A 75 GHZ TO 115 GHZ QUASI-OPTICAL AMPLIFIER

被引：5
|
作者：
BUDKA, TP [1 ]
TRIPPE, MW [1 ]
WEINREB, S [1 ]
REBEIZ, GM [1 ]
机构：
[1] MARTIN MARIETTA CORP,BALTIMORE,MD 21227
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1994年 / 42卷 / 05期
关键词：
Design - Fabrication - Gain control - Optical devices;
D O I：
10.1109/22.293546
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 wideband quasi-optical amplifier employing two pyramidal back-to-back horns has been developed. Using a four-stage W-band low noise amplifier (LNA) designed and fabricated by Martin Marietta Laboratories, the quasi-optical amplifier gives a system gain greater than 11 dB from 86 GHz to 113 GHz without any low frequency oscillations. A peak system gain of 15.5 dB is measured at 102 GHz, and the measured noise figure of the system is 7.4 dB at 94 GHz. The quasi-optical amplifier design maintains the same polarization of the received and transmitted signal, provides better than -40 dB isolation, and can be fabricated monolithically at millimeter-wave frequencies.
引用
收藏
页码：899 / 901
页数：3
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