tag:blogger.com,1999:blog-9071048343455395511.post3483801482468912233..comments2024-03-24T22:03:31.205+00:00Comments on Roger G3XBM's (Mainly) Amateur Radio Blog: Simple 28MHz WSPR (or PSK31) RXRoger G3XBMhttp://www.blogger.com/profile/13673890140751539870noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-9071048343455395511.post-81063301497298910142015-09-11T20:27:37.582+01:002015-09-11T20:27:37.582+01:00I like the subharmonic (Polyakov) mixer - simple i...I like the subharmonic (Polyakov) mixer - simple in use, as long as you set the oscillator amplitude correctly. No square waves, or it will not work.<br /><br />Has been used with a 5.0688 Xtal oscillator for receiving QRSS on 10.140 MHz.<br /><br />When I get my shack in order I am thinking of using this for a multi band QRSS receiver.<br />73 de JanJan, OZ9QVhttps://www.blogger.com/profile/03992431305032081854noreply@blogger.com