I got following data with IFR AM/FM 1600: K3 sn1302 POWER SET(W) POWER OUT（W) Difference ERR(%) 0 0.15 0.15 0.1 0.15 0.05 50.00% 0.2 0.3 0.1 50.00% 0.3 0.31 0.01 3.33% 0.4 0.4 0 0.00% 0.5 0.51 0.01 2.00% 0.6 0.63 0.03 5.00% 0.7 0.69 -0.01 -1.43% 0.8 0.76 -0.04 -5.00% 0.9 0.83 -0.07 -7.78% 1 1 0 0.00% 2 2.1 0.1 5.00% 3 3.2 0.2 6.67% 4 4.2 0.2 5.00% 5 5 0 0.00% 6 5.8 -0.2 -3.33% 7 6.6 -0.4 -5.71% 8 7.7 -0.3 -3.75% 9 8.8 -0.2 -2.22% 10 9.7 -0.3 -3.00% 12 11.4 -0.6 -5.00% 14 15.8 1.8 12.86% 16 17.5 1.5 9.38% 18 19.7 1.7 9.44% 20 21.8 1.8 9.00% 22 24 2 9.09% 24 25.5 1.5 6.25% 26 27.7 1.7 6.54% 28 29.3 1.3 4.64% 30 30.8 0.8 2.67% 32 33.3 1.3 4.06% 34 35.1 1.1 3.24% 36 37 1 2.78% 38 38.9 0.9 2.37% 40 40.5 0.5 1.25% 42 42 0 0.00% 44 44 0 0.00% 46 46 0 0.00% 48 48 0 0.00% 50 50.5 0.5 1.00% 55 54 -1 -1.82% 60 59 -1 -1.67% 65 63 -2 -3.08%
sorry, no over 65w data because no bigger PS in lab. All the best! David BA4RF On Sun, Dec 21, 2008 at 1:03 PM, Gary Smith <g...@doctorgary.net> wrote: > Firstly > > Got the K3 assembled. The transverter board was back ordered and so > is the subreceiver so I will be re entering the K3 and adding to it > at least twice over the next few months. I'm not looking forward to > the disassembly & re-assembly but doing the kit sure gave me a great > appreciation for the detail and function this marvelous radio has. > Absolutely amazing. > > Kudos Wane & Eric, you surely have an amazing way of looking at > things. Most effective and clear. > > With that there are a few questions but in the spirit of one at a > time; > > The power supply I have been using in the setup is a Heathkit Power > supply which was made for one of their last Transceivers. It's a HP- > 1144 and offers 20 Amps out. > > After calibrating the K3 I tried getting 120 watts out to the dummy > load but after the 50 watt calibration, when I held tune down to see > how it read. I only got 102-105W out, not 120, though I set he power > out at 120W. I'm wondering if the Heath power supply is lacking and > that's the reason for the lower maximum output? It seemed to work > well as a backup for the Omni V & corsair. > > Idears? > > Thanks > Gary > (One year older as of yesterday...) > _______________________________________________ > 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 >
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