On Feb 17, 2009, at 1:00 PM, Geoffrey Mackenzie-Kennedy wrote: > > Not to forget what has becoime known as the Holy Grail of receivers, a > superhet using a good H-Mode mixer, beefy roofing filter and bullet > proof > IF, for an in- passband dynamic range >115 db. SDR should get there > soon I > expect. > > 73, > Geoff > GM4ESD
Talk to Tom Rauch (W8JI) about his "heavily modified" R-4C. 2Khz IMDR of 118dB, 2Khz BDR of 127dB. Too bad you can't buy one of these off the shelf :-) Maybe SDR is still just playing catch up (?) ... :-) Grant/NQ5T ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
