Phase shifting in a Josephson junction active antenna array

We present a design for an active antenna array employing triangular Josephson junction (JJ) sub-arrays as rf oscillator sources. The sub-arrays are kept in sync by coupling to a closed serpentine discrete JJ ladder. Phase shifts are introduced by adding external magnetic flux into the JJ ladders be...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2001-03, Vol.11 (1), p.459-462
Hauptverfasser:	Yukon, S.P., Lin, F.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Antennas Applied sciences Electronics Equations Exact sciences and technology Inductance Josephson junctions Magnetic flux Oscillators Phase distortion Phased arrays Radiocommunications Radiofrequency integrated circuits Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Superconducting devices Telecommunications Telecommunications and information theory Telephony
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Beschreibung
Zusammenfassung:	We present a design for an active antenna array employing triangular Josephson junction (JJ) sub-arrays as rf oscillator sources. The sub-arrays are kept in sync by coupling to a closed serpentine discrete JJ ladder. Phase shifts are introduced by adding external magnetic flux into the JJ ladders between sub-arrays. Phase shifting distortions are minimized by allowing only two contiguous sub-arrays on any row segment.
ISSN:	1051-8223 1558-2515
DOI:	10.1109/77.919382