I was afraid of that.... I want the rig to do it all HI!
I can probably do without the FM in this rig then. I am into RTYY, PSK, CW and SSB contesting. Ok I have no life..... Thanks for the insight. Mike On 12/12/07 4:26 PM, "Don Wilhelm" <[EMAIL PROTECTED]> wrote: > Mike, > > To transmit FM you will need the FM filter in the main receiver (it will > also be used for transmit). > I would suggest that you re-examine your filters in the main receiver. > If you will not operate digital modes, you can likely do without the 200 > Hz filter. If the 200 Hz filter must stay, then I would suggest you > eliminate the 1000 Hz filter unless you are a CW contest type that likes > to listen with a wide receiver - during normal operating, your 1.8 kHz > filter in conjunction with the DSP filtering should work just fine. > OTOH, if you do not operate a lot of sideband contests, the 1.8 kHz > filte could go and the 1000 Hz can stay. > > These are only my suggestions, choose your filters to match your > operating preferences. The DSP will handle reduced bandwidths just fine > until an offending S-9 +30 signal appears within the roofing filter > bandpass. That will likely only occur during contests or other times > of intense operating activities. With the 2nd receiver, one could > always put the in-between filter widths there and switch to receiving > with the 2nd receiver when the additional filtering is needed. In other > words, the FM filter, the 2.7kHz, the 1000 Hz, 400 Hz and 200 Hz in the > main receiver and 2.7kHz, 1.8 kHz, 1000, and either 400 or 200 in the > 2nd receiver - or something like those combinations, it is all up to you. > > 73, > Don W3FPR > > Mike Fatchett W0MU wrote: >> I had the impression the 2nd receiver had no filters at all. >> >> I had intended to put in a 2.7k 1000 and 400 filters in the 2nd receiver. >> >> I also wanted to be able to operate FM and was going to put the FM filter in >> the 2nd receiver. Will this work? >> >> The main receiver was going to have the 200, 400, 1000, 1.8 and 2.7 filters. >> >> _______________________________________________ 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
