LOW-NOISE TUNED OPTICAL RECEIVERS USING COMMERCIAL 50 OMEGA MODULAR MICROWAVE-AMPLIFIERS

被引：2

作者：

MARIN, M

HEWITT, DF

LEE, PK

TUCKER, RS

机构：

[1] Photonics Research Laboratory, Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville

来源：

ELECTRONICS LETTERS | 1991年 / 27卷 / 15期

关键词：

OPTICAL RECEIVERS; MICROWAVE AMPLIFIERS; NOISE; SUBCARRIER;

D O I：

10.1049/el:19910866

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 noise-reduction technique for low-noise optical receivers using commercial 50-OMEGA modulator microwave amplifiers is presented. The technique is illustrated with the design of a receiver using a high impedance transmission line as an impedance-matching circuit between a pin photodetector and a commercial 50-OMEGA modulator amplifier. A greater than 8 dB noise improvement relative to a 50-OMEGA untuned received over a 0.7 GHz bandwidth, and noise levels approaching those of high performance custom-mode receivers that employ packaged GaAs-FETs/HEMTs are reported.

引用

页码：1378 / 1379

页数：2

共 7 条

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