> Next, I went to local hobby shop and bought some tin. I made little tin > "houses" which I placed around the matching toroids, ground them carefully. > It > worked too. Next I added a little tin "fence" which went on the bottom the > board, shielding the input of the filter from the output. It worked. Three > times is a charm! > My point: it ain't rocket science, but the old ideas of keeping RF away > from places where it shouldn't be work just as well as they ever did. > I don't have means of measuring this stuff accurately. Let's just say that > when tuning across really loud forty meter broadcast stations the filter > sounds A LOT tighter then it did. > Has anybody else tried this stuff. There must be hundreds of you old guys > who have messed with such things. > So, until Elecraft finds a way to put a bulletproof 8 pole filter in its > magnificent radio it's time to improvise a little. > 73, > Merlin W3ICT > _______________________________________________ > 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
Hi Merlin, I would like to try your approach, Any chance of a photograph, to show how you have positioned the shielding ? 73 Stewart G3RXQ _______________________________________________ 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
