This article is intended as supplemental information to support the feature written by Ward Harriman AE6TY in the Winter 2010 issue of QRP Quarterly.

His design for a self-contained SDR will be carried over 3 issues of QRP Quarterly, the final part being published in the Summer 2010 magazine due to be mailed in July/August 2010.

A subscription form may be found on the home page (currently $20 per year in the USA) together with information regarding the availability of the Winter 2010 QRP Quarterly as a back issue.


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Block Diagram   Schematic 1   Schematic 2   Schematic 3   Schematic 4   Schematic 5   Schematic 6   Schematic 7   Schematic 8   Schematic 9	Express PCB files      SDR.pcb      SDR.sch      QSD.pcb      QSD.sch