RF and microwave high-Q floating active inductor design and implementation

被引:30
作者
Branchi, P. [1 ]
Pantoli, L. [2 ]
Stornelli, V. [2 ]
Leuzzi, G. [2 ]
机构
[1] Altran Italia SpA, I-00131 Rome, Italy
[2] Univ Aquila, Dept Ind & Informat Engn & Econ, I-67040 Laquila, Italy
关键词
floating active inductor; active filter; high dynamic range; gyrator; BANDPASS FILTER;
D O I
10.1002/cta.1991
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
In this paper, a high-Q floating active inductor (FAI), suitable for RF and microwave applications, is presented. The proposed FAI is based on two cascaded pairs of highly linear capacitance gyrators, which provide a symmetric and reciprocal structure. The proposed FAI shows fully symmetrical two-port characteristics, high quality factor and high linearity. As a feasibility demonstration, a prototype of the designed FAI has been fabricated, together with an LC series band-pass filter. At the operating frequency, the real part of the impedance of the equivalent FAI is very low (Req=0.0039 Omega), providing a very high quality factor. The filter has a central frequency of 430MHz and a -3dB bandwidth of about 9MHz. Copyright (c) 2014 John Wiley & Sons, Ltd.
引用
收藏
页码:1095 / 1104
页数:10
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