Signal Processing at RF (SPAR)

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Amendment 03: The purpose of this amendment is to delete Attachment 1, “Proposer Checklist,” in its entirety and replace with the version provided in Enclosure 1 attached hereto. Enclosure 2 highlights in yellow the changes made and is provided for information purposes only. Amendment 02: The purpose of this amendment is to update the center frequency metric for both TA1 and TA2. It will now be a proposer defined metric between 0.9 and 1.1 GHz for both TAs. All changes made to the BAA are highlighted in yellow. See the attached DARPA-BAA-16-20 document through Amendment 02. Amendment 01: The purpose of this amendment is to update Table 1, “Technical Area 1 Metrics” on Page 14 and Table 2, “Technical Area 2 Metrics” on Page 16 of the BAA. All changes made to the BAA are highlighted in yellow. See the attached DARPA-BAA-16-20 document through Amendment 01.DARPA seeks to transform radio frequency (RF) systems by developing RF analog signal processing and nonreciprocal technologies that perform unprecedented levels of in-band interference suppression. The Signal Processing at RF (SPAR) technology aims to mitigate both self and externally generated interfering signals of known and unknown characteristics. The goal of SPAR isto demonstrate novel in-band signal interference mitigation technologies using analog signal processing techniques as well as novel chip-scale circulator approaches.

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