I just got a comment and so I thought I'd add... Yes I did put in a fuse on the outputs of the K3 switched power box...
~Brett (KC7OTG) On Sat, 2010-03-20 at 02:46 -0700, Brett Howard wrote: > You get to solder something when you install the K144XV... You shimmy a > single pin connector into a tight spot and then go zip tack ok thats > in.... Guess I get to pack up and put the soldering iron away > again.... :) > > I wasn't about to bring the soldering iron out of its storage bin for > one solder joint so I took this opportunity to finish a project I've > been wanting to do... I made a headphone switch. Bought a rotary > switch, a few stereo female headphone jacks and a project box from radio > shack. Now I can switch my paddles between my K1,K3,and K1EL keyer with > the turn of a knob. I can also switch it to 3 yet unused ports... The > only knob they had was a double pole 6 throw switch. So I had to take > advantage of all the throws when I built the box. > > Funny thing was once I was done with that project I came up with another > idea. I figured I should have a way to switch more fun things with my > K3. I want to be able to switch my LP-Pan, LP-100A and my P3 (once its > shipping) all with the power switch on the K3. So anyway I made up > another project box with a single RCA input from the K3 that then > switches a relay to turn on 4 more RCA ports on the top. I even put a > 1.25uH inductor to 1000uF of cap on the input side and then put 1.5uH to > a .1uF cap LC filter to each of the 4 ports. Cause any project worth > doing is worth over doing! ;) I figured that if there was any switching > noise or anything in any of the devices I turned on and off with the > radio that the additional RF filtering on the power would keep my LP-Pan > and P3 displays as noise free as possible. > > I think I may end up slapping together a quick opto-coupler into a cable > as I bought a DB-15HD connector and a DB9 so I could make an FSK cable. > I've never done RTTY that way and I think it could be a fun one. > > After that is all done I'll probably have melted a sufficient amount of > solder to have justified bringing the iron out of its bin. ;) > > ~Brett > > On Fri, 2010-03-19 at 15:10 -0400, [email protected] wrote: > > Don, > > > > If you start on it tonight, you'll be on the air with it tomorrow afternoon. > > > > I did about 3 hours on a Friday night with mine and I got up early on > > Saturday and had it completed in time for a late lunch. > > > > Being a long-time Heathkit guy myself, I think you may find your self > > wondering "when do I get to solder something". > > > > 73, > > > > Bob W5OV > > > > > > > > > My new K3, #4076, arrived this morning and is inventoried. I was > > > pleasantly > > > surprised, it has the new firmware just announced already installed!!!!!!! > > > Everything looks to be of exceptionally high quality, and I am overjoyed > > > at > > > the prospect of a kit build after all these years. My last large endeavor > > > was a Heathkit SB303/401 pair with accessories in 1972, so that's a long > > > dry > > > spell, hi. Wish me luck and hope to have it on the air in a few > > > days!!!!!!! > > > 73, > > > Don, WB5HAK > > > > > > ______________________________________________________________ > > > Elecraft mailing list > > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > > Help: http://mailman.qth.net/mmfaq.htm > > > Post: mailto:[email protected] > > > > > > This list hosted by: http://www.qsl.net > > > Please help support this email list: http://www.qsl.net/donate.html > > > > > > > > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
