Monolithic Ka-band phase shifter using voltage tunable BaSrTiO3 parallel plate capacitors

被引：142

作者：

Erker, EG ^{[1
]}

Nagara, AS

Liu, Y

Periaswamy, P

Taylor, TR

Speck, J

York, RA

机构：

[1] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

来源：

IEEE MICROWAVE AND GUIDED WAVE LETTERS | 2000年 / 10卷 / 01期

关键词：

coplanar waveguides; delay lines; ferroelectric capacitors; ferroelectric films; millimeter-wave phase shifters; MIMIC's; varactors;

D O I：

10.1109/75.842071

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A moncllithic Ka-band phase shifter circuit that employs voltage tunable BaSrTiO3 (BST) parallel plate capacitors is presented here. The circuit is capable of continuous 0 degrees-157 degrees phase shift at 30 GHz with an insertion loss of only 5.8 dB and return loss better than 12 dB. In addition to promising loss performance (27.1 degrees/dB) at 30 GHz, the circuit reported here has several advantages over previously reported BST phase shifters such as moderate control voltages (20 V), room temperature operation, and compatibility with monolithic fabrication techniques.

引用

页码：10 / 12

页数：3

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