Easily adjustable FBAR filter circuit

被引：4
|
作者：
Uzunov, I. S. [1 ]
Bradvarov, R. M. [2 ]
Statev, P. B. [2 ]
Boyanov, B. D. [2 ]
机构：
[1] Tech Univ Sofia, Dept Commun Networks, Sofia 1000, Bulgaria
[2] Smartcom Bulgaria AD, BIC IZOT, Sofia 1784, Bulgaria
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 09期
关键词：
Amplifiers (electronic) - Light amplifiers - Acoustic impedance - Acoustic surface wave filters - Acoustic resonators - Timing circuits;
D O I：
10.1049/el.2010.0308
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 filter circuit employing film bulk acoustic resonators (FBAR) or other types of piezoelectric resonators is proposed. It consists of two FBARs and two amplifiers, and is equivalent to a lattice FBAR filter. The basic advantage of the new circuit is its easy tuning by using the amplifier output impedances and/or extra resistors.
引用
收藏
页码：657 / U81
页数：2
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