Bill I can't recall seeing that figure published before; where would I look for that figure?
David G3UNA > snip > The purpose of the roofing filter is mainly to reduce strong (approximately > S9+30) signals from over-driving the ADC in the DSP. If they do that, then > the DSP determines the final selectivity over its ~100 dB dynamic range. > > 73, Bill > -- ----------------------------------------- Email sent from www.virginmedia.com/email Virus-checked using McAfee(R) Software and scanned for spam _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com