64 MMIC receivers built for mm-wave imaging have been systematically characterized. Each receiver comprises three InP MMIC low noise amplifiers and a biased Schottky diode detector in a compact package with a horn antenna. The characterization includes spectral response, responsivity and noise. The noise has both white and 1/f components. The average (±standard deviation) receiver bandwidth is 23.8±3GHz, and the overall noise equivalent temperature difference (NETD) in an integration time of 0.2ms, as used in the imager, is 0.66±0.1K.

Date Published: 1 May 2007
PDF: 10 pages
Proc. SPIE 6548, Passive Millimeter-Wave Imaging Technology X, 65480H (1 May 2007); doi: 10.1117/12.723784

Published in SPIE Proceedings Vol. 6548:
Passive Millimeter-Wave Imaging Technology X
Roger Appleby; David A. Wikner, Editor(s)