Abstract
A prototype 3-GHz-bandwidth real-time spectral analysis receiver has been demonstrated by Lincoln Laboratory. This receiver is based on high-T<SUB>c</SUB> tapped-delay-line chirp filters and uses high-speed semiconductor circuits to perform the output processing. The receiver is presently being space-qualified for flight on the Navy's Second High-Temperature Superconductor Space Experiment. This receiver is being developed for near-term use as a cuing receiver to enhance the signal processing capability of existing receivers. Possible applications for the receiver include both electronic warfare and remote sensing. The ability to perform the output processing required by this system is an important issue. This prototype receiver makes use of commercially available semiconductor components. The prospect of using semiconductor circuits presently under development to enhance output processing capability is described. The trade-offs between output processing complexity and the information provided by the receiver also are outlined.
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