PowerSDR / IF Stage FT-1000D Posted by Geir on February 12, 2012 Posted in: Projects, SDR. Tagged: FT-1000D, LA6NCA, powersdr, QSD, SDR, Tayloe detector. 2 comments I’v just tested a new Tayloe Quadrature Product Detector and Preamp made by LA6NCA Helge. As the video show. I have down converted the 1st IF from the FT-1000d to somewhere around 460KHz and fed the signal to the product detector.