I agree a bandpass filter makes sense for just 472-479 kHz. My low-pass filter was intended for receiving the entire LF range.
Carol, KP4MD/W6 On Tue, Feb 21, 2012 at 8:25 AM, Brian Lloyd <brian-wb6...@lloyd.com> wrote: > > > On Mon, Feb 20, 2012 at 10:56 AM, Carol F. Milazzo, KP4MD/W6 < > kp...@cfmilazzo.com> wrote: > >> Here is a description of a simple low pass filter with a 510 kHz cutoff >> frequency I built for my FLEX-3000 http://www.qsl.net/kp4md/lpfilter.htm > > > I still think that a tunable preselector makes more sense than a low-pass > filter. The band is so narrow that a couple of relatively high-Q LC > networks ganged together would do a better job of rejecting cruft both > above and below this band. > > -- > Brian Lloyd, WB6RQN/J79BPL > 3191 Western Dr. > Cameron Park, CA 95682 > br...@lloyd.com > +1.767.617.1365 (Dominica) > +1.916.877.5067 (USA) > _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/
