MMIC FAMILY FOR DBS DOWN-CONVERTER WITH PULSE-DOPED GAAS-MESFETS

被引：4
作者：
SHIGA, N
SEKIGUCHI, T
NAKAJIMA, S
OTOBE, K
KUWATA, N
MATSUZAKI, K
HAYASHI, H
机构：
[1] Optoelectronics Research and Development Laboratories, Sumitomo Electric Industries, Ltd., Sakae-ku, Yokohama 244, 1, Taya-cho
来源：
IEEE JOURNAL OF SOLID-STATE CIRCUITS | 1992年 / 27卷 / 10期
关键词：
D O I：
10.1109/4.156445
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 monolithic microwave integrated circuit (MMIC) family was demonstrated as a low-noise block down-converter (LNB) for use in direct broadcast satellite (DBS) receivers operating from 11.7 to 12 GHz. A 12-GHz low-noise amplifier (LNA), a 12-GHz mixer (MIX), a 10.7-GHz dielectric resonator oscillator (DRO), and a 1-GHz IF amplifier (IFA) were designed with GaAs MMIC technology. This is the first report of MMIC's for an LNB with pulse-doped GaAs MESFET's as the active elements. These MMIC chips were designed to form a complete LNB function with the exception of the dielectric resonator. The most significant result of this work is that practical low-noise performance can now be achieved without the use of high electron mobility transistors (HEMT's) in a preceding stage of the MMIC LNB. Almost noise-free satellite broadcast TV pictures were seen by using a parabolic antenna, 40 cm in diameter, without needing any additional circuit adjustment.
引用
收藏
页码：1413 / 1420
页数：8
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