MAXIMUM DYNAMIC-RANGE OPERATION OF A MICROWAVE EXTERNAL MODULATION FIBEROPTIC LINK

被引：56

作者：

ACKERMAN, E ^{[1
]}

WANUGA, S ^{[1
]}

KASEMSET, D ^{[1
]}

DARYOUSH, AS ^{[1
]}

SAMANT, NR ^{[1
]}

机构：

[1] DREXEL UNIV,DEPT ELECT & COMP ENGN,PHILADELPHIA,PA 19104

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1993年 / 41卷 / 08期

关键词：

D O I：

10.1109/22.241670

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：

We fully analyze the analog performance of an external modulation fiber-optic link. We express relevant figures of merit-including gain, noise figure, third-order intermodulation distortion, AM compression, and dynamic range-in terms of the microwave scattering matrices of the modulator and detector circuits, and we predict the modulator bias condition promoting optimum link performance. Our predictions match the measured gain, noise figure, and dynamic range of an experimental 870-930 MHz external modulation fiber-optic link. Maximum spurious-free dynamic range-77 dB . MHz2/3 (117 db . Hz2/3)-occurs when the modulator is biased at its halfwave voltage, where the optical throughput is nearly pinched off.

引用

页码：1299 / 1306

页数：8

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