Tunable ferroelectric capacitor-based voltage-controlled oscillator

被引：0
|
作者：
Jamil, Asad [1 ]
Kalkur, Thottam. S.
Cramer, Nicholas
机构：
[1] Univ Colorado, Dept Elect & Comp Engn, Colorado Springs, CO 80918 USA
[2] Appl Ceram Res, Colorado Springs, CO 80919 USA
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2007年 / 54卷 / 02期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/TUFFC.2007.314503
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Ferro electric capacitors made from Bal(0.5)Sr(0.5)TiO(3) (BST) are applied as varactors in tunable, high-frequency circuit applications. In this context, a voltage-controlled oscillator (VCO) has been designed and implemented using discrete RF bipolar junction transistor (BJTs) and tunable ferroelectric capacitor. The designed VCO has a tuning range from 205 MHz to 216.3 MHz with a power dissipation of 5.1 mW. The measured phase noise is -90 d13c/Hz at 100 kHz and -140 dBc/Hz at I MHz offset.
引用
收藏
页码：222 / 226
页数：5
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