There is no high SWR detection or protection in any of the XV transceivers. If operated into a high SWR, yes, high RF voltages will exist in the Low Pass Filter which can easily exceed the voltage rating of the chip capacitors.
73, Don W3FPR On 4/9/2012 4:14 AM, Samir Popaja wrote: > Hello, > > I just wondering if the XV144 has some kind of protection against high SWR? > > I have burned C44 in XV144, twice in very short period. First time when I > using > XV144 to tune input circuit of my amplifier, and second time I forgot to > switch > input relays when testing and the XV144 was without load for less the 1s, it > was enough to burn C44... > > http://www.sk7mw.se/samir/xv144/xv144_burned_c44.jpg > > Thank you > > Samir, sm7vzx > > ______________________________________________________________ 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

