The heat is NOT quite generated from the 3 x 160 ohms attenuation resistors.
It does come from the heat dissipation from the RF power module RA30H1317M when operating under Elecraft published specifications i.e. 20w SSB/CW or 10w continous carrier modes e.g. FM. 73 Johnny Siu VR2XMC ----- 郵件原件 ---- 寄件人﹕ Radio Amateur N5GE <[email protected]> 收件人﹕ Elecraft Reflector <[email protected]> 傳送日期﹕ 2009/12/13 (日) 2:31:22 PM 主題： Re: [Elecraft] XV50, XV144, XV222 Assembly Manual On Sat, 12 Dec 2009 22:39:28 +0100, Giulio Pico - IW3HVB <[email protected]> wrote: I guess my XV144 doesn't get hot because I drive it with 1mw. There are holes in it above the attenuation resistors. 73, Tom, N5GE [email protected] K3 #806 with SUB RX, K3 #1055, PR6, XV144, XV432, KRC2, W1, 2 W2's and other small kits 1 K144XV on order http://www.n5ge.com http://www.swotrc.net >I'm not so sure about this, at least for the holes. >My old XV144 have them since it came out of the factory..., >Maybe it is a simple packing mistake. >Try ask to elecraft support, maybe they can clear it out. > >73 de Giulio IW3HVB >> No need to drill the holes or get a fan for any of the other XV >> Models. They don't get hot like the XV432 does. Yahoo!香港提供網上安全攻略，教你如何防範黑客! 請前往 http://hk.promo.yahoo.com/security/ 了解更多! ______________________________________________________________ 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
