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A LINC demonstrator based on switchable phase shifters
Author(s) -
Tan Jee Seet,
Gardner Peter
Publication year - 2002
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.10577
Subject(s) - microwave , transmitter , qam , quadrature amplitude modulation , engineering , electronic engineering , electrical engineering , modulation (music) , physics , computer science , optoelectronics , telecommunications , acoustics , channel (broadcasting) , bit error rate
Abstract This paper presents a 2 GHz LINC transmitter demonstrator that generates a 16‐QAM (Quadrature Amplitude Modulation) signal using switchable phase shifters fabricated on a low cost substrate (FR4, 1.6 mm, ε r = 4.6). The number of switch elements required has been reduced from 16 per branch to 6 per branch by a careful analysis of the complete set of combinations required. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 35: 262–264, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10577