Ring-coupled-oscillator sequentially rotated active antenna

Authors
Yang, SD Fusco, VF Humphrey, DEJ
Citation
Sd. Yang et al., Ring-coupled-oscillator sequentially rotated active antenna, IEEE MICR T, 49(8), 2001, pp. 1492-1497
Citations number
17
Categorie Soggetti
Eletrical & Eletronics Engineeing
Journal title
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
ISSN journal
00189480 → ACNP
Volume
49
Issue
8
Year of publication
2001
Pages
1492 - 1497
Database
ISI
SICI code
0018-9480(200108)49:8<1492:RSRAA>2.0.ZU;2-0
Abstract
In this paper, an active four-element patch antenna, backed by four GaAs mo nolithic-microwave integrated-circuit (MMC) 4.4-GHz oscillators, self-locke d by mutual coupling through a lumped capacitive ring NMC network, has been designed, fabricated, and tested. The sequentially rotated arrangement giv en here when augmented with a lumped capacitive coupling network suggests t hat in-phase oscillator entrainment is guaranteed so that spatial power com bination by the antenna array occurs with circular polarization characteris tics.