Microwave properties of (Ba,Sr)TiO3 ceramic films and phase-shifters on their base

被引：0
|
作者：
Kozyrev, A
Keis, V
Osadchy, V
Pavlov, A
Buslov, O
Sengupta, L
机构：
[1] Electrotech Univ, St Petersburg 197376, Russia
[2] Paratek Microwave Inc, Columbia, MD 21045 USA
来源：
INTEGRATED FERROELECTRICS | 2001年 / 34卷 / 1-4期
关键词：
ferroelectric film; microwave; phase-shifter;
D O I：
暂无
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：
The small signal dielectric properties (epsilon, tan delta) of ceramic (Ba,Sr)TiO3 (BSTO) films in the frequency range (1-30) GHz we're under investigation. The Q-factor and tunability were measured for planar BSTO ceramic varactors and are presented in comparison with similar parameters for semiconductor varactors. To illustrate the possibility of the use of BSTO ceramic films at 30 GHz, a phase shifter based on grounded coplanar waveguide (CWG) has been designed and experimentally tested. The device demonstrated phase shift up to Delta phi = 370 degrees under the bias voltage (0-350) V and insertion loss L = (4-6) dB in all range of bias voltages.
引用
收藏
页码：1629 / 1635
页数：7
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