I think the same answer applies as to the earlier thread about running 100W on digital modes using a K3. With PSK31 the IMD products will be too high running the K2/10 at 10W, though to be fair, having done the comparison, my own K2/10 is cleaner at 10W than my K3 is at the same power level and is probably within the bounds of acceptability.
Olivia, MFSK and RTTY should be OK at 10W as they are FSK mode (though Olivia has been all but killed off over here by the selfish hordes running the 2.2kHz wide ROS mode above 14.100.) But the K2/10 was not designed for extended key-down operation. As the heat sink for the 10W PA is the bottom of the case there isn't much scope for doing what you suggest unless you want the K2 to sit on a heat sink. But you should also look at the driver stage which is not heat sinked at all. I found that ran hotter than the PA so I fitted a small heat sink to it internally. I do run my K2 at 10W in digital modes but only for APRS packet where the transmissions a maximum of a few seconds. Julian, G4ILO Owen B. Mehegan wrote: > > At the moment I mostly use my K2 (no KPA100) for data modes - PSK31 > and Olivia. I've read that it's recommended you keep the power to 5 > watts for these modes due to the high duty cycle, so I've been doing > that. But there are times when I hear faraway stations but they don't > hear me. Maybe it would be futile, but the temptation to turn up the > power to try and make contact is always there. > > Neither antenna improvements nor any sort of amp are in my immediate > future, but I was thinking today... if cooling the finals is the main > concern, has anyone tried modding their K2 to include a more beefy > heatsink and a small fan? Just wondering if the idea even makes any > sense... > > ----- Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-active-cooling-for-data-modes-tp5987731p5988112.html Sent from the [K2] mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
