[Elecraft] K3 Power Reading/SWR/ALC Problem

Don Wilhelm donwilh at embarqmail.com
Sun Jan 21 13:17:51 EST 2018


Paul,

I have not looked to be certain, but there is a 90% probability that 
they are SMD.

Contact parts at elecraft.com to obtain the part numbers.  Those are not 
normally Field Replacable parts.

73,
Don W3FPR

On 1/21/2018 11:02 AM, Paul Christensen wrote:
> I have a K3 at a remote site about an hour north of my home so
> unfortunately, I cannot quickly investigate an issue that's recently
> developed.  After reviewing the K3 schematics, the root cause is likely
> isolated to the following parts on the PA board: D36, D37 (BAS70 - Schottky
> directional coupler sampling diodes), and/or U16 (LM358 dual op-amp used as
> a voltage-follower).
> 
> My question:  are these three parts leaded or SMT/SMD?  Perhaps I'm not
> looking hard enough on the Elecraft website 


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