Thanks Arie.
寄件人︰ Arie Kleingeld PA3A
收件人︰ elecraft@mailman.qth.net; Johnny Siu
傳送日期︰ 2015年06月10日 (週三) 3:54 PM
主題︰ Re: [Elecraft] KPA-500 modifications
Johnny,
I have done that mod.
Reason was that my KPA500 had high SWR at the input and barely any gain.
Tracked the problem down
Johnny,
I have done that mod.
Reason was that my KPA500 had high SWR at the input and barely any gain.
Tracked the problem down to the TR circuit. One of the switching Fet's
(that switch the TR PIN-diodes) had died.
It proved to be an error that happened before, because for a lousy 12
bucks I
Does anyone have the any idea about the 'Factory upgraded w/ T/R circuit plus
12-meter low pass filter mod' mentioned in the advert. below?
73
Johnny VR2XMC
寄件人︰ H. Cary
收件人︰ elecraft@mailman.qth.net
傳送日期︰ 2015年06月10日 (週三) 4:15 AM
主題︰ [Elecraft] KPA-500 FOR SALE
For Sale: Elecraft
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