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Title: Get More from your BC-221 Post by: WA4WAX on October 05, 2015, 05:58:48 PM See page 63.
There is a good YT video on the BC-221. Have fun! http://www.americanradiohistory.com/Archive-Radio-Electronics/60s/1962/Radio-Electronics-1962-08.pdf Matt Title: Re: Get More from your BC-221 Post by: w4bfs on October 06, 2015, 07:50:17 AM Matt, thanks for bringing this one out ... not too much interest in these since cheap freq counters arrived .... always thought one could be integrated into a broadcash tx as a gnarly looking vfo
Title: Re: Get More from your BC-221 Post by: W4EWH on October 06, 2015, 10:00:52 AM Matt, thanks for bringing this one out ... not too much interest in these since cheap freq counters arrived .... always thought one could be integrated into a broadcash tx as a gnarly looking vfo I've got a Lampkin 105-B in my attic somewhere, complete with the computer printout that showed offsets for various temperatures. It would, indeed, make a good VFO: the capacitor is well into "steampunk" territory. W1AC Title: Re: Get More from your BC-221 Post by: KA0HCP on October 06, 2015, 10:09:00 AM See page 63. Don't forget it's an "LM" Frequency Meter to us navy guys, there shipmate! :)There is a good YT video on the BC-221. Have fun! http://www.americanradiohistory.com/Archive-Radio-Electronics/60s/1962/Radio-Electronics-1962-08.pdf Matt Title: Re: Get More from your BC-221 Post by: KB2WIG on October 06, 2015, 11:21:50 AM Anybody got the ac power supply plug??? When I was a little JN, I lusted after one of them things. I've finally got one. I just have to JayEss the connecting cables. This thing would make a nice exciter for 630 meters or higher. klc |