Prj123 10.7MHz IF ADC for BeagleBone Black. It uses the PRU with serial ADC in undersampling application with ceramic filter for narrow band SDR applications. Bill of materials is ~$40 in parts and PCB, $45 BeagleBone Black.
Picture:
Schematic:
SDR Screenshot:
Commercial Broadcast FM Audio Sample:
Single tone input 3.3mVpp, 10.7MHz, maximum gain setting:
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