Multiresolution Channel-Select Filter With Ultrawide Frequency Coverage

被引：1
|
作者：
Koochakzadeh, Masoud [1 ]
Abbaspour-Tamijani, Abbas [1 ]
机构：
[1] Arizona State Univ, Dept Elect Engn, Tempe, AZ 85281 USA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2010年 / 58卷 / 05期
关键词：
Channel-select filter; multiresolution; software-defined radio; tunable filter; TUNABLE FILTERS; BANDPASS; FORMULAS;
D O I：
10.1109/TMTT.2010.2045563
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 multiresolution channel select filter topology is proposed for implementing a digitally-tunable bandpass response with ultra-wideband tuning range. This filter is composed of a chain of bimodal filter stages with self-complementary periodic frequency response. The frequency response behavior of this filter, the effect of parasitics, and the nonlinearities are studied in detail. A fourstage implementation is presented which is based on p-i-n diode switches and covers dc-2.5 GHz in 16 equal bandwidth channels with a maximum insertion loss of 6.7 dB.
引用
收藏
页码：1205 / 1212
页数：8
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