Flicker noise reduction using GaAs microwave feedforward amplifiers

被引：7
|
作者：
Broomfield, CD [1 ]
Everard, JKA [1 ]
机构：
[1] Univ York, York YO1 5DD, N Yorkshire, England
来源：
PROCEEDINGS OF THE 2000 IEEE/EIA INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM & EXHIBITION | 2000年
关键词：
D O I：
10.1109/FREQ.2000.887411
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 analysis and design of a microwave feedforward power amplifier optimised for maximum close to carrier flicker noise suppression. Three amplifier topologies are analysed with respect to system noise figure and ease of production. Potential problems affecting error signal cancellation are highlighted and discussed. A feedforward 1 Watt power amplifier offering 20dB flicker noise power reduction over 1-30kHz offset from a 7.7GHz carrier has been produced.
引用
收藏
页码：525 / 530
页数：4
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