NDLI: Test Platform for Millimeter-wave Amplifier Linearity Characterization

Content Provider	IEEE Xplore Digital Library
Author	Vian, J. Bell, P. Wong, K. Murphy, J. Babikyan, A.
Copyright Year	2008
Description	Author affiliation: Lincoln Lab., MIT, Lexington, MA (Vian, J.; Bell, P.; Wong, K.; Murphy, J.; Babikyan, A.)
Abstract	Many existing and proposed military satellite communication waveforms use spectrally confined modulations to increase the number of users that occupy a limited bandwidth. These modulations are non-constant modulus and require linear operation of the transmitters. Linearity requirements necessitate that amplifiers operate well below their saturated output power, which often requires devices larger in size and weight than acceptable for mobile terminals, such as those in vehicles. The Lincoln Laboratory Amplifier Testbed (LLAT) is a measurement platform designed to quantify the effects of amplifiers on spectrally confined waveforms. LLAT is capable of measuring amplifiers at millimeter-wavelengths with saturated output powers ranging from a few Watts to hundreds of Watts. To allow maximum flexibility in modem design, LLAT uses virtual modems running on a multiprocessor grid. The LLAT enables investigation of technology advances that may solve the size, weight and power constraints of small mobile terminals.
Starting Page	1
Ending Page	8
File Size	3020320
Page Count	8
File Format	PDF
ISBN	9781424414871
ISSN	1095323X
DOI	10.1109/AERO.2008.4526357
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-03-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Testing Linearity Power amplifiers Millimeter wave technology Millimeter wave communication Power generation Millimeter wave measurements Modems Military satellites Bandwidth
Content Type	Text
Resource Type	Article
Subject	Aerospace Engineering Space and Planetary Science

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