Why not an LC filter for AM reception instead of an expensive crystal roofing filter ?
73 Stewart G3RXQ On Mon, 05 May 2008 08:29:29 -0600, KM5Q wrote: > My widest filter is 2.8. I am allowed to widen the DSP to 4. So why > not in AM, for BC receiving, be allowed wide enough for high fidelity, > without a roofing (or xmit) filter? (AM can be widened to "10", but it > sounds narrow and muffled) > > I get much better bandwidth (fidelity) now using SSB to receive AMl, > but it makes noisy band-browsing because of all the heterodyne noise. > > Windy KM5Q K3 764 > >> How can you have an IF bandwidth wider than 6KHz without using a >> filter >> that's wider than 6KHz? >> >> ----- >> Julian, G4ILO K3 s/n: 222 K2 s/n: 392 > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > 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 _______________________________________________ Elecraft mailing list Post to: [email protected] 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
