Low Cost S-Band Phase Modulator for Modern TTC Application

被引：0
|
作者：
Hidalgo Garcia, Carlos [1 ]
Herrera Guardado, Amparo [1 ]
Cabo Freixedas, Javier [2 ]
机构：
[1] UNICAN, DICOM, Santander, Spain
[2] Thales Alenia Space Spain, Tres Canto, Spain
来源：
2018 48TH EUROPEAN MICROWAVE CONFERENCE (EUMC) | 2018年
关键词：
Phase modulation; varactors; hybrid integrated circuits; couplers;
D O I：
暂无
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：
This paper describes the design, simulation and practical results of a phase modulator based in an hybrid coupler and two varactor diodes in the band from 2.0 GHz to 3.0 GHz for TTC proposes. A minimum modulation index of 1.22 was obtained at the highest frequency to 1.57 at the lowest. This modulator consist of a two stages hybrid coupler with varactor diodes. Simulation is performed using ADS 2016.01. Even both varactor diodes are feed by the same modulation signal, each of them has his own voltage input for correct varactor impairments. In the measures, excellent isolation is achieved for the 1st and 4th port of the ring.
引用
收藏
页码：655 / 658
页数：4
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