gang.... with the higher ac main voltages running now, the output of the hp23 will run close to 900+ volts..
I'd never use one for the drake rigs mike bryce proso...@sssnet.com On Oct 2, 2010, at 11:20 AM, Garey Barrell wrote: > Chris - > > The high voltage from the HP-23 is a little high in voltage and a quite low > in current capability. That said, it would probably 'work' for low duty > cycle use. CW, SSB with 'typical' transmission duration, (no AM style 'old > buzzard',) and no AM. > > HP-23 - 700 VDC @ 250 mA > > TR-3 - 650 VDC @ 300 mA, 500 mA peak. > > So the '23 won't blow up, but it probably gets pretty warm. A fan on it > would help a little. > > Much easier is an AC-3, -OR- and AC-4. Either will work just fine. The > AC-4R is a good idea with either. > > 73, Garey - K4OAH > Glen Allen, VA > > Drake 2-B, 2-C/2-NT, 4-B, C-Line& > TR-4/C Service Supplement CDs > <www.k4oah.com> > > > Christopher Bowne wrote: >> Greetings from Chris, AJ1G in Stonington, CT. >> >> This is my first post to the group. I picked up a TR-3 at Near-Fest >> Deerfield >> last fall. Has been sitting while I come up with a power supply for it. I >> picked up a Heath HP-23.as a potential supply for it this spring. From what >> I >> have read the HP-23 might be marginal with the Drakes due to the higher >> current >> draw of the Drake sweep tubes vs 6146s? I would prefer using an original or >> updated AC-3 if anyone has one available for sale. I would also be >> interested in >> a supply for mobile use, again would like to hear comments on use of the >> lete >> model Heath DC solid state mobile supply for the HW/SB transceivers with the >> TR-3. >> >> Also looking for info on using the TR-3 on AM....' >> >> 73, Chris, AJ1G >> >> >> _______________________________________________ >> Drakelist mailing list >> Drakelist@zerobeat.net >> http://mailman.zerobeat.net/mailman/listinfo/drakelist >> >> > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > _______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
