Using a negative capacitance to increase the tuning range of a varactor diode in MMIC technology

被引：34
|
作者：
Kolev, S [1 ]
Delacressonnière, B [1 ]
Gautier, JL [1 ]
机构：
[1] Ecole Natl Elect & Applicat, Equipe Micro Ondes, F-95014 Cergy, France
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2001年 / 49卷 / 12期
关键词：
immitance converter; MMICs; MODFETs; varactors;
D O I：
10.1109/22.971631
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：
An original method to increase the tuning range of a monolithic-microwave integrated-circuit (MMIC) varactor diode is presented in this paper. An active circuit simulating a negative capacitance is connected to the varactor diode. This method allows to increase the varactor's tuning range more than ten times and to compensate its series resistance at the same time. A MMIC simulating a negative capacitance have been successfully fabricated and measured. To the best of the authors' knowledge, this is the first realization of a MMIC simulating a negative capacitance.
引用
收藏
页码：2425 / 2430
页数：6
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