BROAD-BAND GAAS-FET OPTICAL FRONT-END CIRCUIT UP TO 5.6 GHZ

被引:9
|
作者
OHKAWA, N
YAMADA, J
HAGIMOTO, K
机构
[1] NTT, Yokosuka, Jpn, NTT, Yokosuka, Jpn
关键词
OPTOELECTRONIC DEVICES - SEMICONDUCTING GALLIUM ARSENIDE;
D O I
10.1049/el:19860178
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
Design and performance of transimpedance preamplifiers for multi-gigabit/s optical repeaters are reported using 0. 3 mu m gate length GaAs FETs and a Ge-APD with a sensitive area of 30 mu m diam. Through reduction of parasitic inductance and stray capacitance in chip assembly, a 3 db down bandwidth of 8. 2 GHz is achieved without a Ge-APD. A 3 db down bandwidth of 5. 6 GHz and good pulse response to 6. 5 Gbit/s RZ pattern optical signals are achieved in an optical front-end circuit with a Ge-APD.
引用
收藏
页码:259 / 261
页数:3
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