Stripline microwave phase shifter on tunable substrate

Vijay K. Varadan; Vasundara V. Varadan; K. A. Jose; Ronald G. Hughes

doi:10.1117/12.210465

26 May 1995 Stripline microwave phase shifter on tunable substrate

Vijay K. Varadan, Vasundara V. Varadan, K. A. Jose, Ronald G. Hughes

Proceedings Volume 2448, Smart Structures and Materials 1995: Smart Electronics; (1995) https://doi.org/10.1117/12.210465
Event: Smart Structures and Materials '95, 1995, San Diego, CA, United States

Abstract

Phase shifters are performing very important role in the performance of electronically steerable phased arrays. In this paper we have demonstrated the performance of microstrip line and planar phase shifters on (Ba-Sr)TiO₃ (BST) substrate. It requires very low drive power and has low production cost. Because of the large tunability of the dielectric constant of the BST materials with the dc bias voltage, these materials are suitable for the electronically steerable antenna applications. The performance of the filter phase shifter and microstrip line phase shifter are evaluated and it is observed that the filter phase shifter shows better performance compared to the microstrip line phase shifter.

Citation Download Citation

Vijay K. Varadan, Vasundara V. Varadan, K. A. Jose, and Ronald G. Hughes "Stripline microwave phase shifter on tunable substrate", Proc. SPIE 2448, Smart Structures and Materials 1995: Smart Electronics, (26 May 1995); https://doi.org/10.1117/12.210465

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