A 15 ELEMENT FOCAL PLANE ARRAY FOR 100 GHZ

被引：79

作者：

ERICKSON, NR ^{[1
]}

GOLDSMITH, PF ^{[1
]}

NOVAK, G ^{[1
]}

GROSSLEIN, RM ^{[1
]}

VISCUSO, PJ ^{[1
]}

ERICKSON, RB ^{[1
]}

PREDMORE, CR ^{[1
]}

机构：

[1] CORNELL NATL SUPERCOMP FACIL,ITHACA,NY 14853

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1992年 / 40卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/22.108317

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 focal plane imaging array receiver is described which covers the 86-115 GHz frequency range for radio astronomical observations. The 3 x 5 element array uses cryogenic Schottky diode mixers with integrated HEMT IF amplifiers. A cold quasi-optical filter selects the desired sideband, and terminates the image at 20 K. Polarization interleaving is used to minimize the array size on the sky. LO power is provided by a frequency tripled YIG tuned oscillator. The average receiver noise temperature of the array pixels varies from 250-350 K SSB depending on the frequency. Only three mechanical tuners are used in the system and all functions are under computer control.

引用

页码：1 / 11

页数：11

共 13 条

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