Abstract
A 4-GHz balanced Schottky barrier diode mixer-preamp was designed and fabricated on ceramic substrate and epoxy glass board using both thin-film and printed-circuit technologies. The elements were integrally assembled in a common housing resulting in a compact low-cost receiver with operating characteristics designed to meet the requirements of long-haul high-density transmission systems. A single-sideband noise figure of 6.5 dB was obtained.
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