We have developed amplifier based receivers using Indium Phosphide high electron mobility transistor (HEMT) monolithic microwave integrated circuit (MMIC) technology. These compact receivers are designed with atmospheric temperature and humidity sounding requirements in mind, operating at 100-125 GHz around the 118 GHz oxygen line, and at 160-185GHz near the 183 GHz water line, with average noise temperatures of 1600 and 1200K respectively. They are intended for applications where small volume and power consumption are critical. We will present laboratory data on the noise temperature of these receivers operated at room temperature and preliminary field data.

Date Published: 20 August 2003
PDF: 12 pages
Proc. SPIE 5077, Passive Millimeter-Wave Imaging Technology VI and Radar Sensor Technology VII, (20 August 2003); doi: 10.1117/12.487381

Published in SPIE Proceedings Vol. 5077:
Passive Millimeter-Wave Imaging Technology VI and Radar Sensor Technology VII
Roger Appleby; Robert Trebits; David A. Wikner; James L. Kurtz, Editor(s)