15 element imaging binary array for 100 GHz

N. R. Erickson*, P. F. Goldsmith, C. R. Predmore, G. A. Novak, P. J. Viscuso

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A focal plane imaging array receiver which covers the 90-115-GHz range for radio astronomical observations is described. The 3 × 5 array uses cryogenic Schottky diode mixers with integrated HEMT (high-electron mobility transistor) IF amplifiers. A cold, quasioptical filter selects the correct sideband, and terminates the image at 20 K. Polarization interleaving is used to minimize the array size on the sky. The array operates single sideband, with fixed tuned mixers. This is the first fully integrated millimeter-wave array receiver and also the first millimeter receiver to make extensive use of cooled optics.

Original languageEnglish (US)
JournalIEEE MTT-S International Microwave Symposium Digest
Volume2
StatePublished - Jan 1 1990

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

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