dc.subject multipliers en_US
dc.subject Thz technology en_US
dc.title THz local oscillator technology en_US
dc.type Preprint en_US

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