Noise characteristics of an oscillator with a barium strontium titanate (BST) varactor

被引：9
|
作者：
Victor, A [1 ]
Nath, J
Ghosh, D
Boyette, B
Maria, JP
Steer, MB
Kingon, AI
Stauf, GT
机构：
[1] N Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27612 USA
[2] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27612 USA
[3] ATMI, Danbury, CT 06810 USA
来源：
IEE PROCEEDINGS-MICROWAVES ANTENNAS AND PROPAGATION | 2006年 / 153卷 / 01期
关键词：
D O I：
10.1049/ip-map:20050068
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 phase noise of an oscillator with a thin-film barium strontium titanate (BST) capacitive tuning element, or vat-actor, is characterised and benchmarked against the same oscillator with a silicon semiconductor junction varactor. Phase noise tracks closely with varactor Q within a specific voltage range as expected. Compared to the semiconductor varactor-based oscillator, the BST-based oscillator demonstrates reduced phase noise degradation near zero volts, but greater phase noise degradation when operated near breakdown.
引用
收藏
页码：96 / 102
页数：7
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