Re: [Elecraft] XV432 Oscillates with Amp connected - FIXED

2011-05-17 Thread Ian White GM3SEK
Stu2 wrote: 1) Make sure the paint on the inside of the case was removed in the appropriate spots (connectors, joints, etc.) A stainless steel scratch pen is your best friend - USA:http://www.cooltools.us/Scratch-Brush-Pen-Style-Steel-p/brn-209.htm UK:

Re: [Elecraft] XV432 Oscillates with Amp connected - FIXED

2011-05-16 Thread Stu2
Well - probably not fixed, but I was able to find a workaround. If you haven't been following this thread, the basic issue is that the PA on my XV432 self oscillates. Thanks to everybody on the list, including Gary from Elecraft, I had several different things to try. 1) Make sure the paint on

Re: [Elecraft] XV432 Oscillates with Amp connected - FIXED

2011-05-16 Thread Don Wilhelm
Stu, Since the length of the coax changes things, I would suggest putting the matching circuit at the Amp end of the cable rather than the XV432. The cable length should not matter if it is matched at the amplifier end, but since the length does change things, it is apparent to me that the