I haven't seen any of the problems you suggest nor would I expect them. The circuits are digitally controlled with feedback and temperature monitoring. This is not your grandfather's open loop analog rig.
de Fred, AE6QL -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of John Sent: Monday, May 30, 2011 3:11 PM To: [email protected] Subject: [Elecraft] Thermal Stress in K2, K3 and I guess KX3 All, Has anyone seen any degradation or temporary non-operation in the QRP versions of the K2 or K3 while operating in hot conditions? Symptoms might include: - gradual loss in output power - gradual increase in output power - controls stop working due to some processor lockup - unexpected receiver bandwidth changes - frequency drift (although what doesn't drift a little) - any other change that returns to normal upon return to normal temps This question works the other way too. Has anyone seen the above during very cold operation? As for the KX3, has the thermal analysis highlighted any stress point(s)? Thanks. John, kx4o ______________________________________________________________ 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

