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
Carol, KP4MD/W6 _______________________________________________ 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/